Results 51 to 60 of about 9,680 (171)

Diphenyl Ether Derivative Rhexocerins and Rhexocercosporins from the Endophytic Fungus Rhexocercosporidium sp. Dzf14 Active against Gram-Positive Bacteria with Multidrug-Resistance

, 2023
Ten new diphenyl ether polyketides, including rhexocerins A–D (1–4) and rhexocercosporins A–F (5–10), together with three known congeners (11–13), were isolated from the endophytic fungus Rhexocercosporidium sp.
Jungui Dai, Gan Gu (6816935), Ligang Zhou (691920), Gan Gu, Ruya Yin (9561749), Yonglin Yang, Xiao Gong, Ruya Yin, Kui Zhu, Daowan Lai (691919), Ligang Zhou, Xiao Gong (635886), Kui Zhu (408529), Jungui Dai (610572), Daowan Lai, Yonglin Yang (8135928), Dan Xu, Dan Xu (138152)   +17 more
core   +3 more sources

Preparative isolation and purification of five steroid saponins from Dioscorea zingiberensis C.H.Wright by counter-current chromatography coupled with evaporative light scattering detector. [PDF]

J Pharm Biomed Anal, 2013
A counter-current chromatography (CCC) method was successfully applied to separate and purify steroid saponins from the traditional Chinese medicine Dioscorea zingiberensis C.H.Wright for the first time. Ethyl acetate-n-butanol-methanol-water (4:1:2:4, v/
Zhang X, Ito Y, Liang J, Su Q, Zhang Y, Liu J, Sun W.   +6 more
europepmc   +2 more sources

Characterization of steroidal saponins in crude extracts from Dioscorea zingiberensis C. H. Wright by ultra-performance liquid chromatography/electrospray ionization quadrupole time-of-flight tandem mass spectrometry

, 2010
Steroidal saponins are the major bioactive constituents of Dioscorea zingiberensis C H Wright (D zingiberensis) In this work, ultra-performance liquid chromatography/electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UPLC/Q-TOF ...
Zhu, Jingbo, Liang, Xinmiao, Guo, Xiujie, Zhang, Xiuli, Fu, Shaoping, Xinmiao Liang, Xiujie Guo, Jingbo Zhu, Shaoping Fu, Xiuli Zhang   +9 more
core   +1 more source

Ethylene treatment improves diosgenin accumulation in in vitro cultures of Dioscorea zingiberensis via up-regulation of CAS and HMGR gene expression [PDF]

, 2013
Background: The perennial medicinal herb Dioscorea zingiberensis is a very important plant used for steroid drug manufacturing for its high level of diosgenin in rhizome. Although the stimulation of diosgenin accumulation by ethylene has been reported in
He, Ji, Diarra,Sabake T, Wang, Jianbo, Li,Jiaru, Diarra, Sabake T., Wang,Jianbo, Li, Jiaru, He,Ji   +7 more
core   +1 more source

Integrated analysis of small RNA and transcriptome reveals the metabolites change induced by jasmonic acid in

Industrial Crops and Products
Dioscorea zingiberensis C. H. Wright, a significant industrial cash crop in China, is characterised by the presence of substantial quantities of steroidal saponins within its rhizomes.
Zihao Li, Shenglin Wang, Jiaqi Wei, Jie Li, Hui Chen, Lei Huang, Yingjin Huang, Qinghong Zhou, Jingyu Sun   +8 more
doaj   +1 more source

Enhancement of Diosgenin Production in Cell Culture by Oligosaccharide Elicitor from its Endophytic Fungus Dzf17

Natural Product Communications, 2009
Diosgenin accumulation in cell suspension cultures of Dioscorea zingiberensis C. H. Wright was enhanced by treatment with saccharide elicitors from its endophytic fungus Fusarium oxysporum isolate Dzf17.
Ruifen Zhang, Peiqin Li, Lijian Xu, Yuanquan Chen, Peng Sui, Ligang Zhou, Jiaru Li   +6 more
doaj   +1 more source

Enhancement of Diepoxin ζ Production by Yeast Extract and Its Fractions in Liquid Culture of Berkleasmium-Like Endophytic Fungus Dzf12 from Dioscorea zingiberensis

Molecules, 2011
This study was to examine the effects of yeast extract (YE) and its fractions (YE1 and YE2) on the growth and diepoxin ζ (a spirobisnaphthalene with a diversity of bioactivities) production in liquid culture of Berkleasmium-like endophytic fungus Dzf12 ...
Ligang Zhou, Peiqin Li, Shqiong Lu, Bingbing Zheng, Yan Li, Tijiang Shan, Yan Mou, Jianglin Zhao   +7 more
doaj   +1 more source

(Study on HPLC-ELSD fingerprint of total steroid saponins in herbs of Dioscorea zingiberensis)

, 2013
To establish a HPLC-ELSD fingerprint for total steroid saponins in herbs of Dioscorea zingiberensis. Welchrom C18 (4.6 mm x 250 mm,5 um) chromatographic column was adopted and eluted with the mobile phase of acetonitrile (A) -water (B) at the flow rate ...
Sun, Wenji, Zhao, Ye, Liang, Jinru (R18972), Zhang, Xinxin   +3 more
core   +1 more source

Beauvericin from the Endophytic Fungus, , Isolated from and Its Antibacterial Activity

Natural Product Communications, 2010
From the fungal endophyte, Fusarium redolens Dzf2, isolated from rhizomes of the Chinese medicinal plant Dioscorea zingiberensis , beauvericin was obtained by TLC in combination with bioautographic antibacterial assay.
Lijian Xu, Jihua Wang, Jianglin Zhao, Peiqin Li, Tijiang Shan, Jingguo Wang, Xiaolin Li, Ligang Zhou   +7 more
doaj   +1 more source

Preparative Separation of Spirobisnaphthalenes from Endophytic Fungus Berkleasmium sp. Dzf12 by High-Speed Counter-Current Chromatography

Molecules, 2013
High-speed counter-current chromatography (HSCCC) was applied for the first time for the preparative separation of spirobisnaphthalenes from a crude extract of the endophytic fungus Berkleasmium sp.
Ligang Zhou, Youliang Peng, Mingan Wang, Yan Mou, Chao Luo, Ruiya Luo, Shiqiong Lu, Tijiang Shan   +7 more
doaj   +1 more source