# Rakta Chandana (Pterocarpus santalinus)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/rakta-chandana
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Ayurveda
**Also Known As:** Pterocarpus santalinus, Red Sandalwood, Red Sanders, Lal Chandan, Raktachandan, Rakta Chandanam, Chandana Rakta, Indian Red Sandalwood, Almug, Saunderswood

## Overview

Rakta Chandana (Pterocarpus santalinus), or Red Sandalwood, contains pterostilbene, homopterocarpin, and santalin pigments that drive its pharmacological activity. These compounds exert [anti-inflammatory](/ingredients/condition/inflammation) and [hepatoprotective](/ingredients/condition/detox) effects primarily by scavenging [free radical](/ingredients/condition/antioxidant)s and inhibiting [acetylcholine](/ingredients/condition/cognitive)sterase (AChE) enzyme activity.

## Health Benefits

• [Anti-inflammatory](/ingredients/condition/inflammation) properties are noted in traditional contexts, supported by preclinical studies.
• [Hepatoprotective](/ingredients/condition/detox) effects observed in rat models enhance liver [antioxidant](/ingredients/condition/antioxidant) enzymes.
• Methanol extracts exhibit anticholinesterase (AChE) inhibitory activity in vitro and in vivo.
• Traditionally used for skin issues and eye disorders, though evidence is anecdotal.
• Antibacterial effects due to disruption of cell membrane integrity in microorganisms.

## Mechanism of Action

Santalin and homopterocarpin in Pterocarpus santalinus inhibit NF-κB signaling and suppress [pro-inflammatory cytokine](/ingredients/condition/inflammation) release (TNF-α, IL-6), reducing inflammatory cascades at the cellular level. Methanol heartwood extracts inhibit acetylcholinesterase (AChE), prolonging acetylcholine availability at cholinergic synapses, which underlies its studied [neuroprotective](/ingredients/condition/cognitive) potential. [Hepatoprotective](/ingredients/condition/detox) activity is attributed to upregulation of [antioxidant](/ingredients/condition/antioxidant) enzymes—superoxide dismutase (SOD), catalase, and glutathione peroxidase—in hepatic tissue, reducing oxidative damage.

## Clinical Summary

Preclinical evidence from rat models demonstrates significant [hepatoprotective](/ingredients/condition/detox) effects, with oral administration of P. santalinus extracts increasing hepatic SOD and catalase levels and reducing serum ALT/AST markers of liver injury. In vitro AChE inhibition studies using methanol heartwood extracts show dose-dependent inhibitory activity, with in vivo validation in rodent models supporting central cholinergic enhancement. [Anti-inflammatory](/ingredients/condition/inflammation) efficacy has been assessed primarily in animal models using carrageenan-induced edema paradigms, showing measurable reduction in paw edema. Human clinical trial data for Rakta Chandana are currently absent, meaning all mechanistic findings remain at preclinical or in vitro evidence levels.

## Nutritional Profile

Rakta Chandana (Pterocarpus santalinus) is a non-food medicinal wood and is not consumed as a dietary source of macronutrients or micronutrients; therefore, conventional nutritional values (calories, carbohydrates, fats, proteins) are not applicable in standard dietary terms. Its profile is dominated by bioactive phytochemicals rather than nutritional constituents. Key bioactive compounds include: (1) Pterostilbene (a dimethylated analog of resveratrol) — a primary polyphenol with reported concentrations ranging approximately 0.1–0.5% in heartwood extract; high lipophilicity confers better oral bioavailability (~80%) compared to resveratrol. (2) Santalin A and Santalin B — red diaroylmethane pigments (xanthene-based colorants) present at approximately 0.3–1.0% in heartwood; responsible for characteristic red color; limited systemic bioavailability due to poor aqueous solubility. (3) Pterosupin and Liquiritigenin — flavanone glycosides present in trace amounts (<0.1% dry weight); moderate bioavailability via intestinal absorption. (4) Homopterocarpin and Pterocarpine — isoflavonoid compounds present at approximately 0.05–0.2% in heartwood; implicated in anticholinesterase and [antimicrobial](/ingredients/condition/immune-support) activity. (5) Savinin and Calocedrin — lignans identified in small quantities (~0.02–0.08%). (6) Tannins (including gallic acid derivatives) — present at approximately 2–5% in bark; contribute to astringent and [hepatoprotective](/ingredients/condition/detox) properties; moderate bioavailability. (7) Polysaccharides/fiber-like constituents in wood matrix — not bioavailable in conventional sense. (8) Trace minerals detected in ash analysis include calcium, magnesium, potassium, and iron, but concentrations are pharmacologically insignificant at typical medicinal doses. Bioavailability note: Most bioactive compounds are extracted via methanol, ethanol, or water decoctions; aqueous extracts yield primarily tannins and polar flavonoids, while lipophilic compounds like pterostilbene require ethanol/methanol extraction for meaningful yield.

## Dosage & Preparation

No clinically studied dosage ranges from human trials are available. In traditional Ayurvedic use, it is utilized as powders, decoctions, or pastes, but specific quantities or standardization are not detailed. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Rakta Chandana is generally regarded as safe at traditional Ayurvedic doses when used short-term, but no robust human safety trials have established a formal tolerable upper limit. Due to its AChE inhibitory activity, concurrent use with anticholinesterase drugs (e.g., donepezil, rivastigmine) or anticholinergic medications may produce additive or antagonistic pharmacodynamic interactions. [Hepatoprotective](/ingredients/condition/detox) constituents could theoretically interact with hepatically metabolized drugs by modulating CYP450 enzyme expression, though specific interaction data are lacking. Pregnant and breastfeeding women should avoid supplemental use due to insufficient safety data; traditional use in these populations is not well documented.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses were identified in the available sources. Evidence is limited to preclinical in vitro and animal studies. No PubMed PMIDs are available for human studies.

## Historical & Cultural Context

In Ayurveda, Rakta Chandana is used for over 2,000 years to treat fever, skin issues, and as a styptic. It is also a component in Siddha formulations for cooling effects and as a natural dye in pharmaceuticals.

## Synergistic Combinations

Daruharidra, Turmeric, Neem, Ashwagandha, Ginger

## Frequently Asked Questions

### What is Rakta Chandana used for in Ayurveda?

In Ayurvedic medicine, Rakta Chandana (Red Sandalwood) is traditionally used to manage fever, skin disorders, inflammatory conditions, and liver ailments. It is classified as a 'Pitta-pacifying' herb, and its heartwood paste is applied topically for skin inflammation and wound healing, while decoctions are taken internally for hepatic support.

### Does Pterocarpus santalinus have liver-protective effects?

Preclinical rat studies demonstrate that P. santalinus extracts significantly elevate hepatic antioxidant enzymes—superoxide dismutase (SOD) and catalase—while reducing elevated serum ALT and AST levels induced by hepatotoxic agents. These effects are attributed to santalin pigments and pterostilbene neutralizing reactive oxygen species in liver tissue. No human clinical trials have yet confirmed these hepatoprotective outcomes.

### Can Rakta Chandana improve memory or cognitive function?

Methanol extracts of Rakta Chandana heartwood have demonstrated inhibition of acetylcholinesterase (AChE) both in vitro and in in vivo rodent models, increasing synaptic acetylcholine availability—the same mechanism exploited by FDA-approved Alzheimer's drugs like donepezil. While these findings are mechanistically promising, no human cognitive or memory trials exist for this herb, so clinical efficacy in humans is unconfirmed.

### What are the active compounds in Red Sandalwood?

The primary bioactive compounds in Pterocarpus santalinus include santalin A and B (red dye pigments), homopterocarpin (an isoflavonoid), pterostilbene (a stilbenoid structurally related to resveratrol), and pterocarpin. Pterostilbene is particularly notable for its antioxidant and anti-inflammatory properties, and homopterocarpin contributes to the herb's antimicrobial and AChE inhibitory activity.

### Is Rakta Chandana safe to take daily as a supplement?

There is no established recommended daily dosage or formally validated safety profile from human clinical studies for Rakta Chandana supplements. Traditional Ayurvedic practice uses heartwood powder typically in the range of 1–3 grams per day under practitioner guidance. Individuals taking cholinergic, anticholinergic, or hepatically metabolized drugs should consult a healthcare provider before use, as pharmacodynamic and pharmacokinetic interactions are plausible but not fully characterized.

### How does Rakta Chandana compare to other traditional sandalwood varieties for supplements?

Rakta Chandana (red sandalwood) differs from white sandalwood primarily in its active compound profile and traditional applications—red sandalwood contains santalins and pterocarpin with stronger anti-inflammatory properties, while white sandalwood is traditionally used for skin and cooling effects. Red sandalwood shows more pronounced hepatoprotective and anticholinesterase activity in research models compared to its white counterpart. The choice between them depends on whether your primary concern is liver support and cognitive function (red sandalwood) versus general skin health and cooling properties (white sandalwood).

### What is the difference between Rakta Chandana extract and powder forms in terms of effectiveness?

Pterocarpus santalinus extracts (particularly methanol and aqueous extracts) concentrate active compounds like santalins and pterocarpin, making them more potent for hepatoprotective and anticholinesterase effects observed in research studies. Powder forms contain the whole herb material with lower bioavailable concentrations of active constituents but provide additional fiber and phytonutrients. For targeted liver support or cognitive benefits, extracts show stronger evidence in preclinical models, though standardized extracts ensure consistent potency across batches.

### Is Rakta Chandana appropriate for people with existing liver conditions or on hepatic medications?

While Rakta Chandana demonstrates hepatoprotective effects in animal models by enhancing antioxidant enzymes, individuals with pre-existing liver disease or taking hepatically metabolized medications should consult a healthcare provider before supplementing. The ingredient's liver-supporting properties may interact with pharmaceutical liver treatments or affect drug metabolism through cytochrome P450 enzymes. Medical supervision is essential to determine safe dosing and rule out contraindications in compromised hepatic function.

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