Researchers developed a special technique to protect beneficial bacteria (Lactobacillus rhamnosus GG) in black goji berry juice so they survive the harsh conditions of the stomach and intestines. They used a coating made from alginate combined with ingredients like carrageenan or gelatin, which created a protective shield around the bacteria and helpful plant compounds. When this coated juice was taken with milk, the bacteria survived even better, making it a promising new way to deliver probiotics through plant-based beverages instead of traditional dairy products.