BS EN ISO 6647-1:2020 pdf free.Rice - Determination of amylose content Spectrophotometric method with a defatting procedure by methanol and with calibration solutions of potato amylose and waxy rice amylopectin. BS EN ISO 6647-1 Weigh (6.9) 100 mg土0,5 mg of the defatted and conditioned potato amylose into a 100 ml conical flask (6.8>. Carefully add 1 ml of ethanol (5.2),...