Cabbage Leaf (Brassica oleracea var. capitata): A Comprehensive Reference
1. Identity, Botanical Classification, and Common Forms
1.1 Botanical and Scientific Identity
Cabbage belongs to the Brassicaceae family, one of the most important horticultural crops in the family, and is formally designated Brassica oleracea L. var. capitata. Belonging to the family Brassicaceae (Burnett) or Cruciferae, it is a widely distributed and cultivated vegetable that originates from the south and western coast of Europe. It is an important vegetable worldwide, growing extensively in more than 90 countries, including the coastal regions of southern and western Europe. The plant produces a tight head of closely layered leaves, from which the familiar vegetable and its medicinal preparations derive.
Principal recognized forms of Brassica oleracea var. capitata include capitata f. alba (white/green cabbage), capitata f. rubra (red/purple cabbage), capitata f. acuta (pointed cabbage), and capitata f. sabauda (Savoy cabbage). Cabbage should not be confused with other varieties of the Brassica oleracea species, including broccoli, broccoli sprout, Brussels sprout, cauliflower, collard, kale, and kohlrabi, which are separate botanical entities.
1.2 Phytochemical Variation by Cultivar
Cabbage form and cultivar significantly affect phytochemical composition: B. oleracea var. capitata f. rubra cultivars are generally great sources of phenolic compounds, especially anthocyanins, whereas capitata f. alba cultivars display the highest concentrations of glucosinolates, though levels are also dependent on the specific cultivar.
In comparative studies of antioxidant content, red heads showed the highest total antioxidant contents, followed by Savoy, Chinese, and green heads.
1.3 Common Preparations and Forms
The leaves of cabbage are used in several distinct ways depending on the intended application:
- Fresh whole leaves (topical): Cabbage leaves have long been used as poultices for application to various areas, including in modern investigation as a means for preventing or treating breast engorgement in nursing mothers.
- Cabbage juice (oral): Early studies recognized the effectiveness of raw cabbage juice in normalizing gastric and intestinal functioning.
- Dried/powdered form: White cabbage (Brassica oleracea var. capitata f. alba) has been processed into cabbage powder (CP) by various dehydration methods including microwave heating, blanching, and alkali or acid washing treatments.
- Fermented (sauerkraut): Polish folk communities, among others, exploit preparations including leaves, stems, seeds, sauerkraut, and sauerkraut juice as natural medicines.
- Ethanolic and aqueous extracts: Scientific investigation has involved polyphenols extracted from Brassica oleracea var. capitata (cabbage) as an ethanolic extract (BOE), characterized using FTIR and HPLC-DAD-ESI MS analysis.
2. Traditional and Historical Use
2.1 Ancient Mediterranean Cultures
Cabbage has been cultivated, and even revered, as a vegetable by the ancient Greeks as far back as 2,600 years ago, and it has had a long history of medicinal use, with scores of references to its use for such diverse purposes as the prevention of drunkenness, headache, stomach ailments, and even cancer.
In the Roman World, cabbage was actively promoted by Cato the Elder (234–149 BCE), who energetically defended the old Roman way of life and traditions by compiling a small manual of agriculture in which he collected Roman traditional practices. Cabbage (Brassica oleracea) has been used medicinally for thousands of years dating back to ancient Greece and Rome, where it was historically used to treat ulcers, wounds, hangovers, digestive disorders, and respiratory ailments.
2.2 Traditional Uses by System and Preparation
Folk medicine practitioners valued cabbage leaves for their anti-inflammatory properties, often applying them externally to reduce swelling and pain. Herbalists and naturopaths have used cabbage for digestive health, particularly for ulcers, gastritis, and acid reflux.
Analysis of the therapeutic use of cabbage in Polish folk medicine, based on historical sources from the first written evidence through the end of the 20th century, shows that raw materials including leaves, stems, sauerkraut, and sauerkraut juice were applied in the treatment of numerous ailments, especially of the digestive tract, skin, burns, frostbites, pain relief, parasites, and gynecological disorders related to childbirth and child feeding. Cabbage pharmacological applications also covered the therapy of tuberculosis, measles, and jaundice.
Ancient Greeks and Romans used cabbage medicinally, as well as the Chinese, who prescribed it for treating ailments such as the common cold, constipation, and hot flashes.
Historical evidence suggests that human cultivation of cabbage for consumption may have begun as early as four millennia ago in the near east. Fresh leaves of the cabbage were used raw as a topical treatment for direct application along arthritic or sprained joints; this topical treatment was also applied for treating varicose ulcers and external wounds. The ancients also made use of the leaves as poultices to cleanse infected wounds.
Given the historical use of cabbage in traditional medicine for treating various ailments, modern research has aimed to validate these effects scientifically.
3. Key Constituents and Active Compounds
3.1 Glucosinolates
Cruciferous vegetables contain chemicals known as glucosinolates and S-methyl cysteine sulfoxide. Glucosinolates, mainly in the Brassicaceae family, are secondary metabolites that are economically valuable and have beneficial effects on human health. The main glucosinolate side-chains occurring in cabbage are 2-propenyl-(sinigrin), 3-methylsulfinylpropyl-(iberin), and indolylmethyl-(glucobrassicin), present at respective concentrations of 0.04–1.6, 0.05–2.6, and 0.09–2 mmol kg−1 fresh cabbage biomass.
Glucosinolates must be transformed into bioactive compounds: when cruciferous vegetables are damaged, such as by chopping or crushing, the plant enzyme myrosinase comes into contact with glucosinolates and transforms them into different bioactive compounds. The gut microbiota can also transform glucosinolates into bioactive compounds.
Glucosinolates are hydrolyzed by the myrosinase enzyme found in plant tissues and converted into biologically active compounds such as indoles (indole-3-carbinol) and isothiocyanates (sulforaphane), which have been shown to have anticarcinogenic properties in vitro and in animal studies.
In cabbage, the glucosinolate sinigrin is hydrolyzed by plant myrosinase to allyl isothiocyanate (AITC), allyl cyanide, and, in the presence of an epithiospecifier protein, 1-cyano-2,3-epithiopropane (CEP). Isothiocyanates have been implicated in the cancer-protective effects of Brassica vegetables.
Sulforaphane, iberin, indole-3-carbinol, and ascorbigen resulting from the hydrolysis of glucosinolates are found in cabbage cultivars. The presence of these decomposition products, including sulforaphane, iberin, indole-3-carbinol, and ascorbigen, improves the health-promoting qualities of cabbage and represents a suitable component of the human diet.
3.2 Indole-3-Carbinol (I3C) and Diindolylmethane (DIM)
Glucobrassicin produces indole-3-carbinol, which has anticancer, antioxidant, and anti-atherogenic properties. In the stomach, indole-3-carbinol undergoes acid-catalyzed condensation that generates a number of biologically active molecules, most notably 3,3′-diindolylmethane (DIM), which in addition to its anticancer, anti-inflammatory, and immune-modulating properties, has a direct and beneficial effect on estrogen metabolism.
3.3 Flavonoids and Phenolic Compounds
Cabbage is rich in various nutrients, including calcium, proteins, and vitamins C and E, and contains various bioactive compounds with pharmacological properties, such as luteolin, myricetin, quercetin, and polyphenols.
The total phenol content across varieties ranges from 17.2–32.6 mM trolox equivalent antioxidant capacity (TEAC), while total flavonoid content ranges from 40.0–74.2 mg quercetin per gram.
Red cabbage is one of the richest sources of anthocyanins in the plant kingdom (≥10 mg/g dry weight), though this depends highly on the cultivar, agricultural practices, and developmental stage. Red cabbage extract contains more than 30 anthocyanins, mainly cyanidin-3-diglucoside-5-glucoside in acylated and non-acylated forms.
Sinapic, ferulic, caffeic, and p-coumaric acids are recognized as the main phenolic acids in the anthocyanin structures of red cabbage.
Numerous studies have shown that the majority of the antioxidant activity of such vegetables may derive from phenolic compounds such as flavonoids, isoflavone, flavones, anthocyanin, catechin, and isocatechin.
3.4 Vitamins and Minerals
The Brassicaceae contain a large amount of different healthy compounds such as vitamins (A, C, K, and B6), carotenoids, polyphenols (chlorogenic and sinapic acid derivatives, and flavonoids), minerals (selenium, potassium, and manganese), and nitrogen-sulfur derivatives (glucosinolates and isothiocyanates).
Cabbage leaf contains high amounts of vitamin K1, as well as other nutrients. Raw cabbage powder exhibits relatively high amounts of protein (12.2%), dietary fiber (25.2%), sodium (52 mg/100 g), calcium (355 mg/100 g), potassium (286 mg/100 g), iron (14 mg/100 g), and zinc (32 mg/100 g).
3.5 Methionine S-Methyl Sulfonium ("Vitamin U")
Specific attention has been focused on methionine S-methyl sulfonium (MMS) in the chlorinated form. Traditionally referred to as "Vitamin U," though it does not meet the classic definition of a vitamin, MMS has documented effects including stimulating the formation of gastric mucous, serving as an antioxidant, and acting as a methyl donor for a variety of acceptors.
3.6 Distribution Within the Leaf Head
The fructose and glucose content of the inner leaf layers is significantly greater than that of the outer layers. Similarly, the level of glucosinolates increases gradually from the outer leaves to the umbilicus of the leaf head. However, the content of antioxidants decreases from the outer leaves to the core, in line with the antioxidant capacity.
3.7 Effect of Cooking on Active Compounds
Processing significantly affects glucosinolate content: decreases of 32.36%, 24.83%, 25.27%, 81.11%, and 84.29% for total glucosinolates have been observed after boiling, microwaving, steaming, frying, and stir-frying, respectively. Glucosinolate concentrations are slightly reduced after microwave cooking but are not significantly influenced by steaming; however, myrosinase activity is effectively lost after 2 minutes of microwave cooking and after 7 minutes of steaming.
4. Mechanisms of Action
4.1 Anti-Inflammatory Mechanisms
The anti-inflammatory and related properties of cabbage can be explained by its rich composition in bioactive components including glucosinolates, flavonoids, phenols, and anthocyanins (particularly prominent in red varieties). Oral administration of cabbage may provide active ingredients that are converted into components with different pharmacological activity which are delivered at the site of action, and this dynamic activity is different from topical administration, where active components cannot be converted into other active substances.
Many of the molecules in cabbage, including glucosinolates and isothiocyanates, have documented anticarcinogenic, antimicrobial, anti-inflammatory, and antidiabetic activities in the scientific literature.
4.2 Gastric Mucosal Protection
Early studies recognized the effectiveness of raw cabbage juice in normalizing gastric and intestinal functioning; glutamine and methionine derivatives present in the juice are believed to be the active principals. Cabbage juice contains L-glutamine and S-methylmethionine — the latter often referred to as "vitamin U" — noted for its ability to help regenerate the stomach lining and accelerate healing.
4.3 Antioxidant Mechanisms
The protective action of cruciferous vegetables has been attributed to the presence of antioxidant phytochemicals, especially antioxidant vitamins including ascorbic acid, α-tocopherol, and β-carotene. As antioxidants, the carotenes, tocopherols, and ascorbate have the potential to prevent and treat malignant diseases.
4.4 Glucosinolate Bioactivation and Cancer-Related Mechanisms
During the preparation, chewing, and digestion of foods, sulfurous vegetables are broken down to form biologically active compounds including glucosinolates, indoles, nitriles, thiocyanates, and isothiocyanates. Indole-3-carbinol (an indole) and sulforaphane (a type of isothiocyanate) are the compounds most frequently studied for anticancer effects.
Several epidemiological and pharmacological studies have demonstrated that dietary glucosinolates and their breakdown products, isothiocyanates, may reduce the risk of carcinogenesis and particular human diseases.
Sulforaphane is particularly noted for its relatively high bioavailability (estimated at 80% absolute bioavailability, compared to 1–8% for many other polyphenols), enhancing the likelihood that results of in vitro research could translate to humans.
5. Scientific Evidence by Area of Application
5.1 Breast Engorgement During Lactation
This is the most clinically studied topical use of cabbage leaf and the area with the largest body of human evidence.
Cochrane Systematic Review (2020): Two review authors independently assessed trials for eligibility, extracted data, conducted risk of bias assessments, and assessed the certainty of evidence using GRADE. For the 2020 update, 21 studies were included, totaling 2,170 women randomised, conducted in a variety of settings. Trials examined a range of interventions including cabbage leaves, various herbal compresses (ginger, cactus and aloe, hollyhock), massage, acupuncture, ultrasound, acupressure, scraping therapy, cold packs, and medical treatments. The Cochrane review concluded that some interventions may be promising for the treatment of breast engorgement, such as cabbage leaves and cold gel packs, though the certainty of evidence was generally low.
RCT — Wong et al. (2017): This randomized controlled trial compared cold cabbage leaves to cold gel packs for relieving pain and breast hardness in postpartum women with engorgement. The results showed both methods were effective, with cabbage leaves slightly outperforming gel packs in reducing pain and hardness, concluding that cabbage leaves are a viable, accessible option for managing engorgement.
Overall evidence assessment: The evidence regarding the efficacy of cabbage leaves for managing breast engorgement is mixed but generally supportive of their use as a non-pharmacological remedy for symptom relief. Multiple studies have shown that cold cabbage leaves can effectively reduce breast pain, likely due to their cooling and anti-inflammatory properties. However, the evidence on their ability to significantly reduce breast engorgement itself remains inconclusive, with some studies indicating no clear advantage over other cold treatments such as gel packs or compresses.
Applying whole cabbage leaves to the breasts has been found to be about as effective as chilled gel-packs in relieving swelling and pain from breastfeeding.
5.2 Knee Osteoarthritis (Topical Application)
Lauche et al. RCT (2016): This study aimed to test the effects of cabbage leaf wraps (CLWs) in the treatment of symptomatic osteoarthritis. Patients with OA of the knee at stages II to III (Kellgren-Lawrence) were randomly assigned to 4 weeks of treatment with CLWs (daily for at least 2 hours), topical pain gel (TPG) (10 mg diclofenac/g, at least once daily), or usual care (UC).
In total, 81 patients were included in this study (42 women, mean age 65.9 ± 10.3 years). After 4 weeks, patients in the CLW group reported significantly less pain compared with those in the UC group (difference, −12.1; 95% CI, −23.1, −1.0; P = 0.033) but not when compared with the TPG group. Significant effects were also found in WOMAC, SF-36, 30-second Chair Stand Test, and PPT scores in the CLW group compared with the UC group. Compared with TPG, effects from CLW were found for WOMAC after 4 weeks and for quality of life after 12 weeks.
Patients were satisfied with both active interventions, and except for 2 adverse events in both groups, the applications were well tolerated. The authors concluded that CLWs are more effective for knee OA than usual care, but not superior compared with diclofenac gel, and that they might therefore be recommended for patients with OA of the knee. Further research was indicated.
Chobpenthai et al. RCT (2022): Patients with moderate to severe (grades 3–4) OA by the Kellgren and Lawrence grading system were selected. Participants were divided into three intervention groups: the cooling gel pad group (20 minutes, once daily, n = 20), the diclofenac gel group (4 times daily, n = 20), and the cabbage leaf group (1-hour duration, once daily, n = 20). All trial participants recorded Numerical Rating Scale (NRS) pain scores and Oxford Knee Scores with weekly follow-ups over 4 weeks.
The cabbage leaf group and the cooling gel pad group showed a significant difference in both the Oxford Knee Score and NRS score (p < 0.001 in both groups) before and after the intervention. The results demonstrated that cabbage leaf and cooling gel pad application significantly improved OA in comparison with diclofenac gel application, and comparison among the clinical procedures proved that the cabbage leaf and cooling gel pad showed similar improvements with statistical significance and greater efficacy than diclofenac gel application.
Evidence quality: The available RCTs on topical cabbage leaf for knee OA are small and open-labeled, limiting their conclusions. The consistent finding is that cabbage leaf wraps perform comparably to topical NSAIDs and significantly better than no treatment for pain outcomes over 4 weeks, but the mechanism (cooling effect versus active phytochemical effect) has not been definitively distinguished.
5.3 Peptic Ulcer (Oral / Cabbage Juice)
The earliest systematic clinical work on cabbage juice and peptic ulcer dates to the late 1940s and early 1950s.
Cheney (1949): Thirteen patients with peptic ulcer were treated with fresh cabbage juice, which experiments indicated contains an antipeptic ulcer factor (designated "vitamin U"), a compound shown to prevent the development of histamine-induced peptic ulcers in guinea pigs. The average crater healing time for seven patients with duodenal ulcer was only 10.4 days, while the average time reported in the literature for 62 patients treated by standard therapy was 37 days. The average crater healing time for six patients with gastric ulcer treated with cabbage juice was only 7.3 days, compared with 42 days for six patients treated by standard therapy.
Double-blind study at San Quentin Prison: A clinical study was undertaken to evaluate the effectiveness of concentrated cabbage juice in the treatment of peptic ulcers. Patients with a diagnosed ulcer crater were treated in a double-blind control experiment. They were given either concentrated cabbage juice or a placebo facsimile. The evaluation of merit was based upon repeated x-ray examinations of the ulcer crater. A period of 22 days was allowed for ulcer crater healing time. The results of this experiment indicated concentrated cabbage juice to be effective in healing of peptic ulcer.
Evidence quality: The clinical evidence for cabbage juice in peptic ulcer healing is based primarily on small, historically dated trials (pre-H. pylori era). The sample sizes were very small, and the comparison for Cheney's 1949 study was historical controls rather than a concurrent randomized group. These results should be interpreted cautiously. No large-scale modern randomized controlled trials are available.
5.4 Antioxidant and Anti-Inflammatory Activity (Preclinical and Analytical)
Research supports the complex evaluation of Brassica oleracea composition and its anti-inflammatory, analgesic, and antioxidative effects in different models of acute or subacute inflammation, and documented research supports the traditional use of cabbage in improving inflammation and inflammatory pain. These findings are currently preclinical (rodent models), and their direct translation to clinical use has not been formally established.
Methanolic extracts of different cabbage heads showed varying anti-inflammatory activity values; Chinese, Savoy, and green heads had the highest anti-inflammatory activity, while red heads had the lowest. The results suggest that these varieties could contribute as sources of important antioxidant and anti-inflammatory agents related to the prevention of chronic diseases associated with oxidative stress, such as cancer and coronary artery disease.
5.5 Cancer Chemoprevention (Epidemiological and Preclinical)
Several epidemiological and pharmacological studies have demonstrated that dietary glucosinolates and their breakdown products, isothiocyanates, may reduce the risk of carcinogenesis and particular human diseases. These findings are largely epidemiological or based on in vitro and animal studies; clinical intervention trials specifically with cabbage leaf are absent.
Glucosinolates are hydrolyzed by myrosinase and converted into biologically active compounds such as indoles (indole-3-carbinol) and isothiocyanates (sulforaphane), which have been shown to have anticarcinogenic properties in vitro and in animal studies. The evidence for cancer chemoprevention from whole cabbage leaf in humans remains preliminary and requires dedicated clinical trials.
6. Body Systems and Health Areas Associated With Cabbage Leaf
6.1 Musculoskeletal System
Topical cabbage leaf wraps have the most robust human clinical evidence for musculoskeletal pain, specifically knee osteoarthritis and breast engorgement-related tissue inflammation, as detailed in Section 5.
6.2 Gastrointestinal System
Herbalists and naturopaths have used cabbage for digestive health, particularly for ulcers, gastritis, and acid reflux; cabbage juice, rich in vitamins and minerals, is cited for soothing the stomach lining and aiding in ulcer healing. The constituent "vitamin U" (S-methylmethionine) is the classically proposed active mechanism for gastric mucosal benefit.
6.3 Endocrine System (Thyroid)
Cabbage contains goitrogenic compounds, which has raised scientific interest in its effects on thyroid function. Cabbage contains 2-hydroxy-3-butenyl glucosinolate (progoitrin) and indole glucosinolate, which can be converted to goitrin and thiocyanate, acting as goitrogens. These goitrogens may block iodide transport to the thyroid gland and inhibit the incorporation of iodine into thyroglobulin, impairing the synthesis of active thyroid hormone. To compensate, thyroid-stimulating hormone (TSH) is increasingly produced in the pituitary to stimulate more thyroid hormone production.
A comprehensive systematic review found that the vast majority of results cast doubt on previous assumptions claiming that Brassica plants have antithyroid effects in humans, indicating instead that including Brassica vegetables in the daily diet, particularly when accompanied by adequate iodine intake, poses no adverse effects on thyroid function.
6.4 Lactation / Mammary Tissue
As described in the clinical evidence section, topical cabbage leaf application is the most studied non-pharmacological intervention for breast engorgement in postpartum women, with evidence supporting symptom relief comparable to chilled gel packs.
6.5 Antioxidant and Cardiovascular System
Epidemiological data as well as in vitro studies strongly suggest that vegetables having antioxidant phytochemicals have strong protective effects against major degenerative diseases including cancer and cardiovascular diseases. The protective action of cruciferous vegetables has been attributed to the presence of antioxidant phytochemicals, especially antioxidant vitamins including ascorbic acid, α-tocopherol, and β-carotene. These relationships have been identified largely through epidemiological observation and preclinical studies; direct RCT evidence using cabbage leaf specifically for cardiovascular outcomes is lacking.
7. Dosage Forms and Reported Dosages
The following dosages are reported as used in published clinical studies or described in the primary literature. They are not recommendations.
7.1 Topical — Knee Osteoarthritis
- Cabbage leaf wraps applied daily for at least 2 hours over a 4-week treatment period (Lauche et al., 2016).
- Cabbage leaf application for 1-hour duration, once daily over 4 weeks (Chobpenthai et al., 2022).
7.2 Topical — Breast Engorgement
- Cabbage leaves are prepared by stripping out the large vein and cutting a hole for the nipple, then rinsing and chilling the leaf. The chilled cabbage leaf is worn inside the bra or as a compress under a cool towel until the leaf reaches body temperature (approximately 20 minutes), with the procedure repeated as needed.
7.3 Oral — Peptic Ulcer (Historical Studies)
- Thirteen patients were treated with fresh cabbage juice, which experiments indicated contains an antipeptic ulcer factor, showing cancer-protective activity via the "vitamin U" factor. Specific volumes were described in the original 1949 Cheney publication but are not recapitulated in indexed secondary sources.
- In the San Quentin Prison double-blind trial, patients were given either concentrated cabbage juice or a placebo facsimile, with a 22-day treatment period used to assess ulcer crater healing.
8. Safety Considerations and Known Interactions
8.1 Goitrogenic Effects and Thyroid Interactions
Glucosinolates in Brassica vegetables can be hydrolyzed into various products, including chemopreventive isothiocyanates and the anti-thyroid substance goitrin. Cooking can reduce goitrin but also destroys isothiocyanates.
A case study of a woman with diabetes described several months of overconsumption of raw Chinese cabbage (up to 1.5 kg per day), associated with the traditional Chinese medicine indication for reducing blood glucose levels. Laboratory tests showed an elevated level of TSH and undetectable free thyroxine; the patient was diagnosed with severe hypothyroidism. This represents an extreme case of overconsumption.
A comprehensive systematic review found that the vast majority of evidence cast doubt on previous assumptions claiming that Brassica plants have antithyroid effects in humans, indicating instead that including Brassica vegetables in the daily diet, particularly when accompanied by adequate iodine intake, poses no adverse effects on thyroid function.
8.2 Interaction With Thyroid Medications
Goitrogenic foods can act like an antithyroid drug in disabling thyroid function by preventing the thyroid from using available iodine. Persons taking thyroid hormone replacement are advised not to eat goitrogenic foods in large amounts. The enzymes involved in the formation of goitrogenic materials in plants can be destroyed by cooking, so cooking these foods thoroughly is suggested for those who want to eat them.
8.3 Interaction With Anticoagulant Medications (Vitamin K1)
Cabbage leaf contains high amounts of vitamin K1. High vitamin K1 intake is documented to interact with warfarin (coumarin-type anticoagulants), potentially reducing their anticoagulant efficacy. Patients on warfarin or similar agents should maintain consistent intakes of vitamin K–rich foods including cabbage leaf.
8.4 Allergy and Skin Reactions
In the Chobpenthai 2022 clinical trial, inclusion criteria specified no contraindication to cabbage leaf compression in terms of allergic reactions, and exclusion criteria included a clinical history of cabbage allergy. Contact allergy to raw cabbage leaf is a documented exclusion criterion in clinical research.
8.5 Tolerance in Clinical Trials
In the Lauche et al. 2016 RCT of cabbage leaf wraps for knee OA, patients were satisfied with both active interventions, and except for 2 adverse events in both the cabbage leaf wrap and diclofenac groups, the applications were well tolerated over 4 weeks.
8.6 Effects of Processing on Compound Profile and Safety
Analysis of cabbage powder shows that raw cabbage powder exhibits higher amounts of several nutrients compared with processed forms. Among different processing techniques, microwave treatment resulted in a higher rate of reduction for alkaloids, oxalates, tannins, and phytates — by 77%, 85%, 85%, and 86%, respectively — which may be beneficial from a safety standpoint.
References
- Brassica oleracea var. capitata Anti-Inflammatory, Analgesic, and Antioxidant Effects — PMC (2024)
- Cabbage (Brassica oleracea L. var. capitata) Phytochemicals with Antioxidant and Anti-Inflammatory Potential — PubMed (2014)
- Cabbage (Brassica oleracea var. capitata) Protects against H2O2-Induced Oxidative Stress — PMC (2018)
- Distribution of Primary and Secondary Metabolites Among the Leaf Layers of Headed Cabbage — PubMed (2020)
- Overview of Phytochemical Composition of Brassica oleracea var. capitata Cultivars — PMC (2024)
- Cabbage in Polish Folk and Veterinary Medicine — ScienceDirect (2022)
- Herbs in History: Cabbage — American Herbal Products Association
- Cabbage — An Overview, ScienceDirect Topics
- Treatments for Breast Engorgement During Lactation — Cochrane Database of Systematic Reviews (2020)
- Efficacy of Cabbage Leaf versus Cooling Gel Pad or Diclofenac Gel for Patients with Knee Osteoarthritis — PMC (2022)
- Efficacy of Cabbage Leaf Wraps in the Treatment of Symptomatic Osteoarthritis of the Knee: A Randomized Controlled Trial — PubMed / Clinical Journal of Pain (2016)
- Cruciferous Vegetables and Their Bioactive Metabolites in Colorectal Cancer Prevention — PMC (2022)
- Changes in Glucosinolate Concentrations and Myrosinase Activity in Cabbage Cooked for Different Durations — Journal of Agricultural and Food Chemistry (2007)
- Dietary Glucosinolates Sulforaphane, Phenethyl Isothiocyanate, Indole-3-Carbinol/DIM — Current Pharmacology Reports (2015)
- Anticancer Activity, Mechanism, and Delivery of Allyl Isothiocyanate — PMC (2022)
- Ascorbic Acid and Glucosinolate Levels in New Czech Cabbage Cultivars — PMC (2018)
- Analysis of Processing Effects on Glucosinolate Profiles in Red Cabbage by LC-MS/MS — PMC (2021)
- Rapid Healing of Peptic Ulcers in Patients Receiving Fresh Cabbage Juice (Cheney, 1949) — PubMed
- Vitamin U Therapy of Peptic Ulcer — Experience at San Quentin Prison — PMC
- Do Brassica Vegetables Affect Thyroid Function? — A Comprehensive Systematic Review — PMC (2024)
- Cooking Methods for Preserving Isothiocyanates and Reducing Goitrin in Brassica Vegetables — PMC (2023)
- Effect of Thermal and Non-Thermal Processing on Nutritional and Safety Characteristics of White Cabbage Powder — PMC (2022)
- Comparative Study of Quality Indices, Antioxidant Substances, and Mineral Elements in Different Forms of Cabbage — PMC (2024)
- Extracts from Cabbage Leaves: Antibacterial and Antifungal Natural Mixture — PMC (2022)
- Cabbage: Overview, Uses, Side Effects, Interactions — WebMD/Natural Medicines
- Do Brassica Vegetables Affect Thyroid Function? — A Comprehensive Systematic Review — MDPI International Journal of Molecular Sciences (2024)
Volver