2 PECTIC POLYSACCHARIDES FROM KIWIFRUIT CELL-WALLS

被引:13
|
作者
DAWSON, DM [1 ]
MELTON, LD [1 ]
机构
[1] UNIV OTAGO, DEPT FOOD SCI, DUNEDIN, NEW ZEALAND
关键词
D O I
10.1016/0144-8617(91)90015-5
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
From kiwifruit cell wall material treated with endopolygalacturonase, two polysaccharide fractions were isolated and purified using ion-exchange and gel-filtration chromatography. One of the fractions was shown to be a polysaccharide composed of 32% galacturonic acid, 15% rhamnose, 18% arabinose, and 35% galactose. This polysaccharide is considered to be a rhamnogalacturonan-type polysaccharide, probably rhamnogalacturonan I. The second fraction, of lower molecular weight, was a homogalacturonan composed of 81% galacturonic acid, 6.7% glucose, 2.8% mannose, 1.7% arabinose and 0.5% fucose.
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页码:1 / 11
页数:11
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