Science
Mechanism of Action
This extract exerts its dermatological benefits by modulating key inflammatory pathways. It significantly inhibits the release of histamine from mast cells and suppresses the production of pro-inflammatory cytokines such as IL-6, IL-8, and TNF-α. Furthermore, it attenuates the phosphorylation of MAPKs, thereby reducing cellular inflammatory responses. Its antioxidant action stems from direct radical-scavenging capabilities and by bolstering the skin's intrinsic antioxidant enzymes, like superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px).
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Inhibition of histamine release from rat mast cells in a concentration-dependent manner, with significant effects observed at 1, 10, and 100 µg/mL.
- 02 Reduced production of inflammatory cytokines (IL-6, IL-8, TNF-α) and attenuated MAPK phosphorylation in HMC-1 cells, particularly at 10 and 100 µg/mL.
- 03 Significant anti-inflammatory effects in vivo, demonstrated by attenuation of xylene-induced auricular edema, acetic acid-induced capillary permeability, and albumen-induced paw edema in animal models.
- 04 A polysaccharide fraction (FUP-1) exhibited strong in vitro scavenging activities against hydroxyl, superoxide anion, and DPPH radicals. In vivo, FUP-1 attenuated d-gal-induced malondialdehyde (MDA) increase and restored SOD, GSH-Px, and total antioxidant capacity (T-AOC) levels.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
No specific optimal pH range for stability has been identified for cosmetic applications. The extract contains components like water-soluble polysaccharides and alkaloids, which can be extracted using various polarities (e.g., acid water, organic solvents, 60-80% alcohol), suggesting broad solubility characteristics depending on the specific active constituent form.
Conflicts
- Radix Aconiti and allied drugs (in traditional Chinese medicine context)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not specifically assessed Fritillaria Ussuriensis Bulb Extract. It is listed in the FDA Global Substance Registration System (GSRS). Related species, such as Thunberg Fritillary Bulb, have shown non-toxicity at oral doses up to 1 mg/kg body weight in sub-chronic rat toxicity studies.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Fritillaria Ussuriensis Bulb Extract is a valuable ingredient for formulations targeting sensitive, reactive skin due to its scientifically supported anti-inflammatory, anti-allergic, and antioxidant properties.
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References
Sources