To obtain a lipid metabolism improving agent superior for preventing and improving arteriosclerosis, by making the agent contain fermented soybean milk, which is obtained, by making lactic acid bacterium act on soybean milk.
One or two kinds of lactic acid bacterium are selected from among a lactobacillus genus, a lactococcus genus, streptococcus genus and leuconostock genus and fermented soybean mild obtained by actuacting the lactic acid bacterium in soybean milk is contained. The soybean milk; is obtained by putting soybeans (desired to be the molted ones) to be a raw material, for example, in water, adding hot water or hot water including sodium carbonate so as to execute grinding after that, removing bean-curd refuses after that and, moreover, heating and sterilizing are executed. As the method for making lactic acid bacterium act on soybean mild, which is made in the above process, the liquid of the incubated lactic acid bacterium is inoculated to soybean milk, for example, and a condition such as temp. and a time, etc., suitable for the bacterium is properly decided so as to execute fermentation.
HAYAKAWA HIROKO
YASUDA EMI
ONODERA NORIE
ISHIKAWA FUMIYASU
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