Diterpenoids and sesquiterpenoids from Euphorbia helioscopia and their neuroprotective activity [0.03%]
Euphorbia helioscopia二萜和倍半萜及其神经保护活性研究
Dong-Kun Zheng,Xue-Jin Liu,Xi Chen et al.
Dong-Kun Zheng et al.
Euphorbia helioscopia L., also known as "Zeqi" in China, has been used for decades as a traditional Chinese medicine to treat various diseases. In this study, a phytochemical investigation of the whole plant of E. helioscopia resulted in th...
Labdane-type diterpenoids from Hypoestes phyllostachya inhibit pancreatic cancer stem cells [0.03%]
假马齿草中的 labdane 类二萜通过抑制胰腺癌干细胞发挥抗肿瘤活性
Tong Yan,Lin-Fen Ding,Ya Chen et al.
Tong Yan et al.
Ten previously undescribed labdane diterpenoids, hypochins A-J (1-10), were isolated from the aerial parts of Hypoestes phyllostachya with white spots. Their structures and absolute configurations were elucidated through comprehensive spect...
Effects of exogenous GR24 on the growth and gene expression of maize seedlings under drought stress [0.03%]
外源GR24对干旱胁迫下玉米幼苗生长及基因表达的影响
Ziyan Yu,Anqi Su,Yuqi Zhang et al.
Ziyan Yu et al.
The growth and production of maize (Zea mays L.) are severely impaired by drought stress. Strigolactones (SLs), a novel class of phytohormones, play key roles in regulating plant development and adaptation to drought stress. However, little...
Immunosuppressive spirocyclic labdane diterpenoids from Holocheila longipedunculata [0.03%]
霍洛海拉长脚萼化学成分研究
Xiu-Ying Bai,Shu-Xi Jing,Ting-Ting Zhou et al.
Xiu-Ying Bai et al.
Phytochemical study on Holocheila longipedunculata has revealed twenty previously undescribed spirocyclic labdane diterpenoids, named hololabdanes (1-20). Their chemical structures were elucidated through comprehensive spectroscopic analysi...
Three rare verbascoside conjugated with iridoid glycosides and a diacylated iridoid diglycoside from Gmelina elliptica [0.03%]
Gmelina elliptica中三种罕见的Verbascoside连接的齐墩果烷类茋苷及一种二酰化的茋双糖苷成分的研究
Jedsada Maliwong,Nitirat Chimnoi,Somsak Ruchirawat et al.
Jedsada Maliwong et al.
Three rare verbascoside conjugated with iridoid glucosides linked by an ester bond, termed songmaeosides A-C (1-3), in addition to an unreported diacylated iridoid diglycoside, songmaeoside D (8), were isolated from the leaves of Gmelina el...
Cytotoxic and anticoagulative diterpenoid glycosides from Pteris decrescens [0.03%]
含抗细胞毒和抗凝血作用的二萜糖苷类化合物pterisin A和B及7个新二萜糖苷类化合物来自Pteris decrescens
Chenliang Zhao,Yaxin Yang,Abdullah Al Mamun et al.
Chenliang Zhao et al.
Diterpenoids from the genus Pteris have demonstrated consistent anticancer properties. In the present study, five previously undescribed (1-5) and four known diterpenoids (6-9) were isolated from the 95% methanol extract of P. decrescens. A...
Investigating conserved aromatic residues in ent-copalyl pyrophosphate synthases required for gibberellin phytohormone biosynthesis [0.03%]
探究松油醇焦磷酸合成酶中保守的芳香族残基及其在赤霉素植物激素生物合成中的作用
Ahmed M A A Raslan,Cody Lemke,Raymond Larsen et al.
Ahmed M A A Raslan et al.
Terpene synthases and cyclases catalyze carbocation cascade reactions, which have been hypothesized to be directed, in part, by aromatic residues via stabilization of specific intermediates through cation-π interactions towards specific pr...
Uncrossing the 'X': Characterization of alternative alleles for KSLX in Oryza [0.03%]
水稻KSLX位点的互作基因型分析
Tristan Weers,Yiling Feng,Reuben Peters
Tristan Weers
The widely cultivated Asian rice (Oryza sativa) produces a variety of physiologically relevant diterpenoid products, which range in effect from the phytohormone gibberellin, derived from ent-kaurene, to phytoalexins such as the momilactones...
Potential anti-H1N1 schitriterpenoids from Kadsura japonica L. vines [0.03%]
日本翅膜藤中抗H1N1的schitriterpenoids成分研究
Hung-Tse Huang,Chun-Tang Chiou,Yu-Chi Lin et al.
Hung-Tse Huang et al.
Lethal contagious pathogens wreak havoc on human life and the global economy, especially influenza and other respiratory pathogens, as exemplified by the enduring impact of COVID-19. This study reports that triterpenoids isolated from the s...
Tris- and tetrakis-iridoids: a review on their occurrence in plants, chemophenetic value and biological effects [0.03%]
三和四倍氢化环烯醚萜类化合物：植物中的分布、化学表型价值及其生物活性综述
Claudio Frezza,Daniela De Vita,Alessandro Venditti et al.
Claudio Frezza et al.
In this review paper, the occurrence in plants, structural variability, possible chemophenetic value and biological activities of tris- and tetrakis-iridoids were reported altogether for the first time. In particular, the exact number of th...