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It was a glycoprotein containing 2.7% sugar by phenol-sulfuric acid reaction.
胶原蛋白为一种糖蛋白，经硫酸-苯酚法测定，其含糖量为2.7%。
youdao
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Method Phenol-sulfuric acid colorimetric analysis is employed.
方法采用苯酚-硫酸比色法。
youdao
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Method Phenol-sulfuric acid colorimetric analysis is employed.
方法采用苯酚-硫酸比色法。
youdao