New technology for preparing isatis root granules

The invention discloses a novel preparation technology of isatis root granules, which is prepared by membrane filtration of 1400 g of isatis root as a raw medicinal material extract, replaces the traditional alcohol precipitation process, shortens the production cycle, and reduces the consumption of ethanol and heat energy at the same time. 本发明公开了板蓝根颗粒制备新技术，由板蓝根1400g作为原药材提取液膜过滤制成，取代传统的醇沉工艺，缩短了生产周期,同时减少了乙醇和热能消耗。