AGENT AND METHOD FOR IMPROVING SURVIVABILITY OF LACTIC ACID BACTERIUM, AND FOOD COMPOSITION
The survival of lactic acid bacterial strains such as probiotic bacteria contained in yogurt etc. is improved. A lactic acid bacterium survival improver including a propionic acid bacterium fermentation product to improve the survival of a lactic acid bacterium. The propionic acid bacterium is a bacterium belonging to the genus Propionibacterium . The bacterium belonging to the genus Propionibacterium is Propionibacterium freudenreichii.
1 . A survival improver of a lactic acid bacterium, which comprises a propionic acid bacterium fermentation product.
2 . The survival improver of a lactic acid bacterium according to claim 1 , wherein the propionic acid bacterium is a bacterium belonging to the genus Propionibacterium.
3 . The survival improver of a lactic acid bacterium according to claim 2 , wherein the bacterium belonging to the genus Propionibacterium is Propionibacterium freudenreichii.
4 . The survival improver of a lactic acid bacterium according to claim 3 , wherein Propionibacterium freudenreichii is Propionibacterium freudenreichii ET-3 (FERM BP-8115).
5 . The survival improver of a lactic acid bacterium according to claim 1 , wherein the lactic acid bacterium is at least one member selected from Lactobacillus gasseri, Lactobacillus bulgaricus , and Streptococcus thermophilus.
6 . A method of improving the survival of a lactic acid bacterium, wherein the method comprises adding the survival improver of a lactic acid bacterium according to claim 1 to a lactic acid bacterium-containing composition.
7 . The method of improving the survival of a lactic acid bacterium according to claim 6 , wherein before fermentation of the lactic acid bacterium-containing composition, the survival improver of a lactic acid bacterium is added to the lactic acid bacterium-containing composition.
8 . A food composition comprising the survival improver of a lactic acid bacterium according to claim 1 and a lactic acid bacterium.
9 . The survival improver of a lactic acid bacterium according to claim 2 , wherein the lactic acid bacterium is at least one member selected from Lactobacillus gasseri, Lactobacillus bulgaricus , and Streptococcus thermophilus.
10 . The survival improver of a lactic acid bacterium according to claim 3 , wherein the lactic acid bacterium is at least one member selected from Lactobacillus gasseri, Lactobacillus bulgaricus , and Streptococcus thermophilus.
11 . The survival improver of a lactic acid bacterium according to claim 4 , wherein the lactic acid bacterium is at least one member selected from Lactobacillus gasseri, Lactobacillus bulgaricus , and Streptococcus thermophilus.
12 . A method of improving the survival of a lactic acid bacterium, wherein the method comprises adding the survival improver of a lactic acid bacterium according to claim 2 to a lactic acid bacterium-containing composition.
13 . A method of improving the survival of a lactic acid bacterium, wherein the method comprises adding the survival improver of a lactic acid bacterium according to claim 3 to a lactic acid bacterium-containing composition.
14 . A method of improving the survival of a lactic acid bacterium, wherein the method comprises adding the survival improver of a lactic acid bacterium according to claim 4 to a lactic acid bacterium-containing composition.
15 . A method of improving the survival of a lactic acid bacterium, wherein the method comprises adding the survival improver of a lactic acid bacterium according to claim 5 to a lactic acid bacterium-containing composition.