水溶性糖酸。;Water soluble sugar acid.;有酸味。对湿敏感。能还原斐林氏溶液。其水溶液不稳定,易形成内酯。溶于水和乙醇。;The level of carbohydrates in a sample of alginate purified from P.aeruginosa was determined by using a phenol-sulfuric acid aβay where D- glucuronic acid was used as the standard