T/ESL 32002-2023 Feed additive selenium yeast
T/ESL 32002-2023 Feed additive selenium yeast
Basic Information
Scope
Scope: This document specifies the terms and definitions, technical requirements, sampling, testing methods, inspection rules, and labeling, packaging, transportation, storage, and shelf life of yeast selenium, a feed additive. This document applies to yeast selenium products, which are prepared by fermenting a yeast strain in a medium containing sodium selenite to convert inorganic selenium into organic selenium, and then separating and drying the organic selenium yeast slurry to obtain the final product. Main technical contents: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Technical requirements 5. Sampling 6. Testing methods 7. Inspection rules 8. Labeling, packaging, transportation, storage, and shelf life