Fermented milk drinks and foods containing fermented milk components obtained by fermentation with lactic acid bacteria together with a growth promoter for lactic acid bacteria selected from among ginger extract, tea extract, green onion extract, or oleic acid and derivatives thereof, and a process
Fermented milk drinks and foods containing fermented milk components obtained by fermentation with lactic acid bacteria together with a growth promoter for lactic acid bacteria selected from among ginger extract, tea extract, green onion extract, or oleic acid and derivatives thereof, and a process for producing the fermented milk drinks and foods involving the step of culturing lactic acid bacteria in a medium containing the growth promoter for lactic acid bacteria. These fermented milk drinks and foods can contain a large number of viable cells of lactic acid bacteria and sustain the activity (acid producing ability) of the bacteria at a high level.
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What is claimed is: 1. A fermented milk product comprising: milk fermented in the presence of a lactic acid bacteria growth factor by at least one lactic acid bacteria selected from the group consisting of Lactobacillus casei, Lactobacillus acidophilus, Lactobacillus gasseri Lactococcus lactis subs
What is claimed is: 1. A fermented milk product comprising: milk fermented in the presence of a lactic acid bacteria growth factor by at least one lactic acid bacteria selected from the group consisting of Lactobacillus casei, Lactobacillus acidophilus, Lactobacillus gasseri Lactococcus lactis subsp. lactis, and Lactococcus lactis subsp. cremoris; wherein said lactic acid bacteria growth factor is selected from the group consisting of ginger extract, green onion extract, and tea extract; wherein said tea extract is prepared by extraction of tea at a pH of 5 or less. 2. The fermented milk product of claim 1, wherein said ginger, green onion or tea extract is an organic solvent extract. 3. The fermented milk of claim 1, which comprises an aqueous extract of ginger or green onion, or an aqueous-acid extract of tea. 4. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises ginger extract. 5. The fermented milk product of claim 1 which comprises about 0.002-0.2 wt. % of ginger extract, wherein the wt. % of the ginger tract is based on the soluble solid content of said ginger extract. 6. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises an acid extract of ginger. 7. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises an acid extract of ginger prepared by extraction of ginger at pH 4 or less and at a temperature of not lower than 80째 C. 8. The fermented milk product of claim 1, where said lactic acid growth factor comprises green onion extract. 9. The fermented milk of claim 1 which comprises about 0.002-0.2 wt. % of onion extract wherein the wt. % of the green onion extract is based on the soluble solid content of said green onion. 10. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises an acid extra of green onion. 11. The fermented milk product of claim 1 wherein said lactic acid growth factor comprises an acid extract of green onion prepared by extraction of green onion at pH 4 or less and at a temperature of not lower than 80째 C. 12. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises tea extract wherein said tea extract is prepared by extraction of tea at a pH of 5 or less. 13. The fermented milk product of claim 1, wherein said lactic acid growth factor comprises a tea extract extracted at pH 4 or less and at a temperature of not lower than 80째 C. 14. The fermented milk product of claim 1 which comprises about 0.002-0.2 wt. % of black tea extract, wherein the wt. % of the black tea extract is based on the soluble solid content of said black tea extract. 15. The fermented milk product of claim 1 which comprises about 0.002-0.2 wt. % of oolong tea extract, wherein the wt. % of the oolong tea extract is based on the soluble solid content of said oolong tea extract. 16. The fermented milk product of claim 1 which comprises about 0.002-0.2 wt. % of green tea extract, wherein the wt. % of the green tea extract is based on the soluble solid content of said green tea extract. 17. The fermented milk product of claim 1 that has been fermented by Lactobacillus casei. 18. The fermented milk product of claim 1 that has been fermented by Lactobacillus acidophilus. 19. The fermented milk product of claim 1 that has been fermented by Lactobacillus gasseri. 20. The fermented milk product of claim 1 that has been fermented by Lactococcus lactis subsp. lactis. 21. The fermented milk product of claim 1, that has been fermented by Lactococcus lactis subsp. cremoris. 22. The fermented milk product of claim 1 which contains between 0.05 and 0.5% fat. 23. The fermented milk product of claim 1, further comprising at least one ingredient selected from the group consisting of oleic acid and a derivative of oleic acid. 24. The fermented milk product of claim 1 which is produced from an animal milk medium. 25. The fermented milk product of claim 1, which is yogurt. 26. The fermented milk product of claim 1, which is kefir. 27. The fermented milk product of claim 1, which is cheese. 28. A process for producing a fermented milk product comprising: fermenting a culture medium containing milk in the presence of a lactic acid bacteria growth factor by at least one lactic acid bacteria selected from the group consisting of Lactobacillus casei, Lactobacillus acidophilus, Lactobacillus gasseri, Lactococcus lactis subsp. lactis, and Lactococcus lactis subsp. cremoris ; wherein said lactic acid bacteria growth factor is selected from the group consisting of ginger extract, green onion extract, and tea extract; wherein said tea extract is prepared by extraction of tea at a pH of 5 or less. 29. The process of claim 28, wherein said lactic acid growth factor is ginger extract. 30. The process of claim 28, wherein said lactic acid growth factor is green onion extract. 31. The process of claim 28, wherein said lactic acid growth factor is tea extract prepared by extraction of tea at a pH of 5 or less. 32. The process of claim 28, wherein said culture medium is an animal milk medium. 33. The process of claim 28, wherein comprising adding to the culture at least one ingredient selected from the group consisting of oleic acid and a derivative of oleic acid.
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