Fu, Jiantao;Zhao, Xu;Wang, Lanying;Zhang, Yunfei;Luo, Yanping published 《Antioxidant Activities and Allelopathic Potential of Chonemorpha splendens Chun et Tsiang Stem Methanol Extract》 in 2022. The article was appeared in 《Chemistry & Biodiversity》. They have made some progress in their research.Recommanded Product: 2425-77-6 The article mentions the following:
Finding agriculturally active compounds from nature or finding active lead compounds from natural products, artificial synthesis and structural modification are the main ways to create new agrochem. In order to explore the agricultural activities of Chonemorpha splendens Chun et Tsiang (C. splendens), an important medicinal plant, the antioxidant activities and allelopathic potential were investigated. C. splendens was extracted with methanol, then, C. splendens methanol extract (CSME) were extracted with petroleum ether, chloroform, Et acetate and butanol. Reducing activity, lipid peroxidation, and the scavenging abilities for DPPH·, O2-., HO·, and H2O2 were also measured and allelopathic potentials were evaluated by bioassay method. GC/MS anal. revealed that esters were the main component (66.34 %) of CSME, the total CSME flavonoid content was 313 mg g-1 (rutin equivalent). The chloroform phase of CSME was identified as stigmasterol by NMR for the first time. The DPPH· scavenging rate of CSME was 87 %, with an IC50 value of 0.12±0.02 mg mL-1, which was significantly difference from the pos. control, Trolox. Chloroform fraction showed the strongest inhibitory effect against Mimosa pudica (MP) seed germination at 1.0 mg mL-1 (100 % inhibition), which was better than that of the chem. herbicide paraquat. In the seed growth experiment, systematic EC50 and the principal component anal. (PCA) were used to assess the allelopathic potential of extracts The systematic EC50 values of Crotalaria pallida Ait. (CP), Bidens pilosa L. (BP) were significantly greater than MP. MP, Oryza sativa L. (OS) and Lactuca satiua L., (LS) inhibited all parameters. Our results would provide an idea for controlling weeds through allelopathy from C. splendens to reduce dependency on synthetic herbicides. The experimental procedure involved many compounds, such as 2-Hexyl-1-decanol (cas: 2425-77-6) .
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