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ISO 6647-2:2020

Rice — Determination of amylose content — Part 2: Spectrophotometric routine method without defatting procedure and with calibration from rice standards

Jul 14, 2020

General information

90.92     May 13, 2025

ISO

ISO/TC 34/SC 4

International Standard

67.060  

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Scope

This document specifies two simplified routine methods for the determination of the amylose mass fraction of milled rice, non-parboiled. The main difference between the two methods is the dispersion procedure: method A specifies hot dispersion, and method B specifies cold dispersion.
Both methods are applicable to rice with an amylose mass fraction higher than 5 %.
NOTE These methods describe simplified procedures for the preparation of samples, which are frequently used in routine laboratories. The methods use the same reagents as the reference method (see ISO 6647-1), but omit the defatting step. Rice samples where the amylose mass fraction has been determined by the reference method are used as standards.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6647-2:2015

NOW

PUBLISHED
ISO 6647-2:2020
90.92 Standard to be revised
May 13, 2025

REVISED BY

PROJECT
ISO/AWI 6647-2

National adoptions

SRPS EN ISO 6647-2:2020  
ISS

Rice - Determination of amylose content - Part 2: Spectrophotometric routine method without defatting procedure and with calibration from rice standards (ISO 6647-2:2020)

60.60   Standard published

E034-4 more