2.2. Culture of L. rhamnosus NKU FL1-8 L. rhamnosus NKU FL1-8 is a Gram-positive facultative anaerobe probiotic that is acid-fast and non-sporulating. It was isolated from the feces of infants who were exclusively breastfed for 40–50 days. Preparation of L. rhamnosus NKU FL1-8 suspe...