The occurrence and taxonomic distribution of the anthrones aloin, aloinoside and microdontin in Aloe [0.03%]
存在于虎杖属植物中的蒽酮类化合物 Aloin、Aloinoside 和 Microdontin 的产生及其分类学分布
AM Viljoen,BV Wyk,LE Newton
AM Viljoen
A chemotaxonomic survey of 380 species of Aloe indicated the presence of the anthrone isomers aloin A and B together with the aloinoside isomers and microdontin A and B in 36 (10%) species of Aloe. This group, referred to as the microdontin...
Variation of diastereoisomeric pyrrolizidine alkaloids in Pleurothallis (Orchidaceae) [0.03%]
兰科舌唇兰属中一对映体二氢吡咯里西啶生物碱的变异
EL Borba,JR Trigo,J Semir
EL Borba
The alkaloids of leaves and flowers of 18 populations of four Pleurothallis (Orchidaceae) species were characterized. Both leaves and flowers of individuals from all populations have two diasteroisomers of 1-hydroxymethylpyrrolizidine (RI=1...
Genetic divergence between three sea urchin species of the genus Strongylocentrotus from the Sea of Japan [0.03%]
日本海三种Strongylocentrotus属海胆的遗传分化
GP Manchenko,SN Yakovlev
GP Manchenko
Intraspecific allozymic variation and interspecific genetic divergence were studied in three sea urchin species of the genus Strongylocentrotus (S. intermedius, S. nudus, S. pallidus) from the Sea of Japan. S. pallidus and S. intermedius sh...
Biochemical genetic markers to identify two morphologically similar South African Mastomys species (Rodentia: Muridae) [0.03%]
生化遗传标志物用于识别两种形态相似的南非Mastomys物种(啮齿目鼠科)
A Smit,van der Bank H,T Falk et al.
A Smit et al.
The two common southern African mice species (Mastomys coucha and M. natalensis) are morphologically almost identical, making field identification impossible at present. Specimens from two localities were collected and tissue and blood samp...
Character coding of secondary chemical variation for use in phylogenetic analyses [0.03%]
用于谱系分析的二级化学变化字符编码
TJ Barkman
TJ Barkman
A coding procedure is presented for secondary chemical data whereby putative biogenetic pathways are coded as phylogenetic characters with enzymatic conversions between compounds representing the corresponding character states. A character ...
MA Mosaddik,Ekramul Haque M,Abdur Rashid M
MA Mosaddik
S-(+)-methyl ester of hanishin from the marine sponge Agelas ceylonica [0.03%]
采自海生海绵阿伽利斯珊瑚中的(S-(+))-甲基汉碱素酯
Srinivasa Reddy N,Y Venkateswarlu
Srinivasa Reddy N
M Bertrand,F Tillequin,F Bailleul
M Bertrand
Two lactoylate flavonoids, luteolin-7-lactate and luteolin-7-glucosyl-lactate were isolated from Ballota nigra. They should be used for the chemical standardization of this drug of medicinal interest.
D Prasad,G Pant,MS Rawat et al.
D Prasad et al.
Occurrence of the antifeedant 14,15-dihydroajugapitin in the aerial parts of Ajuga iva from Algeria [0.03%]
来源于阿尔及利亚的Ajuga iva全草中的抗食虫化合物14,15-二氢天名精的发现
ML Bondì,MR Al-Hillo,K Lamara et al.
ML Bondì et al.