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
Bear Root (Osha Root) contains bioactive compounds like E-ligustilide and terpenes which primarily support respiratory and immune health. These compounds exert their effects through anti-inflammatory, antioxidant, and mucolytic actions, enhancing the body's natural defenses.
Reported Benefits (Provisional)
Origin & History
Bear Root, scientifically known as *Ligusticum porteri* (Osha Root), is a perennial herb indigenous to the high-altitude Rocky Mountains of North America, particularly Colorado, Wyoming, and New Mexico. This aromatic root is recognized for its rich composition of ursolic acid, flavonoids, and volatile oils. It is valued in functional nutrition for its traditional use in supporting respiratory health, aiding digestion, and enhancing immune function.
Research Narrative (Provisional)
A study investigated Osha root extract's effects on HL-60 cells, finding 200-400 μg/mL concentrations doubled viability after 7 days compared to controls under H2O2 stress (PMID:28523019). It enhanced SOD and CAT activities at ≥100 μg/mL, reducing oxidative markers like MDA while restoring GSH (PMID:28523019). Immunomodulation included increased IL-2 (up to 63% at 400 μg/mL), IFN-γ, and partial recovery of IL-10 suppressed by stress (PMID:28523019). In human peripheral blood lymphocytes, similar concentrations (50-400 μg/mL) over 2 days showed antioxidative protection against 50 μM H2O2-induced damage without cytotoxicity (PMID:27854198). No in vivo or human clinical trials were identified in available data.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Vitamins: Vitamin C - Phytochemicals: Ursolic Acid, Flavonoids, Volatile Oils (e.g., phthalides), Tannins
Reported Mechanism (Provisional)
Osha Root exerts its therapeutic effects primarily through its diverse bioactive compounds. E-ligustilide and terpenes contribute to anti-inflammatory actions and help reduce respiratory swelling, promoting easier breathing. Saponins provide mucolytic and antimicrobial properties, aiding in the clearance of mucus and combating pathogens, while phytosterols modulate immune system function. These compounds also demonstrate antioxidant effects by boosting enzymes like GSH, SOD, and CAT.
Clinical Narrative (Provisional)
While Osha Root has a long history of traditional use by Native Americans for respiratory, immune, and digestive support, specific human clinical trials evaluating its efficacy, safety, and optimal dosages are limited. Much of the current understanding of its benefits is derived from its traditional applications, phytochemical analysis identifying bioactive compounds, and in vitro or animal studies exploring the mechanisms of these isolated compounds. Further rigorous clinical research is needed to validate its traditional uses and establish evidence-based guidelines for its application.
Also Known As
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