Amy Li

US Patent:

20220232862, Jul 28, 2022

Filed:

Jan 19, 2022

Appl. No.:

17/579432

Inventors:

Amy LI - Katy TX, US
Li WANG - HOUSTON TX, US
Youlian ZHAO - Foshan City, CN
Yuan LI - Zhuzhou, CN
Jielong LIU - Doveton, AU

International Classification:

A23L 3/3571
A01N 63/20
A23C 9/127
A23L 19/00

Abstract:

The present disclosure relates to a method for preparing an antimicrobial complex strain from kefir, which includes: 1) providing and, optionally filtering, kefir or kefir whey; 2) introducing a fermentable sugar into the kefir or kefir whey, wherein based on the weight of the kefir or kefir whey, at least a saturation amount of said fermentable sugar is used, and allowing curd to gather at the top, so as to form a pre-fermentation composition; and 3) enabling the pre-fermentation composition to ferment until a microbial membrane that is capable of growth develops at the top and a whey liquid forms underneath, and the whey liquid demonstrates antimicrobial activity and has a pH of about 3.0, wherein during the fermentation, if needed, further adding said kefir or kefir whey and/or said fermentable sugar.