Smilacaceae

Isoengeletin is a flavonoid that can be isolated from the roots of Smilax bockii warb. Isoengeletin can be used as an active compound for the research of psoriasis, hyperuricemia and gout.

Butyl caffeate (Caffeic acid butyl ester) is a caffeic acid derivative with antioxidant activity and lipophilicity (DPPH IC₅₀ = 14.1 μM). Butyl caffeate protects neuronal PC12 cells against oxidative stress. Butyl caffeate can be used for oxidative stress related and neurodegenerative diseases research.

Smilaxchinoside A is an orally active steroidal glycoside found in the roots of S. riparia. Smilaxchinoside A reduces serum uric acid levels and shows potent uricosuric activity. Smilaxchinoside A inhibits XOD activity and downregulates renal mURAT1 expression. Smilaxchinoside A can be used for the research of hyperuricemia.

4''-O-Acetylastilbin (Compound 3) is a flavonoid. 4''-O-Acetylastilbin can be extracted from Rhizomes of S. corbularia.

Cinchonain IIa is an antioxidant agent with EC₅₀s of 6.8 μM and 26.5 μM for DPPH and PMS-NADH.

(7S,8R)-4,9,9'-Trihydroxy-3,3',5-trimethoxy-8,4'-oxyneolignan 4-O-β-D-glucopyranoside (5) is a lignan compound that can be isolated from Smilax trinervula.