The invention discloses a
lactic acid bacterium used for fermenting cereal and applications thereof, and belongs to the field of
food biotechnology.
Lactic acid bacterium Dy-1, suggested classification name is
Lactobacillus plantarum, is delivered to China General
Microbiological Culture Collection Center, Institute of
Microbiology, China Academy of Science, in No.1
yard, No.3 building, Beichenxi road, Chaoyang district, Beijing, China, at April, 18th, 2012 for preservation, and the preservation number is CGMCC No.6016. Applications of the
lactic acid bacterium comprise following steps:
wheat germ or barley is fermented by freeze-dried
powder of the
lactic acid bacterium; a
fermentation broth is subjected to
centrifugation so as to obtain a supernatant; and the supernatant is subjected to
freeze drying so as to obtain a
fermentation extract. The
fermentation extract possesses significant
apoptosis promoting and propagation inhibiting effects on HT-29 colon
cancer cells and SGC-7901
stomach cancer cells, and significant inhibiting effect on
tumor growth of HT-29 colon
cancer induced tumor-bearing nude mice models, and is capable of improving
immunity of the HT-29 colon cancer induced tumor-bearing nude mice models.