三种与环烯醚萜苷缀合的稀有毛蕊花苷和一种二酰化环烯醚萜二糖苷

IF 3.4 2区生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Phytochemistry Pub Date : 2025-08-20 DOI:10.1016/j.phytochem.2025.114649

Jedsada Maliwong , Nitirat Chimnoi , Somsak Ruchirawat , Tripetch Kanchanapoom

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引用次数: 0

摘要

从短叶草（Gmelina elliptica）的叶片中分离到三种罕见的与环烯醚萜糖苷结合的毛蕊花苷A-C(1-3)，以及一种未报道的二酰基化环烯醚萜糖苷D(8)。此外，还分离到原核苷(4)、6-α- l-（2 -咖啡因基）-鼠李糖核苷(5)、糖苷(6)、scorodioside(7)、毛蕊花糖苷(9)、丁香苷a3′-α-l-鼠李糖核苷（10）、异花糖苷（11）、红糖糖苷F2（12）和丝光糖苷（13）。通过酯链从该物种中分离出与环烯醚萜苷缀合的毛蕊花苷在植物来源中是罕见的现象。早在1993年，凤尾草苷就被记录为这门课的第一种化学物质。这项研究揭示了这类化合物近30年来未发表的新发现。

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Three rare verbascoside conjugated with iridoid glycosides and a diacylated iridoid diglycoside from Gmelina elliptica

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Three rare verbascoside conjugated with iridoid glycosides and a diacylated iridoid diglycoside from Gmelina elliptica

Three rare verbascoside conjugated with iridoid glucosides linked by an ester bond, termed songmaeosides A-C (1–3), in addition to an unreported diacylated iridoid diglycoside, songmaeoside D (8), were isolated from the leaves of Gmelina elliptica. Additionally, premcoryoside (4), 6-α-L-(2ʺ-caffeoyl)-rhamnopyranosylcatalpol (5), saccatoside (6), scorodioside (7), verbascoside (9), syringalide A 3ʹ-α-l-rhamnopyranoside (10), isoverbascoside (11), icariside F₂ (12), and sericoside (13) were also isolated. The isolation of verbascoside conjugated with iridoid glucosides through an ester linkage from this species is an uncommon phenomenon in plant sources. Premcoryoside was the first chemical recorded for this class in 1993. This study reveals a new discovery on this class of compounds, which has remained unpublished for almost 30 years.

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来源期刊

Phytochemistry 生物-植物科学

CiteScore

6.40

自引率

7.90%

发文量

443

审稿时长

39 days

期刊介绍： Phytochemistry is a leading international journal publishing studies of plant chemistry, biochemistry, molecular biology and genetics, structure and bioactivities of phytochemicals, including ''-omics'' and bioinformatics/computational biology approaches. Phytochemistry is a primary source for papers dealing with phytochemicals, especially reports concerning their biosynthesis, regulation, and biological properties both in planta and as bioactive principles. Articles are published online as soon as possible as Articles-in-Press and in 12 volumes per year. Occasional topic-focussed special issues are published composed of papers from invited authors.