Size Distribution of High Weight Species in Pectin Fractions from Idared Apples
作者： DAVID O'BEIRNE , JEROME P. BUREN
DOI: 10.1111/J.1365-2621.1983.TB14848.X
关键词:
摘要: The apparent MW of two apple pectin fractions were investigated using gel permeation chromatography. Both behaved similarly on Sephadex G–200, Sepharose 6B, and Bio Gel 50m. Seventy percent galacturonic acid residues eluted in a continuous distribution the range 12.5 million to 1 Daltons. Ten lay above this range, twenty below. These high weight species (possibly aggregates) do not appear be artifacts extraction handling procedures used, may reflect an intrinsic property some pectic substances.
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