Herbs (Global Traditional) · Southeast Asian
Daun Dewa (Gynura procumbens) (Gynura procumbens)
Moderate Evidencebotanical5 PubMed Studies
Hermetica Superfood Encyclopedia
Gynura procumbens contains chlorogenic acid and flavonoids that activate cellular antioxidant pathways and glucose metabolism regulation. The plant demonstrates wound healing acceleration and blood glucose reduction through enhanced growth factor expression and improved insulin sensitivity.
Gynura procumbens, known as Daun Dewa in Indonesian traditional medicine, is a herbaceous plant native to Southeast Asia. The herb is typically extracted using 80-95% ethanol to obtain bioactive compounds rich in flavonoids, including stigmasterol, kaempferol, and quercetin. It belongs to the Jamu category of global traditional herbs and yields liquid or dried extract forms for therapeutic use.
A landmark study (PMID: 34205899) demonstrated that topical G. procumbens extract accelerated wound healing in diabetic mice by enhancing growth factor expression and promoting cell migration. Clinical evidence includes a trial showing efficacy for herpes labialis symptoms, though most research remains limited to animal models and in vitro studies. Recent research (PMID: 40894207) indicates antidiabetic potential, but authors note insufficient bioactive metabolite identification and lack of comprehensive human trials.
Studied dosages include topical application up to 200 μg/mL for wound healing in vitro studies, though specific in vivo dosing is not detailed. Standardized 80-95% ethanol extracts are used in research, but exact human dosages are not established. For immunomodulation, 10 μg/mL showed stimulant effects while lower concentrations were immunosuppressive. Consult a healthcare provider before starting any new supplement.
Daun Dewa (Gynura procumbens) leaves contain moderate moisture content (~85-88% fresh weight). Macronutrient composition per 100g dry weight: protein approximately 15-20g (containing essential amino acids), crude fiber 8-12g, carbohydrates 40-50g, crude fat 3-5g, ash content 8-12g. Key micronutrients include potassium (significant, contributing to vascular effects), calcium (~1,200-1,500mg/100g dry weight), iron (~15-20mg/100g dry weight), magnesium, and phosphorus. Vitamin C content reported at approximately 70-110mg/100g fresh weight; also contains beta-carotene (provitamin A precursor) at ~2-4mg/100g fresh weight and tocopherols (vitamin E activity). Primary bioactive compounds: flavonoids including kaempferol, quercetin, and rutin (total flavonoid content ~15-25mg quercetin equivalent/g dry extract); phenolic acids including caffeic acid, chlorogenic acid, and ferulic acid (total phenolics ~30-50mg GAE/g dry extract); terpenoids including luteolin and its glycosides; saponins (~2-5% dry weight); alkaloids in trace amounts; and polysaccharides with immunomodulatory potential. Chlorogenic acid is considered a primary contributor to antidiabetic and antioxidant activity. Bioavailability notes: flavonoid glycosides require intestinal hydrolysis before absorption; fat-soluble compounds (tocopherols, beta-carotene) have enhanced bioavailability when consumed with dietary fat; aqueous extraction recovers primarily polar phenolics and flavonoid glycosides, while ethanol extraction captures a broader spectrum including aglycones. Antioxidant capacity measured at ~150-300 µmol Trolox equivalent/g dry extract by DPPH assay.
Gynura procumbens works through chlorogenic acid and flavonoid compounds that activate cellular antioxidant defense systems and modulate glucose metabolism pathways. The bioactive compounds enhance growth factor expression including VEGF and PDGF for wound healing, while improving insulin sensitivity through AMPK pathway activation. Antioxidant mechanisms involve upregulation of superoxide dismutase and catalase enzymes.
Animal studies demonstrate significant wound healing acceleration in diabetic conditions through enhanced cell migration and growth factor expression. Clinical trials show topical application reduces recurrent herpes labialis symptoms, though sample sizes and study duration details are limited. Blood glucose reduction has been observed in preliminary studies, but robust human clinical data with standardized dosing protocols remains insufficient. Evidence is strongest for wound healing applications, with moderate support for antiviral and antidiabetic effects.
Gynura procumbens appears generally well-tolerated in traditional use, but comprehensive safety data is limited. Potential hypoglycemic effects may interact with diabetes medications, requiring blood sugar monitoring. No specific drug interactions have been documented, though caution is advised with anticoagulant medications due to potential bleeding risk. Pregnancy and breastfeeding safety has not been established through clinical research.
