T/CSMT-SY 002-2024 Enumeration and metabolic vitality detection for probiotics—Deuterium oxide metabolism Raman spectroscopy method
T/CSMT-SY 002-2024 Enumeration and metabolic vitality detection for probiotics—Deuterium oxide metabolism Raman spectroscopy method
Basic Information
Scope
This document specifies the method outline, reagents and materials, instruments and equipment, and detection requirements and steps for detecting the total cell count, live cell count, and metabolic activity of probiotics using deuterium oxide-metabolism Raman spectroscopy.
This document is applicable to the detection of probiotics count and metabolic activity in products containing probiotics (including Lactobacillus plantarum, Lactobacillus acidophilus, Lactobacillus rhamnosus, Lactobacillus paracasei, Lactobacillus reuteri, Lactobacillus gregarii, Lactobacillus curvatus, Bifidobacterium lactis, Bifidobacterium longum, Bifidobacterium infantis, and Streptococcus thermophilus, etc.), including various types and forms such as solids, liquids, and semi-solids (such as yogurt).