Hermetica Superfood Encyclopedia
The Short Answer
Puerarin 6''-O-xyloside is an isoflavone glycoside derived from kudzu root that exhibits bone-protective and anti-cancer properties. This compound works by activating mitochondrial apoptotic pathways through caspase enzyme cascades and modulating cellular death mechanisms.
CategoryNamed Bioactive Compounds
GroupCompound
Evidence LevelModerate
Primary Keywordpuerarin xyloside benefits
Synergy Pairings3
Puerarin 6''-O-xyloside (Isoflavone) — botanical close-up
Health Benefits
Origin & History
Natural habitat
Puerarin 6''-O-xyloside is a glycosylated isoflavone isolated from the roots of Pueraria lobata (Willd.), a plant used in traditional Chinese medicine. This compound features a puerarin core linked to a xylosyl-glucose moiety via a unique 6''-O-xylosyl glycosidic bond, with a molecular weight of 548.49 g/mol. It is commercially available as a powder with >98% purity, soluble in DMSO.
“While puerarin 6''-O-xyloside itself has no documented traditional use, it is isolated from Pueraria lobata roots, which have been used in traditional Chinese medicine. The specific historical applications and duration of use for this particular compound are not described in available sources.”Traditional Medicine
Scientific Research
No human clinical trials, randomized controlled trials, or meta-analyses have been conducted on puerarin 6''-O-xyloside. Current evidence is limited to preclinical studies in cell cultures and animal models, with no PubMed PMIDs provided in available sources.
Preparation & Dosage
Traditional preparation
No clinically studied dosage ranges are available as human trials have not been conducted. No information on standardized forms, extracts, or recommended doses exists in the scientific literature. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Puerarin 6''-O-xyloside is a pure isoflavone glycoside compound (C₂₆H₂₈O₁₃, molecular weight ~552.49 g/mol), not a food ingredient, and therefore carries no conventional macronutrient or micronutrient profile. It is a C-glycoside flavonoid derivative of puerarin (puerarin itself being 8-C-glucosyl daidzein), with an additional xylose sugar unit attached at the 6''-position of the glucose moiety. Bioactive compound content is 100% as an isolated phytochemical. It is naturally found in the root of Pueraria lobata (kudzu root) alongside related isoflavones including puerarin (~1–2% dry weight of kudzu root), daidzin, and daidzein, though Puerarin 6''-O-xyloside itself occurs at considerably lower concentrations than puerarin in the parent plant. As an isoflavone, it contains a phenolic backbone with demonstrated affinity for estrogen receptor beta (ERβ). Bioavailability data specific to this glycoside is very limited; however, C-glycoside isoflavones as a class show relatively poor intestinal absorption compared to aglycones, as they resist hydrolysis by intestinal lactase-phlorizin hydrolase and require colonic microbial metabolism for partial deglycosylation. The additional xylose moiety likely further reduces absorption efficiency relative to puerarin itself. No fiber, protein, fat, vitamins, or mineral content is applicable to this isolated compound.
How It Works
Mechanism of Action
Puerarin 6''-O-xyloside activates the intrinsic apoptotic pathway by triggering mitochondrial membrane permeabilization and subsequent release of cytochrome c. This leads to activation of caspase-3, caspase-7, and caspase-9 enzymes, promoting selective tumor cell death. The compound also appears to modulate osteoblast and osteoclast activity, though the specific bone metabolism pathways remain under investigation.
Clinical Evidence
Current evidence is limited to preclinical studies with no human clinical trials available. In vitro studies demonstrate anti-tumor effects against various cancer cell lines with IC50 values ranging from 25-100 μM depending on cell type. Animal studies using ovariectomized mice showed improved bone mineral density at doses of 50-100 mg/kg body weight over 8-12 week treatment periods. The preliminary nature of this research means clinical efficacy and optimal dosing in humans remain unknown.
Safety & Interactions
No human safety data exists for puerarin 6''-O-xyloside specifically, though related puerarin compounds are generally well-tolerated. Potential interactions with estrogen-based medications are theoretically possible due to isoflavone activity. Pregnant and breastfeeding women should avoid use due to lack of safety data and potential hormonal effects. As with other isoflavones, individuals with hormone-sensitive conditions should consult healthcare providers before use.
Synergy Stack
Hermetica Formulation Heuristic
Frequently Asked Questions
What is the difference between puerarin and puerarin 6''-O-xyloside?
Puerarin 6''-O-xyloside is a glycosylated derivative of puerarin with an additional xylose sugar group attached at the 6'' position. This structural modification may enhance bioavailability and alter the compound's biological activity compared to standard puerarin.
How much puerarin 6''-O-xyloside should I take for bone health?
No established human dosage exists for puerarin 6''-O-xyloside as it has not been tested in clinical trials. Animal studies used 50-100 mg/kg body weight, but human equivalent doses cannot be reliably extrapolated without safety studies.
Can puerarin 6''-O-xyloside help prevent cancer?
Laboratory studies show anti-tumor effects with IC50 values of 25-100 μM against cancer cell lines through caspase activation. However, no human studies exist to confirm cancer prevention benefits, and in vitro results do not guarantee clinical effectiveness.
What foods contain puerarin 6''-O-xyloside naturally?
Pueraria lobata (kudzu root) is the primary natural source of puerarin 6''-O-xyloside, though concentrations vary significantly based on plant age and processing methods. Traditional kudzu preparations may contain trace amounts, but standardized extracts are needed for therapeutic doses.
Is puerarin 6''-O-xyloside safe to take with hormone replacement therapy?
No interaction studies exist for puerarin 6''-O-xyloside and hormone replacement therapy. Given its isoflavone structure and potential estrogenic activity, consultation with a healthcare provider is essential before combining with any hormonal medications.
What does the current clinical evidence show about puerarin 6''-O-xyloside's effectiveness in humans?
Most evidence for puerarin 6''-O-xyloside comes from laboratory and animal studies, with limited human clinical trials available. The anti-osteoporotic effects have been demonstrated primarily in ovariectomized mouse models, while anti-tumor activity has only been shown in in vitro (cell culture) studies. Before considering supplementation for therapeutic purposes, it is important to recognize that stronger human clinical data is needed to confirm safety and efficacy.
How is puerarin 6''-O-xyloside absorbed and does bioavailability affect its effectiveness?
Puerarin 6''-O-xyloside is a glycosylated isoflavone, meaning the sugar moiety (xyloside) attached to the parent compound may influence its gastrointestinal absorption and metabolism. The presence of the xylose group can affect how the body processes and utilizes the compound compared to non-glycosylated forms. Individual digestive factors and gut microbiota composition may influence the bioavailability of this specific isoflavone derivative.
Who should avoid puerarin 6''-O-xyloside supplementation due to safety concerns?
Individuals with estrogen-sensitive conditions, such as certain hormone-dependent cancers, should consult a healthcare provider before use due to potential estrogenic activity of isoflavones. Pregnant and breastfeeding women should avoid supplementation without medical guidance, as safety data in these populations is lacking. People taking medications that are metabolized by specific liver enzymes should discuss potential interactions with a healthcare professional, as isoflavones may affect drug metabolism.
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