The anti-inflammatory activities of kakkalide, a major constituent of the flower of Pueraria thunbergiana, and irisolidone, a metabolite of kakkalide produced by intestinal microflora, against carrageenan-induced inflammation in air pouches on the backs of mice and in lipopolysaccharide
The microglial activation plays an important role in neurodegenerative diseases by producing several proinflammatory cytokines and nitric oxide (NO). We found that three types of isoflavones and their metabolites that are transformed by the human intestinal microflora suppress lipopolysaccharide
The flower of Pueraria lobata (family Fabaceae) has been clinically used in traditional Chinese medicine to counteract symptoms associated with drinking alcohol and liver injury and to alleviate inflammatory diseases. Its major constituent kakkalide is metabolized to irisolidone by gut microbiota.
Chemical investigation of the methanolic extract of the rhizomes of Iris germanica L. (Iridaceae) afforded two new compounds; irigenin S (7) and iriside A (12), together with ten known compounds: stigmasterol (1), a-irone (2), γ-irone (3), 3-hydroxy-5-methoxyacetophenone (4), irilone (5),
The present study describes for the first time the in vitro properties of Iris pseudopumila flowers and rhizomes extracts and their constituents. The methanolic extract of rhizomes showed significant anti-inflammatory activity through inhibition of NO production in the murine monocytic macrophage
Six known isoflavones were isolated from the rhizomes of Iris germanica, and were established by UV, MS and NMR techniques as irisolidone (1), irisolidone 7-O-alpha-D-glucoside (1a), irigenin (2), irilone (3), iriflogenin (4), and iriskashmirianin (5). These compounds were examined for their cancer
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