Phytochemical characterization of the Chinese endemic species Stemona mairei and five other Stemona species
Chen, Gao1; Brecker, Lothar2; Sandler, Katharina Maria3; Cai, Xiang-Hai4; Kongkiatpaiboon, Sumet5; Valant-Vetschera, Karin3; Schinnerl, Johann3
2018-12-01
Source PublicationPHYTOCHEMISTRY LETTERS
ISSN1874-3900
Volume28Pages:168-173
Abstract

Comparative HPLC-PDA analyses of methanolic root extracts of the almost unstudied Chinese endemic species Stemona mairei, collected from nine locations throughout its natural habitat in northern Yunnan, led to the identification of the pyrrolo [1,2-alpha] azepine-type alkaloid protostemonine (1) as the main alkaloid and 3,4-dehydro-delta-tocopherol (9) as the main tocopherol derivative. Analysis of the five further Chinese Stemona species S. sessilifolia, S. japonica, S. parviflora and S. shandongensis, collected in adjacent locations, resulted in identification of eight Stemona alkaloids, with seven of them possibly derived from 1. Additionally, the presence of three tocopherols was confirmed co-chromatographically with authentic samples. From S. shandongensis, the alkaloids stemocochinin (7) and croomine (8) were isolated and their structures confirmed by NMR and MS analyses. Additionally, the quantitative content of protostemonine (1) and the tocopherols 9 and 10 present in extracts were assessed. Concerning the tocopherols, S. mairei differs by the occurrence of chromenol derivatives from the other species which accumulate both chromenol and chromanol derivatives. Furthermore, the root extracts of S. mairei exhibited nematicidal activities against Panagrellus redivivus. These results are briefly discussed in a biological and chemotaxonomic context, respectively.

KeywordStemona Mairei Stemona Shandongensis Protostemonine Stemocochinin Stemonaceae Tocopherols
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/63235
Collection植物化学与西部植物资源持续利用国家重点实验室
Corresponding AuthorSchinnerl, Johann
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Univ Vienna, Dept Organ Chem, Wahringer Str 38, A-1090 Vienna, Austria
3.Univ Vienna, Div Systemat & Evolutionary Bot, Chemodivers Res Grp, Rennweg 14, A-1030 Vienna, Austria
4.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
5.Thammasat Univ, Drug Discovery & Dev Ctr, Rangsit Campus, Pathum Thani 12121, Thailand
Recommended Citation
GB/T 7714
Chen, Gao,Brecker, Lothar,Sandler, Katharina Maria,et al. Phytochemical characterization of the Chinese endemic species Stemona mairei and five other Stemona species[J]. PHYTOCHEMISTRY LETTERS,2018,28:168-173.
APA Chen, Gao.,Brecker, Lothar.,Sandler, Katharina Maria.,Cai, Xiang-Hai.,Kongkiatpaiboon, Sumet.,...&Schinnerl, Johann.(2018).Phytochemical characterization of the Chinese endemic species Stemona mairei and five other Stemona species.PHYTOCHEMISTRY LETTERS,28,168-173.
MLA Chen, Gao,et al."Phytochemical characterization of the Chinese endemic species Stemona mairei and five other Stemona species".PHYTOCHEMISTRY LETTERS 28(2018):168-173.
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