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Fermentation technology was used to prepare the acaí (Euterpe oleracea) fermentation liquid. The optimal fermentation parameters included a strain ratio of Lactobacillus paracasei: Leuconostoc mesenteroides: Lactobacillus plantarum = 0.5:1:1.5, a fermentation time of 6 days, and a nitrogen source supplemental level of 2.5%. In optimal conditions, the ORAC value of the fermentation liquid reached the highest value of 273.28 ± 6.55 μmol/L Trolox, which was 55.85% higher than the raw liquid. In addition, the FRAP value of the acaí, as well as its scavenging ability of DPPH, hydroxyl, and ABTS free radicals, increased after fermentation. Furthermore, after fermentation treatment, the microstructure, basic physicochemical composition, amino acid composition, γ‐aminobutyric acid, a variety of volatile components, and so on have changed. Therefore, fermentation treatment can significantly improve the nutritional value and flavor of the acaí. This provides a theoretical basis for the comprehensive utilization of acaí. [ABSTRACT FROM AUTHOR]

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.