Two new oleanane triterpene saponins, named as anhuienside C (1) and D (2), were isolated from the rhizomes of Anemone anhuiensis (Ranunculaceae). The structures of the new compounds were elucidated as 3-O-alpha-L-rha...Two new oleanane triterpene saponins, named as anhuienside C (1) and D (2), were isolated from the rhizomes of Anemone anhuiensis (Ranunculaceae). The structures of the new compounds were elucidated as 3-O-alpha-L-rhamnopyranosyl (1-->2)-beta-D-xylopyranosyl oleanolic acid 28-O-beta-D-glucopyranosyl (1-->6)-beta-D-glucopyranosyl ester (1) and 3-O-beta-D-xylopyranosyl oleanolic acid 28-O-alpha-L-rhamnopyranosyl (1-->4)-beta-D-glucopyranosyl (1-->6)-beta-D-glucopyranosyl ester (2), respectively.展开更多
A new species of the genus Tylototriton is described,from Yuexi county,Anhui province,in the south of the Dabie Mountains.It is based on morphological and molecular analysis.The new species is identified as belonging ...A new species of the genus Tylototriton is described,from Yuexi county,Anhui province,in the south of the Dabie Mountains.It is based on morphological and molecular analysis.The new species is identified as belonging to the Tylototriton asperrimus group and shares a number of similarities with T.wenxianensis,T.broadoridgus and T.dabienicus.The diagnostic characteristics of the new species are as follows: the head length is greater than the width of the head; bony ridges on the head are prominent and necked-in; the distal digit ends,ventral digits,peripheral area of the cloaca and the tail's lower edge are orange.The result from the molecular analysis of the genus Tylototriton(including the type specimen of the new species) based on three mitochondrial genes(ND1,ND2 and CYTB) indicated that the new species was close to T.wenxianensis,T.dabienicus,and T.broadoridgus,but formed an independent clade.This result was consistent with the morphological analysis above,which supports the theory that the population distributed in the south of the Dabie Mountains,namely in from Yuexi county,Anhui province,represented a distinct species,Tylototriton anhuiensis sp.nov.展开更多
安徽麝鼩(Crocidura anhuiensis)隶属劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae)麝鼩属(Crocidura),由Zhang等(2019)根据采集于安徽黄山的麝鼩标本首次进行描述,其模式产地为中国安徽黄山(Zhang et al.,2019)。目前,该物种在安徽黄山...安徽麝鼩(Crocidura anhuiensis)隶属劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae)麝鼩属(Crocidura),由Zhang等(2019)根据采集于安徽黄山的麝鼩标本首次进行描述,其模式产地为中国安徽黄山(Zhang et al.,2019)。目前,该物种在安徽黄山、清凉峰以及江西武夷山均有发现(魏辅文等,2021;裴枭鑫等,2022;胡江晓等,2023)。展开更多
麝鼩属(Crocidura)隶属于哺乳纲(Mammals)劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae),广泛分布于亚洲、欧洲和非洲。麝鼩属是哺乳动物中物种最多的属,已记录有198个物种(Wilson and Mittermeier,2018)。麝鼩属物种体型较小、形态保守,...麝鼩属(Crocidura)隶属于哺乳纲(Mammals)劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae),广泛分布于亚洲、欧洲和非洲。麝鼩属是哺乳动物中物种最多的属,已记录有198个物种(Wilson and Mittermeier,2018)。麝鼩属物种体型较小、形态保守,属内多个物种的分类和分布存在较大争议。我国麝鼩属物种丰富,目前记录有14种麝鼩在我国分布(魏辅文等,2021)。展开更多
目的 :对安徽银莲花根茎的化学成分进行分离、鉴定。方法 :大孔树脂柱、硅胶柱和ODS柱色谱分离 ,FAB MS和NMR技术确定结构。结果和结论 :分离鉴定了 3个化合物 ,齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) ...目的 :对安徽银莲花根茎的化学成分进行分离、鉴定。方法 :大孔树脂柱、硅胶柱和ODS柱色谱分离 ,FAB MS和NMR技术确定结构。结果和结论 :分离鉴定了 3个化合物 ,齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷 ;3 O α L 吡喃鼠李糖 (1→ 2 ) β D 吡喃木糖齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷和 3 O β D 吡喃葡萄糖 (1→ 2 ) β D 吡喃木糖齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷 ;展开更多
文摘Two new oleanane triterpene saponins, named as anhuienside C (1) and D (2), were isolated from the rhizomes of Anemone anhuiensis (Ranunculaceae). The structures of the new compounds were elucidated as 3-O-alpha-L-rhamnopyranosyl (1-->2)-beta-D-xylopyranosyl oleanolic acid 28-O-beta-D-glucopyranosyl (1-->6)-beta-D-glucopyranosyl ester (1) and 3-O-beta-D-xylopyranosyl oleanolic acid 28-O-alpha-L-rhamnopyranosyl (1-->4)-beta-D-glucopyranosyl (1-->6)-beta-D-glucopyranosyl ester (2), respectively.
基金partly supported by the Graduate Student Academic Innovation Research Project of Anhui University(yqh100101)the National Key Research and Development Programme(2016YFC1200700)
文摘A new species of the genus Tylototriton is described,from Yuexi county,Anhui province,in the south of the Dabie Mountains.It is based on morphological and molecular analysis.The new species is identified as belonging to the Tylototriton asperrimus group and shares a number of similarities with T.wenxianensis,T.broadoridgus and T.dabienicus.The diagnostic characteristics of the new species are as follows: the head length is greater than the width of the head; bony ridges on the head are prominent and necked-in; the distal digit ends,ventral digits,peripheral area of the cloaca and the tail's lower edge are orange.The result from the molecular analysis of the genus Tylototriton(including the type specimen of the new species) based on three mitochondrial genes(ND1,ND2 and CYTB) indicated that the new species was close to T.wenxianensis,T.dabienicus,and T.broadoridgus,but formed an independent clade.This result was consistent with the morphological analysis above,which supports the theory that the population distributed in the south of the Dabie Mountains,namely in from Yuexi county,Anhui province,represented a distinct species,Tylototriton anhuiensis sp.nov.
文摘安徽麝鼩(Crocidura anhuiensis)隶属劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae)麝鼩属(Crocidura),由Zhang等(2019)根据采集于安徽黄山的麝鼩标本首次进行描述,其模式产地为中国安徽黄山(Zhang et al.,2019)。目前,该物种在安徽黄山、清凉峰以及江西武夷山均有发现(魏辅文等,2021;裴枭鑫等,2022;胡江晓等,2023)。
文摘麝鼩属(Crocidura)隶属于哺乳纲(Mammals)劳亚食虫目(Eulipotyphla)鼩鼱科(Soricidae),广泛分布于亚洲、欧洲和非洲。麝鼩属是哺乳动物中物种最多的属,已记录有198个物种(Wilson and Mittermeier,2018)。麝鼩属物种体型较小、形态保守,属内多个物种的分类和分布存在较大争议。我国麝鼩属物种丰富,目前记录有14种麝鼩在我国分布(魏辅文等,2021)。
文摘目的 :对安徽银莲花根茎的化学成分进行分离、鉴定。方法 :大孔树脂柱、硅胶柱和ODS柱色谱分离 ,FAB MS和NMR技术确定结构。结果和结论 :分离鉴定了 3个化合物 ,齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷 ;3 O α L 吡喃鼠李糖 (1→ 2 ) β D 吡喃木糖齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷和 3 O β D 吡喃葡萄糖 (1→ 2 ) β D 吡喃木糖齐墩果酸 2 8 O α L 吡喃鼠李糖 (1→ 4) β D 吡喃葡萄糖 (1→ 6 ) β D 吡喃葡萄糖酯苷 ;