Synopsis

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

Indian Redwood (Biancaea sappan, formerly Caesalpinia sappan) has a long history of use in traditional Ayurvedic and other South Asian medicinal systems. Its heartwood is known as "Patanga" in Ayurveda. The plant is valued for its anti-inflammatory, antimicrobial, and wound-healing properties. Traditional healers have used Indian Redwood preparations—often as decoctions or powders—to treat various mouth ailments, including canker sores (aphthous ulcers). The rationale is based on its ability to reduce inflammation and promote tissue healing, as well as its purported antimicrobial action, which may help prevent secondary infections in oral ulcers.

However, scientific validation specifically for canker sores is limited. Some in vitro and animal studies have shown that Indian Redwood extracts possess antimicrobial and anti-inflammatory activity, which could theoretically benefit oral ulcers, but there are no published clinical trials directly evaluating its efficacy for canker sores in humans. The evidence supporting its use for this specific condition is therefore based primarily on traditional usage and indirect pharmacological properties rather than robust scientific proof.

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