GB 7300.201-2019Feed additives - Part 2: Vitamins,provitamins and chemically well-defined substances having similar effect - L-Ascorbyl-2-phosphate (English PDF)

3 Technical requirements

4 Test methods

5 Inspection rules

Foreword

Chapters 1, 3, 4, and 5 of this part are mandatory, and the rest are recommended. GB 7300 "feed additives" is divided into several parts by product. This section is Part.201 of GB 7300. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces GB/T 19422-2003 "feed additive L-ascorbic acid-2-phosphate", compared with GB/T 19422-2003 The main technical changes are as follows:

--- Increased product specifications (see 3.2);

--- Increased the L-ascorbic acid-2-phosphate ester content item index, which is set to 95% ~ 110% of the indicated amount (see 3.4);

--- Increased the indicator of the ratio of L-ascorbic acid-2-monophosphate to L-ascorbic acid-2-phosphate (see 3.4);

--- Increased the total phosphorus index (see 3.4);

--- Modify the total arsenic content <=5.0 (mg/kg) to <=2.0 (mg/kg) (see 3.4,

3.2 of the.2003 version);

--- Modify the lead content <=30.0 (mg/kg) to <=10.0 (mg/kg) (see 3.4,

3.2 of the.2003 version). Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This section is proposed and managed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. Drafting organization of this section. Institute of Agricultural Quality Standards and Testing Technology, Chinese Academy of Agricultural Sciences [National Feed Quality Supervision and Inspection Center (Beijing)], Beijing Sunpu Biochemical Technology Co., Ltd. The main drafters of this section. Suo Decheng, Shi Wenjuan, Tian Jing, Li Hong, Yang Shuming, Zhang Su, Wang Shi, Wei Shulin. The previous versions of the standards replaced by this section are.

--- GB/T 19422-2003. Feed additives Part 2. Vitamins and retinoids L-ascorbic acid-2-phosphate