GB/T 5521-1989
Method for determination of alpha-amylase activity in cereal and cereal products—Colorimetric method (English Version)

Standard No.

GB/T 5521-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2009-01

Replace By

GB/T 5521-2008

Latest

GB/T 5521-2008

Scope

This standard specifies the instruments, reagents, analysis procedures and calculation of results for the determination of α-amylase activity of grains and grain products by colorimetry. This standard applies to the determination of α-amylase activity of grains and cereal products, and can also be used to determine the activity of α-amylase dry powder derived from fungi or bacteria.

GB/T 5521-1989 history

• 2009 GB/T 5521-2008 Colorimetric method for the determination of α-amylase activity in grains and oils and their products
• 1989 GB/T 5521-1989 Method for determination of alpha-amylase activity in cereal and cereal products—Colorimetric method