Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Temulawak (Curcuma xanthorrhiza) contains xanthorrhizol and curcuminoids that support liver detoxification and reduce inflammation through COX-2 inhibition. This Javanese turmeric enhances bile production and provides hepatoprotective effects superior to common turmeric.
Reported Benefits (Provisional)
Origin & History
Temulawak, also known as Javanese Turmeric, is native to Indonesia and is widely cultivated in Southeast Asia. It is known for its vibrant yellow color and earthy flavor.
Research Narrative (Provisional)
Research on Temulawak suggests it may have anti-inflammatory and antioxidant properties. Some studies have explored its potential in supporting liver health.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Per 100g of dried Temulawak (Curcuma xanthorrhiza) rhizome: Calories ~320-350 kcal; Carbohydrates 60-70g (including starch 30-40g and dietary fiber 6-8g); Protein 5-8g; Fat 4-8g (primarily volatile essential oils). Key bioactive compounds: Curcuminoids 1.5-3.0% of dry weight (comprising curcumin ~60-70% of total curcuminoids, demethoxycurcumin ~15-25%, bisdemethoxycurcumin ~5-10%); Xanthorrhizol 0.5-1.5% (a sesquiterpenoid unique to C. xanthorrhiza, with notable antimicrobial and hepatoprotective activity); Essential oil content 3-12% (containing ar-curcumene, β-curcumene, xanthorrhizol, germacrene, and camphor); Germacrone ~0.1-0.5%. Minerals: Potassium 1,200-1,800 mg, Calcium 80-150 mg, Magnesium 150-250 mg, Iron 15-30 mg, Phosphorus 200-350 mg, Manganese 5-12 mg, Zinc 3-6 mg per 100g dry weight. Vitamins: modest amounts of Vitamin C (5-15 mg), B-complex vitamins including B1 (thiamine 0.03-0.05 mg), B2 (riboflavin 0.02-0.04 mg), and B3 (niacin 1-3 mg). Contains polysaccharides (arabinogalactans and glucomannans) that may support prebiotic gut activity. Bioavailability notes: Curcuminoids have inherently low oral bioavailability (~1-2% absorption) due to rapid hepatic metabolism and poor water solubility; bioavailability is significantly enhanced (up to 2,000%) when co-consumed with piperine (from black pepper) or with dietary fats/oils due to curcuminoids' lipophilic nature. Xanthorrhizol demonstrates superior bioavailability compared to curcumin due to its smaller molecular weight and higher lipophilicity. Traditional Jamu preparations often combine Temulawak with coconut milk or palm oil, which empirically improves absorption of fat-soluble compounds. The starch fraction (known as 'pati temulawak') is easily digestible and has been used traditionally as a nutritive food base.
Reported Mechanism (Provisional)
Temulawak's curcuminoids inhibit cyclooxygenase-2 (COX-2) and lipoxygenase enzymes, reducing pro-inflammatory mediators like TNF-α and IL-6. Xanthorrhizol, the primary sesquiterpene, enhances hepatocyte glutathione production and activates phase II detoxification enzymes. These compounds also stimulate cholecystokinin release, increasing bile acid synthesis for improved fat digestion.
Clinical Narrative (Provisional)
Human studies with 500-1000mg daily doses show temulawak extract reduced liver enzyme levels (ALT/AST) by 15-30% in hepatitis patients over 12 weeks. A randomized controlled trial of 60 osteoarthritis patients found 1500mg daily decreased pain scores by 40% compared to placebo. Limited clinical data exists, with most evidence coming from small-scale studies and traditional use documentation rather than large randomized trials.
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