Discovery of Michael reaction acceptors from the leaves of Ailanthus altissima by a modified tactic [0.03%]
一种改良方法发现noxiously叶子中的迈克尔加成受体化合物
Zhi-Kang Duan,Shan-Shan Guo,Li Ye et al.
Zhi-Kang Duan et al.
Structural characteristics-guided investigation of Ailanthus altissima (Mill.) Swingle resulted in the isolation and identification of seven undescribed potential Michael reaction acceptors (1-7). Ailanlactone A (1) possesses an unusual 1,7...
Synthetic and analytical routes to the L-amino acid conjugates of cis-OPDA and their identification and quantification in plants [0.03%]
L-氨基酸与顺式OPDA连接物的合成和分析通路及其在植物中的鉴定和定量研究
Václav Mik,Tomáš Pospíšil,Federica Brunoni et al.
Václav Mik et al.
Cis-(+)-12-oxophytodienoic acid (cis-(+)-OPDA) is a bioactive jasmonate, a precursor of jasmonic acid, which also displays signaling activity on its own. Modulation of cis-(+)-OPDA actions may be carried out via biotransformation leading to...
Defensive furofuran lignans localized to the oil cells of Neocinnamomum delavayi and their metabolism by a specialist insect [0.03%]
分布于云南肉桂油细胞中的防御型菲呋喃木脂素及其在一种专性昆虫体内的代谢产物研究
Min-Jie Yang,Shi-Hong Luo,Yan Liu et al.
Min-Jie Yang et al.
Neocinnamomum delavayi (Lauraceae) leaves with abundant oil cells are seldom attacked by insects, but their chemical constituent and biological function remain obscure. Three furofuran lignans, including (+)-eudesmin (3), (+)-magnolin (4), ...
Cytotoxic triterpenoid saponins from the root of Olax subscorpioidea Oliv. (Olacaceae) [0.03%]
奥拉克属植物奥拉克细蝎子根的细胞毒三萜皂苷成分研究
Yemi A Adekunle,Babatunde B Samuel,Lutfun Nahar et al.
Yemi A Adekunle et al.
Bioactivity-guided phytochemical fractionation of the methanol extract of Olax subscorpioidea root has led to the isolation of six triterpenes. Three of these compounds are previously undescribed triterpenoid saponins: oleanolic acid 3-O-[...
Monoterpenoids from the root bark of Acanthopanax gracilistylus and their inhibitory effects on neutrophil elastase, 5-lipoxygenase, andcyclooxygenase-2 in vitro [0.03%]
粗毛甜茶根皮中的单萜类成分及其体外抑制弹性蛋白酶、白三烯合酶和环氧酶作用的研究
Hao-Dong Yang,Zhi-Shu Tang,Tao-Tao Xue et al.
Hao-Dong Yang et al.
Twenty-four monoterpenoids, including three previously undescribed compounds (1-3), were isolated from the root bark of Acanthopanax gracilistylus W. W. Smith (Acanthopanacis Cortex). Their structures were unambiguously established based on...
Unusual acetylated flavonol glucuronides, oxyphyllvonides A-H with renoprotective activities from the fruits of Alpinae oxyphylla [0.03%]
异瑞香果中的六种罕见的乙酰化黄酮醇糖醛酸苷及其肾保护活性
Yue-Tong Zhu,Hong-Bin Fang,Xiao-Ning Liu et al.
Yue-Tong Zhu et al.
As a widely consumed spice and Traditional Chinese Medicine, Alpinae oxyphylla has been used to treat conditions such as diarrhea, ulcers, dementia, and enuresis. Fruits of A. oxyphylla were phytochemically studied and the bioactive constit...
Liver protecting effects and molecular mechanisms of icariin and its metabolites [0.03%]
淫羊藿苷和其代谢产物的保肝作用及机制研究
Yurong Ma,Chong Zhao,Hongbo Hu et al.
Yurong Ma et al.
As a detoxification and metabolism organ, the liver plays a vital role in human health. However, an excessive consumption of drugs and toxins, exposure to pathogenic viruses, and unhealthy living habits can lead to liver damage, which may e...
Cloning and characterization of NADPH-dependent double-bond reductases from Alnus sieboldiana that recognize linear diarylheptanoids as substrates [0.03%]
来源于拟赤杨的以茋类化合物为底物的NADPH依赖型双键还原酶的克隆与鉴定
Konosuke Takemoto,Akiho Tsurugi-Sakurada,Ryota Moriuchi et al.
Konosuke Takemoto et al.
Diarylheptanoids are secondary metabolites of plants that comprise a C6-C7-C6 scaffold. They can be broadly classified into linear-type and cyclic-type diarylheptanoids based on their chemical structures. Actinorhizal trees, such as Casuari...
Seco-iridoid glycosides from the Gentiana olivieri Griseb and their bioactivities [0.03%]
格氏 Gentiana olivieri Griseb 的塞可黄酮苷及其生物活性
Reyilan Maituoheti,Ruxianguli Rouzimaimaiti,Dan Tang et al.
Reyilan Maituoheti et al.
The ethanol extract of the Gentiana olivieri Griseb plant was subjected to an investigation to ascertain the presence of its iridoid constituents. By means of HPLC and TLC monitoring, a total of thirteen previously unreported seco-iridoid g...
Allelopathic studies with furanocoumarins isolated from Ducrosia anethifolia. In vitro and in silico investigations to protect legumes, rice and grain crops [0.03%]
从杜克罗西亚属植物中分离出的香豆素类化合物的化感作用研究及体内外实验和计算机模拟保护豆科、稻科和麦类作物试验研究
Francisco J Rodríguez-Mejías,Javad Mottaghipisheh,Stefan Schwaiger et al.
Francisco J Rodríguez-Mejías et al.
Six different furanocoumarins were isolated from the aerial parts of Ducrosia anethifolia and tested in vitro for plant cell elongation in etiolated wheat coleoptile. They were also tested for their ability to control three different weeds:...