Polyketides from the fungus Pochonia chlamydosporia and their bioactivities [0.03%]
来自虫生真菌Pochonia chlamydosporia的聚酮及其生物活性
Si-Qiong Teng,Jiao-Xian Du,Meng-Xi Wang et al.
Si-Qiong Teng et al.
Three previously undescribed griseofulvin derivatives, namely pochonichlamydins A-C, one small polyketide, namely pochonichlamydin D, together with nine known compounds, have been isolated from cultures of the fungus Pochonia chlamydosporia...
Diverse diterpenoids from Callicarpa rubella Lindl. as natural inhibitors of macrophage foam cell formation [0.03%]
牻牛儿菌素类化合物rubellin A和B及其作为巨噬细胞泡沫细胞形成的天然抑制剂作用研究
Xue-Wen Wu,Qian-Lang Feng,Yi-Fan Xie et al.
Xue-Wen Wu et al.
Ten undescribed diterpenoids namely rubellawus E-N of structural types pimarane (1, 3-4), nor-abietane (2), nor-pimarane (5-6), isopimarane (7-9), and nor-isopimarane (10), along with eleven known compounds, were isolated and identified fro...
Prenylated-coumarins from Gmelina arborea and evaluation for neurotrophic activity [0.03%]
牻牛儿牻牛儿树素芸香素及其神经生长促进活性研究
Miwa Kubo,Ryo Irimajiri,Mitsuki Kawata et al.
Miwa Kubo et al.
A MeOH extract of the stem of Gmelina arborea Roxb. ex Sm. (Lamiaceae) exhibited neurite outgrowth-promoting activity in NGF-mediated PC12 cells. Bioassay-guided fractionation resulted in the isolation of eight previously undescribed prenyl...
Seven lower toxicity celastrol derivatives by biotransformation of Pestalotiopsis sp. LGT-1 [0.03%]
通过LGT-1转化虫漆姑孢子产生的七种低毒三叶豆紫权类化合物
Senyu Zhang,Lumei Liu,Bangwen Yue et al.
Senyu Zhang et al.
Biotransformation of toxic components by plant endophytes has become an effective method to reduce the toxicity of target compounds and discover lead compounds. In this context, an endophytic fungus, Pestalotiopsis sp. LGT-1, from Tripteryg...
Ye Zhao,Chen Hua,Yi-Ou Sha et al.
Ye Zhao et al.
Nine undescribed diterpenoids, euphlactenoids A-I (1-9), including four ingol-type diterpenoids (1-4) with a 5/3/11/3-tetracyclic framework and five ent-pimarane-type diterpenoids (5-9), together with thirteen known diterpenoids (10-22), we...
Bifusicoumarins A-D: Cytotoxic 3S-dihydroisocoumarins from the entomopathogenic fungus Cordyceps bifusispora (NBRC 108997) [0.03%]
来自昆虫病原真菌虫草属新物种双芽小立木灵草（NBRC 108997）的新的倍半萜香豆素A-D及其生物活性研究
Abdelsamed I Elshamy,Tarik A Mohamed,Tatsuro Yoneyama et al.
Abdelsamed I Elshamy et al.
Cordyceps is a genus of ascomycete fungi with some of them being edible and/or having a long tradition in Chinese medicine. The chemical characterization of a solvent extract of the entomopathogenic fungus Cordyceps bifusispora afforded fou...
Phytoalexins of the crucifer Barbarea vulgaris: Structural profile and correlation with glucosinolate turnover [0.03%]
播娘蒿PHYTOALEXIN的结构特征及其与糖硫苷代谢的相关性研究
Pablo D Cárdenas,Jonas P Landtved,Signe H Larsen et al.
Pablo D Cárdenas et al.
Phytoalexins are antimicrobial plant metabolites elicited by microbial attack or abiotic stress. We investigated phytoalexin profiles after foliar abiotic elicitation in the crucifer Barbarea vulgaris and interactions with the glucosinolate...
Grayanane diterpenoids from Craibiodendron yunnanense with anti-inflammatory and antinociceptive activities [0.03%]
具抗炎及镇痛作用的昆明荞本茋烷二萜类成分研究
Qian Li,Yan Guo,Di Wei et al.
Qian Li et al.
Twenty-five grayanane diterpenoids including six undescribed compounds (craibiodenoside A-F), were isolated from the leaves of Craibiodendron yunnanense W. W. Smith. The structures of the isolated compounds were determined by 1D-NMR, 2D-NMR...
Unifying the configuration of historical alkaloids from Borreria capitata through an extensive spectroscopic reinvestigation [0.03%]
通过广泛的光谱重新研究统一收集Borreria capitata的历史生物碱配置
Mehdi A Beniddir,Adrien Jagora,Sarah Szwarc et al.
Mehdi A Beniddir et al.
Reinvestigation of the structure of borrecapine and borreline through extensive spectroscopic analysis of their authentic samples led to the assignment of their absolute configurations. Newly acquired spectroscopic data determined that the ...
Research progress in steroidal saponins from the genus Polygonatum: Chemical components, biosynthetic pathways and pharmacological effects [0.03%]
Polygonatum属甾体皂苷的研究进展：化学成分、生物合成途径及药理活性
Chunfang Xu,Bohou Xia,Zhimin Zhang et al.
Chunfang Xu et al.
The genus Polygonatum Mill. belongs to the Liliaceae family, which is widely distributed all over the world. Modern studies have found that Polygonatum plants are very rich in chemical compounds such as saponins, polysaccharides and flavono...