This standard applies to the determination of urease activity in products and by-products made from soybeans. This method can confirm the degree of moist heat treatment of soybean products.
GB 8622-1988 history
2006GB/T 8622-2006 Determination of urease activity in soya bean products for feeds
1987GB 8622-1988 Determination method of urease activity in soybean products
GB 8622-1988 Determination method of urease activity in soybean products was changed to GB/T 8622-2006 Determination of urease activity in soya bean products for feeds.