GB 1886.361-2022 is applicable to extracting Chlorophyll from silkworm sand or grass (tall fescue, alfalfa, nettle, etc.), spirulina and other plants as raw materials, or directly using chlorophyll as raw material, and then prepared by copper substitution reaction The food additive chlorophyll copper. The agents used are acetone, dichloromethane, methanol, ethyl acetate alcohol, isopropanol, n-hexane and/or petroleum ether (boiling range is 90°C~120°C).

Contents

1. Scope

2. Molecular formulaa and relative molecular mass

3. Technical requirements

Appendix A test method

Appendix B Microwave digestion temperature program

Appendix C Reference gas chromatogram of solvent residues in sample solutions