Biological Characteristic
1. Lactobacillaceae, Lactobacillus, Gram-positive;
2. Both ends of the bacteria are flat and square, and the arrangement is mostly in short chains or long chains;
3. The optimum growth temperature is 25~38℃, and the growth temperature range is wide;
4. The optimum pH is around 6.0, metabolism with volatile fatty acids, aldehydes and ketones, which improves the fermentation flavor;
5. It can effectively ferment fructose, galactose and glucose, produce L-(+) lactic acid.