Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Thatch screw-pine (Pandanus tectorius) has been traditionally used in some cultures, particularly in parts of Southeast Asia and the Pacific Islands, to treat colds and as a decongestant. Historical records and ethnobotanical surveys indicate that various parts of the plant, notably the leaves and roots, have been used in folk remedies for respiratory ailments, including colds, coughs, and nasal congestion. Preparations often involve infusions or decoctions, which are administered either orally or through inhalation of steam.

However, scientific validation for these uses is limited. There are very few pharmacological studies investigating the decongestant or cold-relieving properties of Pandanus tectorius. Some studies have identified the presence of bioactive compounds (such as flavonoids and phenolics) in the plant, which may contribute to general health benefits or possess mild anti-inflammatory effects, but direct evidence supporting its efficacy specifically as a decongestant or for treating colds is lacking. As such, while the use of Thatch screw-pine for colds is well-documented in traditional medicine, it has not yet been substantiated by rigorous scientific research. The evidence rating is therefore low, reflecting limited validation beyond traditional use.

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