Lina Zheng,Xinyue Liu,Jinghui Wu et al.
Lina Zheng et al.
Twenty-two coumarins, including seven previously undescribed compounds, which comprised a pair of enantiomers (2a/2b) and five other compounds (1, 3-6), were isolated from the whole plant of Tridax procumbens L. Their structures were identi...
Quantitative analysis of 7-hydroxymitragynine in commercial kratom products and its stability under chemical and physiological conditions [0.03%]
商业化 kratom产品中7-羟基弥喃豆烷生物碱定量分析及其在化学和生理条件下的稳定性研究
Bharathi Avula,Syed Kashif Ali,Kiran K Tatapudi et al.
Bharathi Avula et al.
7-Hydroxymitragynine (7-OH), a minor alkaloid in kratom (Mitragyna speciosa (Korth.) Havil.) (Rubiaceae) and an active metabolite of mitragynine, is a critical transient precursor to mitragynine pseudoindoxyl, which exhibits >2-fold μ-opio...
Exploration of the rare 5/6/7-fused diterpenoids with anti-hypertrophy activity from Strophioblachia glandulosa via bioactivity-guided strategy [0.03%]
活性导向从戟叶石松中研究罕见的五六七元环二萜类抗心室重构成分
Xue-Wen Wu,Hong-Ye Zhang,Yu Qin et al.
Xue-Wen Wu et al.
Bioactivity-guided strategy led to the isolation of seven previously undescribed diterpenoids (1, 2, 4-6, 11-12) and five known ones (3, 7-10) from the whole plant of Strophioblachia glandulosa. The structures were elucidated by comprehensi...
Anti-rheumatoid arthritis sesquiterpenoids from the roots of Lindera glauca [0.03%]
光叶木兰属植物的抗类风湿关节炎序烷烃类化合物分离提纯与结构鉴定
Siqi Li,Jiacheng Weng,Gang Li et al.
Siqi Li et al.
Lindera glauca (Siebold et Zucc.) Blume, a traditional medicinal plant used to treat rheumatoid arthritis (RA) in China, requires the effective characterization of its active components. Chemical investigation on the roots of L. glauca led ...
SUPERROOT1 is not the only C-S lyase capable to contribute to glucosinolate biosynthesis in Arabidopsis thaliana [0.03%]
拟南芥中的SUPERROOT1不是唯一一种能够贡献糖基异硫氰酸盐生物合成的C-S裂解酶
Mariola Piślewska-Bednarek,Paweł Czerniawski,Sylwia Kuczewska et al.
Mariola Piślewska-Bednarek et al.
Glucosinolates (GLs) are sulphur-containing specialized metabolites from plants representing the Brassicales order. They can be derived from several amino acids through a complex biosynthetic pathway. The majority of steps on this pathway i...
Clerodane diterpenes lactones, alkaloids, and furan derivatives with hepatoprotective activity isolated from the tuberous root of Paratinospora sagittata (Oliv.) Wei Wang [0.03%]
从戟形海角草块根中分离得到的保肝活性 clerodane 二萜内酯、生物碱和呋喃类衍生物
Junhua Sun,Hongqing Wang,Zhanrong Zhou et al.
Junhua Sun et al.
Phytochemical studies on the tuberous root of Paratinospora sagittata (Oliv.) Wei Wang led to the isolation of nine previously undescribed compounds (1-5 and 7-10), and an undescribed natural product (6), including two clerodane diterpenoid...
Undescribed triterpenoid ellagitannins from Castanopsis calathiformis and their potential antiproliferative and hypoglycemic activity [0.03%]
Castanopsis calathiformis 中未知三萜类ellytanins的鉴定及其潜在的抗增殖和降血糖活性
Ya-Feng Wang,Ying-Rong Bao,Rui-Jie He et al.
Ya-Feng Wang et al.
Triterpenoid ellagitannins containing diphenoyl moiety were endemic to Castanopsis. Nine triterpenoid ellagitannins, namely six undescribed triterpenoid ellagitannins (1-6) and three known analogues 23,24-di-O-galloyl-2α,3β,23,24-tetrahyd...
Tolypaxillines A-J: indole diterpenoids with neuroprotective activities from a soil-derived fungus Tolypocladium album DWS131 [0.03%]
(tolypaxillines A-j)：来自土壤真菌tolypocladium album dws131的具有神经保护作用的吲哚二萜类化合物
Yu-Fen Tan,Xing-Yi Chen,Chao Wang et al.
Yu-Fen Tan et al.
Ten previously undescribed indole diterpenoids, tolypaxillines A-J, were isolated from a culture of the soil-derived fungus Tolypocladium album DWS131, along with six known analogs. Their structures were determined by 1D/2D NMR, HRESIMS, el...
Guaiane-type sesquiterpenoids with acetylcholinesterase inhibitory activities from the roots of Stellera chamaejasme [0.03%]
星毛菊叶花属植物根的抗乙酰胆碱酯酶活性成分研究
Cheng-Yu Chu,Xuan Liu,Si-Hui Mi et al.
Cheng-Yu Chu et al.
Phytochemical investigation on the roots of Stellera chamaejasme Linn. led to the isolation of twelve undescribed guaiane-type sesquiterpenoids (1-12). Their chemical structures were determined by a comprehensive analysis of spectroscopic d...
Iridoids from the edible flowers of Rhododendron pachypodum: structural elucidation and healthspan related bioactivities in Caenorhabditis elegans [0.03%]
Rhododendron pachypodum食用花中的茋类化合物：结构鉴定及其改善健康寿命的活性研究
Ying Wang,Hou-Run Zhang,Jie Luan et al.
Ying Wang et al.
Rhododendron pachypodum flowers are traditionally consumed by ethnic minorities in Yunnan as seasonal edible flowers, yet their bioactive iridoid constituents and associated biological activities remain underexplored. This study characteriz...