Author: Yang, Xinzhou; Tang, Chunping; Zhao, Ping; Shu, Guangwen; Mei, Zhinan
Title: Antimicrobial constituents from the tubers of Bletilla ochracea. Cord-id: vj7yzmv2 Document date: 2012_1_1
ID: vj7yzmv2
Snippet: A new 2-(2-methylpropyl)butanedioic acid derivative, bletillin A ( 1), and a new bibenzyl, bletillin B ( 2), together with seventeen known compounds ( 3- 19), were isolated from the tubers of Bletilla ochracea Schltr. Their structures were established by detailed spectroscopic analyses. Phenanthrenes ( 12- 14) exhibited antibacterial activities against gram-positive bacteria Staphylococcus aureus, S. epidermidis, and Bacillus subtilis, with MIC values of 12.5-25 µg/mL.
Document: A new 2-(2-methylpropyl)butanedioic acid derivative, bletillin A ( 1), and a new bibenzyl, bletillin B ( 2), together with seventeen known compounds ( 3- 19), were isolated from the tubers of Bletilla ochracea Schltr. Their structures were established by detailed spectroscopic analyses. Phenanthrenes ( 12- 14) exhibited antibacterial activities against gram-positive bacteria Staphylococcus aureus, S. epidermidis, and Bacillus subtilis, with MIC values of 12.5-25 µg/mL.
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