The Influence of Lotus Root Extract on Lactobacillus casei subsp. rhamnosus Growth in Fermented Milk
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Abstract
The infant intestinal tract is essentially sterile part and experiences a period of steady colonization over the following weeks and months as it is exposed to microorganisms from the environment. It is generally accepted that these microorganisms have a major impact on the overall development and function of the gastrointestinal mucosa and immune system. This research aims at prebiotic extraction from lotus root which is a plant in the local area. The study found that prebiotic extracted from lotus root gave the prebiotic concentration of 1,748 μg/ml. The optimum conditions for prebiotic extraction consisted of the extraction ratio, temperature and soaking time of 1:30 (w/v), 85 oC and 30 min, respectively. The growth of Lactobacillus casei subsp. rhamnosus in fermented milk supplemented with lotus root extract was investigated. Result showed that the fermented milk with prebiotic extract was able to promote growth of L. casei subsp. rhamnosus.
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