Biosynthesis of mangiferin in Anemarrhena asphodeloides Bunge. I. The origin of the xanthone nucleus.
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Phenylalanine-1-14C, -2-14C and -3-14C, and malonic acid-2-14C were efficiently incorporated into mangiferin (1) in Anemarrhena asphodeloides. In the case of feeding with phenylalanine-1-14C, -2-14C and malonic acid-2-14C, the radioactivity of 1 was localized in the phloroglucinol ring. Furthermore, cinnamic acid-3-14C and p-coumaric acid-2-14C were also incorporated into 1 and isomangiferin (2), but benzoic acid-, p-hydroxybenzoic acid-and protocatechuic acid-(carboxyl-14C) were essentially not incorporated into 1 or 2. In addition to the above data, doubly labelled p-coumaric acid was incorporated into 1 without change of the T/14C ratio. These results show that the aglycone of 1 and 2 was biosynthesized from p-coumarate (C6-C3) and two malonates (C4).
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 28 (8), 2476-2481, 1980
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282679142699904
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- NII論文ID
- 110003624048
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- NII書誌ID
- AA00602100
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- COI
- 1:CAS:528:DyaL3cXmtFOqtbo%3D
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- ISSN
- 13475223
- 00092363
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可