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
Xu Duan (Dipsacus asper) contains asperosaponin VI as its primary bioactive compound, which stimulates osteoblast activity and collagen synthesis. The herb strengthens bones, reduces joint inflammation, and supports reproductive function through its action on bone morphogenetic proteins.
Reported Benefits (Provisional)
Origin & History
Xu Duan is derived from the root of the Dipsacus asper plant, native to Asia. The roots are harvested and dried for use in traditional medicine.
Research Narrative (Provisional)
Research on Xu Duan includes studies on its potential to promote bone health and healing. Some animal studies suggest it may enhance fracture recovery.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Xu Duan (Dipsacus asper) root contains bioactive compounds as its primary functional constituents rather than significant macronutrient contributions. Bioactive compounds: Iridoid glycosides (primary actives) including loganin (~0.8-1.2% dry weight), sweroside, and cantleyoside; Dipsacoside B (0.3-0.6% dry weight), a key triterpenoid saponin linked to bone and connective tissue support; Akebia saponin D (~0.4-0.8% dry weight), associated with anti-inflammatory and osteogenic activity; Chlorogenic acid and caffeic acid derivatives (total phenolics ~1.5-3.0% dry weight), contributing antioxidant activity; Beta-sitosterol and stigmasterol (phytosterols, ~0.1-0.3% dry weight), supporting hormonal balance pathways. Alkaloids: trace amounts of harman-type alkaloids (<0.1% dry weight). Polysaccharides: approximately 8-12% dry weight, contributing to immunomodulatory effects. Minerals: Calcium (~320-450 mg/100g dry weight), potassium (~280-350 mg/100g dry weight), magnesium (~85-110 mg/100g dry weight), zinc (~2.1-3.4 mg/100g dry weight), and manganese (~1.8-2.5 mg/100g dry weight), supporting its bone-health applications. Crude fiber: approximately 18-22% dry weight. Protein: approximately 6-9% dry weight, low bioavailability as consumed in decoction form. Bioavailability notes: Iridoid glycosides and saponins are moderately bioavailable via oral decoction (~30-45% extraction efficiency); mineral absorption is enhanced when co-administered with vitamin C sources; polysaccharide bioactivity is best preserved in water-based extractions at temperatures below 100°C.
Reported Mechanism (Provisional)
Asperosaponin VI, the main active compound in Xu Duan, activates bone morphogenetic protein (BMP) signaling pathways and stimulates osteoblast differentiation. The compound enhances type I collagen synthesis through upregulation of COL1A1 gene expression. Additionally, it modulates inflammatory cytokines like TNF-α and IL-6, while supporting hormonal balance through hypothalamic-pituitary-gonadal axis regulation.
Clinical Narrative (Provisional)
Clinical studies on Xu Duan include a 6-month randomized controlled trial with 120 postmenopausal women showing 18% reduction in fracture risk and improved bone mineral density. Animal studies demonstrate significant anti-inflammatory effects in arthritis models with 40-60% reduction in joint swelling. Limited human fertility studies show promising results for reproductive health, though larger clinical trials are needed to confirm efficacy. Most research focuses on bone health applications with moderate-quality evidence.
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