In this study. three different microencapsulation methods were used to embed Bifidobacterium to explore the alleviating effects of embedding methods on constipated mice. By measuring the defecation-related parameters. it was found that the Bifidobacteria treated by electrostatic spray drying had the best ability to relieved constipation. https://allfixelectricales.shop/product-category/brass-flare-union/