期刊
JOURNAL OF NATURAL PRODUCTS
卷 69, 期 4, 页码 658-661出版社
AMER CHEMICAL SOC
DOI: 10.1021/np058043m
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Three exopolysaccharides, EPS( 1), EPS( 2), and EPS( 3), were isolated from suspension-cultured cells of tomato ( Lycopersicon esculentum, var. San Marzano). The partial primary structures were determined on the basis of spectroscopic analyses. EPS( 2) was a heteropolysaccharide with a tetrasaccharide repeating unit constituted by sugars having one residue in alpha-manno, one residue in beta-manno, and two different residues in beta-gluco/galacto configurations. EPS(3) was a heteropolysaccharide with a pentasaccharide repeating unit with sugars having three residues in alpha-manno, one residue in alpha-gluco/galacto, and one residue in beta-gluco/galacto configurations. The anticytotoxic activities of exopolysaccharides were tested in a brine shrimp bioassay.
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