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|Title:||Two glucosylated abscisic acid derivates from avocado seeds (Persea americana Mill. Lauraceae cv. Hass)|
|Author:||Del Refugio Ramos, M.|
|Abstract:||Phytochemical investigation of avocado seed material (Persea americana Mill., Lauraceae) resulted in the isolation of two glucosylated abscisic acid derivates. One of these was not known as a natural product and can be regarded as a potential 'missing link' in abscisic acid metabolism in plants. After fractionation by high-speed countercurrent chromatography, and multiple steps of column chromatography, structures were elucidated by 1D-, 2D-NMR, electrospray-MS to be the novel β-D-glucoside of (1′S,6′R)- 8′-hydroxyabscisic acid, and (1′R,3′R,5′R,8′S)- epi-dihydrophaseic acid β-D-glucoside. Absolute configuration was determined by circulardichroism, optical rotation, and by NOE experiments. © 2003 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Producción científica UdeG (prueba)|
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