Search

The article focuses on a study which determines the antibacterial stearolactone, rhizobialide, isolated from Glycyrrhiza uralensis. The endophytic rhizobium was inoculated into an Erlenmeyer flask and was mixed into a culture medium to allow fermentation and isolation of metabolite. The study explored that the occurrence of cyclodipeptide in a species of terrestrial endophytic rhizobia in licorice.

The article presents a study which examines the chemical constituents of Helianthus annuus L., an allelopathic cultivar sunflower in China. It discusses the isolation and characterization of the eight compounds from the isolated methanolic extracts of the Helianthus annuus L. leaves. It states that the leaves were collected in Wuzhong City, Ningxia Province and were identified by Mr. Z. H. Wu at Northwest Institute of Botany in Yangling, Shaanxi Province.

The article discusses the study of on Euonymus alatus' triterpenes and their cytotoxic activity. It says that the column chromatographic (CC) ethyl acetate (EtOAc) isolation of Euonymus alatus' root bark produced eight triterpenes including oleanic acid, wilforlide, and friedelin. It tells that compound 1 was characterized as white amorphous powder while compound 4 was isolated as crystal. It adds that myoblast transfer therapy (MTT) assay shows the cytotoxic activity of compounds from 1 to 8.