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
Solidago virgaurea (European goldenrod) is a medicinal herb containing saponins, flavonoids, and phenolic acids that primarily exhibits anti-inflammatory and antimicrobial properties. The plant works through inhibition of inflammatory mediators and demonstrates potential activity against oral pathogens and cancer cell lines.
Origin & History
Solidago virgaurea (European goldenrod) is a perennial herb from the Asteraceae family native to Europe, Asia, and North America. The aerial parts, especially leaves and flowering tops, are harvested and processed using water-soluble extraction methods, with the active cytotoxic fraction isolated via Sephadex G-100 column chromatography yielding a 40,000 molecular weight component.
Research Narrative (Provisional)
Human clinical evidence is extremely limited, with only one randomized, double-blind trial (n=22) examining S. virgaurea extract in toothpaste for oral candidiasis, showing modest improvements in oral symptoms after 2-3 weeks. Most research remains preclinical, including in vitro tumor cytotoxicity studies and rat cardiotoxicity models at 250 mg/kg doses. No PMIDs were provided in the research dossier.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Solidago virgaurea (European Goldenrod) is a medicinal herb rather than a dietary food source, so conventional macronutrient profiling is limited; it is not consumed in meaningful caloric quantities. Key bioactive compounds are the primary nutritional-pharmacological focus: Flavonoids: rutin (quercetin-3-rutinoside) reported at approximately 0.5–1.5% dry weight, quercetin, kaempferol, and isorhamnetin glycosides; these are the dominant polyphenolic constituents. Saponins: oleanolic acid and its glycosides (virgaureasaponins 1–6) at approximately 2–5% dry weight in aerial parts, along with leiocarposide and solidagosaponins — these are considered primary bioactive drivers. Phenolic acids: chlorogenic acid, caffeic acid, and hydroxycinnamic acid derivatives present at approximately 0.5–2% dry weight. Diterpenes: including solidagenone and related kaurane-type diterpenes. Tannins: hydrolysable and condensed tannins at approximately 5–10% in aerial parts. Essential oil: trace quantities (0.1–0.5%), containing alpha-pinene, limonene, and germacrene D. Inulin-type fructooligosaccharides present in roots. Fiber: present in plant matrix but not quantified for supplemental use. Vitamins and minerals: not characterized in therapeutic-grade extracts; not a meaningful dietary source. Bioavailability notes: Rutin has low oral bioavailability (~20%) unless hydrolyzed to quercetin in the gut; saponins may enhance permeability of co-administered compounds; standardized extracts typically normalized to flavonoid or saponin content for reproducibility.
Reported Mechanism (Provisional)
Solidago virgaurea's bioactive compounds, particularly quercetin, rutin, and leiocarposide saponins, exert anti-inflammatory effects by inhibiting pro-inflammatory cytokines and cyclooxygenase pathways. The flavonoids demonstrate antimicrobial activity against Candida species through disruption of fungal cell membrane integrity. Phenolic compounds may induce apoptosis in cancer cells via oxidative stress pathways and cell cycle arrest.
Clinical Narrative (Provisional)
Clinical evidence for Solidago virgaurea remains limited to one small trial of 22 participants examining its effects in toothpaste formulation for oral candidiasis. This study showed improvements in gum irritation and bleeding symptoms, though the evidence quality is low due to small sample size. Preclinical laboratory studies have demonstrated cytotoxic effects against prostate and breast cancer cell lines, but no human cancer trials exist. Most research consists of in vitro studies examining antimicrobial and anti-inflammatory properties.
Also Known As
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