GB/T 20378-2006: Native starch -- Determination of starch content -- Ewers polarimetric method

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Scope

This Standard specifies a polarimetric method for the determination of the starch content of
native starch.
This Standard is not applicable to the determination of starch content in native starch, modified
starch and pregelatinized (cold water soluble) starch with high amylose content.

Basic Data

Standard ID	GB/T 20378-2006 (GB/T20378-2006)
Description (Translated English)	Native starch -- Determination of starch content -- Ewers polarimetric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	X11
Classification of International Standard	67.180.20
Word Count Estimation	8,884
Date of Issue	2006-03-14
Date of Implementation	2006-10-01
Quoted Standard	ISO 1666; GB/T 6682
Adopted Standard	ISO 10520-1997, IDT
Regulation (derived from)	China National Standard Approval Announcement 2006 No.8 (Total No.95)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the method for determining the starch content of the raw starch by polarimetry. This standard does not apply to high amylose content of starch, measured and pre-gelatinized starch (cold water soluble) starch in starch content.