Doku Chini (Coscinium fenestratum): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Doku Chini work in the body?

Doku Chini contains berberine, palmatine, and jatrorrhizine, which are bioactive isoquinoline alkaloids. Berberine, the primary active compound, activates AMP-activated protein kinase (AMPK), improving glucose uptake and insulin sensitivity, which explains its traditional use for diabetes. These alkaloids also demonstrate broad-spectrum antimicrobial activity against bacteria, fungi, and parasites. Additionally, berberine exhibits hepatoprotective and anti-inflammatory properties that support liver function. The current evidence level is C, indicating promising but limited clinical data.

Does Doku Chini interact with any medications?

Doku Chini may interact with several medications due to its berberine content. It can potentiate the effects of diabetes medications, potentially causing hypoglycemia when combined. Berberine inhibits cytochrome P450 enzymes, particularly CYP2D6 and CYP3A4, which may alter the metabolism of many pharmaceutical drugs. It may also enhance the effects of antihypertensives and anticoagulants. Individuals taking prescription medications should consult a healthcare provider before using Doku Chini. Evidence level for these interactions is C, based on pharmacological data rather than extensive clinical trials.

What is the recommended daily dosage for Doku Chini?

The standard adult dosage for Doku Chini is 3-6 grams of dried stem daily, typically prepared as a decoction or taken in powdered form. This dosage is based on traditional Ayurvedic and Thai medicine practice, with evidence level C. Dosage should be divided throughout the day and taken with food to improve tolerability. Individuals new to this herb should start with lower doses. Consult a qualified herbalist or healthcare practitioner for personalized dosing recommendations, especially when treating specific conditions.

Is Doku Chini safe to take during pregnancy?

Doku Chini is contraindicated during pregnancy and should be strictly avoided. The berberine content can stimulate uterine contractions and may increase the risk of miscarriage or premature labor. Both Ayurvedic and Thai traditional medicine systems explicitly warn against its use in pregnant women. There is insufficient safety data regarding effects on fetal development. Women who are pregnant, planning to conceive, or breastfeeding should not use Doku Chini. This contraindication is well-documented in traditional use and supported by the uterine-stimulating properties of berberine alkaloids.

What conditions is Doku Chini traditionally used to treat?

Doku Chini is traditionally used in Thai and Ayurvedic medicine for liver conditions, diabetes mellitus, various infections, and digestive disorders. Its antimicrobial properties make it valuable for treating bacterial, fungal, and parasitic infections. The herb is employed to support liver health, regulate blood glucose levels, and address gastrointestinal complaints. It has also been used as a bitter tonic to stimulate digestion. While these applications are well-established in traditional medicine, current clinical evidence remains at Level C, requiring more rigorous scientific investigation to fully validate efficacy.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Coscinium fenestratum, also known as tree turmeric or Daru Haridra, is a medicinal woody liana used in traditional Asian medicine for various therapeutic purposes [PMID:37293467, 22556968, 20045942].

Contexte

Coscinium fenestratum is a critically endangered dioecious woody liana found in the Western Ghats of India and Southeast Asia [PMID:38194000, 37115025, 20045942]. It is identified in modern pharmacognosy as Daru Haridra and is sometimes substituted with Arcangelisia flava or Fibraurea tinctoria due to morphological similarities [PMID:22556968, 20045942].

Usages traditionnels

The herb is used by ethnic communities in southern India for urinary disorders and kidney stones ('Ashmari') [PMID:36260052]. It is also traditionally used in Ayurveda and Siddha systems for the treatment of diabetes mellitus, cancer, and arthritis [PMID:15707777, 23136612]. In Sri Lanka, it is used in a concoction with Coriandrum sativum to relieve inflammation and colds [PMID:33005205].

Composés actifs

Major bioactive alkaloids include berberine and palmatine [PMID:36260052, 16112497]. Other identified constituents include tembetarine [PMID:41967451], tetraacetyl-d-xylonic nitrile, and inositol, 1-deoxy- [PMID:35890469]. The plant also contains quaternary protoberberine alkaloids, 8-oxoprotoberberine alkaloids, benzylisoquinoline alkaloids, aporphine alkaloids, and steroids [PMID:19539442].

Mécanisme d'action

The herb may lower cholesterol by inhibiting PCSK9 expression, which upregulates LDLR expression in HepG2 cells [PMID:35890469]. Its anti-urolithiatic effect involves a concentration-dependent inhibitory delay in the nucleation and aggregation of calcium oxalate crystals [PMID:36260052]. In colorectal cancer cells, it may increase pro-apoptotic proteins NAG-1 and ATF3 while decreasing cyclin D1 [PMID:23136612]. Its vasorelaxant activity is associated with the involvement of nitric oxide [PMID:17229538].

Preuves cliniques

Preuve DUrolithiasis

Water extracts showed anti-urolithiatic potential by inhibiting calcium oxalate crystal nucleation and aggregation [PMID:36260052].

Preuve DType 2 Diabetes

Alcoholic stem extract significantly reduced fasting blood glucose levels in STZ-nicotinamide induced diabetic rats [PMID:15707777, 16136216].

Preuve DHypertension

Stem extracts exhibited dose-related hypotensive action in anesthetized dogs, rats, and guinea pigs [PMID:2255206, 17229538].

Preuve DBacterial Infections

Extracts showed antibacterial activity, specifically against Neisseria gonorrhoeae with an MIC of 47.39 microg/ml, attributed to berberine [PMID:16112497, 19429310].

Preuve DCancer (In Vitro)

Extracts demonstrated antiproliferative and cytotoxic activity against human HN31 (pharynx), Hep-2, and colorectal cancer cells [PMID:12081142, 26074999, 23136612].

Preuve DHepatotoxicity

Sécurité et effets indésirables

An oral dose of 5000 mg/kg of water extract did not produce mortality or significant behavioral changes in rats [PMID:17229538]. However, oral administration of alcoholic extract (5-20 mg/kgBW) for 14 days in rats caused decreased neuron density in the cerebral cortex, hippocampus, and striatum, and increased stereotyped licking behavior, suggesting neurotoxicity [PMID:16644087].

Synthèse des preuves

The current evidence is primarily based on in vitro studies and animal models (Level D), with no human clinical trials provided in the abstracts.

Sources PubMed

1.PMID: 35890469 (2022) — The Cholesterol-Modulating Effect of the New Herbal Medicinal Recipe from Yellow Vine (Coscinium fenestratum (Goetgh.)), Ginger (Zingiber officinale Roscoe.), and Safflower (Carthamus tinctorius L.) on Suppressing PCSK9 Expression to Upregulate LDLR Expression in HepG2 Cells. · Plants (Basel, Switzerland)
2.PMID: 16112497 (2005) — Antibacterial effects of Coscinium fenestratum. · Fitoterapia
3.PMID: 37293467 (2023) — Berberine isolation from Coscinium fenestratum: optical, electrochemical, and computational studies. · RSC advances
4.PMID: 36260052 (2023) — Evaluation of Coscinium fenestratum (Goetgh.) Colebr. stem extracts for urolithiasis and quantification of bioactive alkaloids to validate the traditional claims. · Natural product research
5.PMID: 22556968 (1983) — IDENTIFICATION OF DARU-HARIDRA: (Coscinium fenestratum).

Doku Chini

Sources et citations

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