Kokum (Garcinia indica)

Kokum (Garcinia indica) contains garcinol as its primary bioactive compound, demonstrating potent antioxidant activity through superoxide dismutase and catalase enzyme enhancement. This Ayurvedic fruit extract shows up to 72% free radical scavenging capacity and reduces lipid peroxidation markers in preclinical studies.

Origin & History

Kokum (Garcinia indica) is a tropical evergreen tree native to India's Western Ghats, particularly Maharashtra's Ratnagiri district, where its purple-black fruits are harvested for seeds and rinds. The oil is extracted from seeds using solvents like petroleum ether (yielding up to 78.78% oil) or chloroform (83.63% oil), while rind extracts are prepared through methanol or ethyl acetate maceration.

Historical & Cultural Context

In Indian traditional medicine, kokum rinds and seed oil have been used for centuries as nutritive, demulcent, astringent, and emollient agents, particularly in cosmetics and medicinal applications. Rind juice is traditionally processed into syrups in Maharashtra, reflecting longstanding culinary-medicinal uses dating back generations.

Health Benefits

• Antioxidant support: Elevates superoxide dismutase (SOD) and catalase (CAT) activities in preclinical models (animal evidence only)
• Lipid peroxidation reduction: Garcinol reduces oxidative stress markers in mouse studies (preliminary evidence)
• Free radical scavenging: Demonstrates up to 72% H₂O₂ inhibition comparable to ascorbic acid (in vitro evidence)
• Traditional digestive support: Used as demulcent and astringent in Ayurvedic medicine (traditional use only)
• Skin health: Seed oil traditionally used as emollient in cosmetics (traditional use, no clinical trials)

How It Works

Garcinol, the primary bioactive compound in kokum, enhances endogenous antioxidant enzymes including superoxide dismutase (SOD) and catalase (CAT). This compound directly scavenges free radicals and inhibits lipid peroxidation through its phenolic structure. The antioxidant mechanisms involve neutralizing reactive oxygen species and protecting cellular membranes from oxidative damage.

Scientific Research

No human clinical trials, RCTs, or meta-analyses were found for Garcinia indica in the research dossier. Evidence is limited to preclinical antioxidant assays in C57BL/6 mice examining lipid peroxide, GSH, CAT, and SOD levels using garcinol-enriched fractions, and in vitro models showing improved SOD/CAT activity with aqueous extracts.

Clinical Summary

Current evidence for kokum is limited to preclinical animal studies and in vitro research. Mouse studies demonstrate garcinol's ability to reduce oxidative stress markers and enhance antioxidant enzyme activities. Laboratory testing shows up to 72% free radical scavenging capacity in controlled conditions. No human clinical trials have been conducted to establish therapeutic dosages or clinical efficacy in humans.

Nutritional Profile

{"macronutrients": {"carbohydrates": "7.5 g per 100 g", "protein": "0.5 g per 100 g", "fiber": "2.0 g per 100 g", "fat": "0.1 g per 100 g"}, "micronutrients": {"vitamin_C": "12 mg per 100 g", "calcium": "10 mg per 100 g", "iron": "1.0 mg per 100 g"}, "bioactive_compounds": {"garcinol": "2.5 mg per 100 g", "hydroxycitric_acid": "10-30% of dry weight"}, "bioavailability_notes": "The bioavailability of hydroxycitric acid may be influenced by food matrix and preparation methods. Garcinol is more bioavailable in the presence of dietary fats."}

Preparation & Dosage

No clinically studied dosage ranges are available from human trials. Preclinical studies used garcinol-enriched fractions without specified human doses. Extracts are sometimes standardized to 2-3% garcinol content in rinds. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Turmeric, Green Tea Extract, Vitamin C, Alpha-lipoic Acid, Resveratrol

Safety & Interactions

Kokum safety data in humans is limited due to lack of clinical trials. Traditional Ayurvedic use suggests general safety when consumed as food or in moderate supplemental doses. Potential interactions with anticoagulant medications may exist due to its antioxidant properties. Pregnant and breastfeeding women should avoid supplemental use due to insufficient safety data.