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See Chinese contents: GB 1886.360-2022 GB 1886.360-2022: National food safety standard - Food additive - Tea polyphenols
This document is applicable to tea polyphenol palmitate, a food additive, that tea polyphenol is extracted from green tea as raw materials, that is made by palmitoyl chloride esterification, filtration, water-washing, desolvation, crystallization, centrifugation, freeze-drying and other processes.
