Search Results:　 1-17 of 17

Nomura Taiji , Ogita Shinjiro , Kato Yasuo

… We recently found that tuliposide conversion to tulipalin occurs enzymatically in tulip tissues, and the enzyme, tuliposide-converting enzyme (TCE), has been purified from tulip bulbs. … The purified enzyme preferentially accepted tuliposides as substrates, with 6-tuliposide A the best substrate, which allowed naming the enzyme 'tuliposide A-converting enzyme (TCEA)', and exhibited characteristics similar to bulb enzyme. …

植物化学調節学会研究発表記録集 (46), 113, 2011-10-03

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Shigetomi Kengo , Kishimoto Takao , Shoji Kazuaki , Ubukata Makoto

… 6-Tuliposide B, a secondary metabolite of tulip cultivars was recently revealed to have antimicrobial activity and be specifically distributed in anthers. … These observations suggest that the production of 6-tuliposide B is a novel defense strategy in tulips to protect pollens from bacterial pollution1. … To investigate the molecular property and biological activity of this natural product, we undertook total synthesis of 6-tuliposide B (1) using Baylis-Hillman (BH) reaction as a key step. …

天然有機化合物討論会講演要旨集 (49), 667-672, 2007-08-24

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Shoji Kazuaki , Ubukata Makoto , Momonoi Kazumi , Tsuji Toshiaki , Morimatsu Takashi

チューリップの葯における水抽出物に強い抗菌活性を見出した.カラムクロマトグラフィーによる精製とLC MSおよび^1H, ^<13>C NMRによる構造解析の結果, 活性本体は6チューリッポシドB(6-O-((S)-4', 5'-dihydroxy-2'methylenebutyryl) D-glucopyranose)であることが明らかになった.抗菌性の感受性検定の結果, 6-チューリ …

Journal of the Japanese Society for Horticultural Science 74(6), 469-475, 2005-11-15

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KIM ChulSa , DATTA ProbalKanti , HARA Tetsuro , ITOH Eiji , HORIIKE Michio

… 6-Tuliposide A {6-O-(4-hydroxy-α-methylenebutyryl)-D-glucopyranose} was isolated from thunberg spiraea (Spiraea thunbergii) leaves. …

Bioscience, biotechnology, and biochemistry 63(1), 152-154, 1999-01-23

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YOSHIMOTO KIMIHIRO , ITATANI YOSHITAKA , TSUDA YOSHISUKE

… This additivity rule of parameters was successfully applied to the structure elucidation of two naturally occurring acylglucose derivatives, tuliposide-A and spirarin. …

Chemical & pharmaceutical bulletin 28(7), 2065-2076, 1980-07-25

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