Abstract
To improve the activity of probiotics and take advantage of abudant medical and edible plants in China, 18 kinds of medical and edible plants which were chosen to study growth-promoting effects for <em>L. Bulgaricus</em> by single factor, 8 kinds of plants that have significant growth-promoting effect through preliminary screening have obtained. On the basis of this, the different combinations which study growth-promoting effects to <em>L. Bulgaricus</em> using simplex-centroid experimental design and the viable number was chosen as detection index. The result shows that the medical and edible plants of obvious growth-promoting effects are Coix seed, Lotus seeds, Wheat germ, Chinese yam, Pueraria, Lilium, Mulberry, Jujube. The optimal combination according to simplex-centroid experimental design is Coix seed 5.507%, Lotus seeds 30.834%, Wheat germ 20.545%, Chinese yam 20.545%, Pueraria 4.739%, Lilium 15.259%, Mulberry 6.321%, Jujube 6.321%, the viable number is up to 3.89×10<sup>8</sup> cfu/mL.
Highlights
IntroductionThe medical and edible plants are kinds of herds containing complex ingredients (Chui, 1997; Zhang et al, 2006) (sugars, tannins, resins, pigments, amino acids, volatile oils, glycosides, alkaloids and inorganic compositions) which can both be used as food and medicine (Wang et al, 2004; Jiang et al, 2015)
The medical and edible plants are kinds of herds containing complex ingredients (Chui, 1997; Zhang et al, 2006) which can both be used as food and medicine (Wang et al, 2004; Jiang et al, 2015)
Bulgaricus (LB) was respectively inoculated in medical and edible plant medium by 2% were used as control mediums
Summary
The medical and edible plants are kinds of herds containing complex ingredients (Chui, 1997; Zhang et al, 2006) (sugars, tannins, resins, pigments, amino acids, volatile oils, glycosides, alkaloids and inorganic compositions) which can both be used as food and medicine (Wang et al, 2004; Jiang et al, 2015). The Chinese scientists have studied and used the medical and edible plant for thousands of years, but there are still some scientific questions to be solved. Researchers have shown that the medical and edible plants could promote the growth of probiotics. A review concerning the growth-promoting factors (traditional Chinese drug and other substances) of probiotics is presented. The review is helpful to improve the number of probiotics in products, provide thought for modernization of Chinese herbal drug and develop functional food (Shu et al, 2009). The optimum enrichment medium of L.b-S1 were screened by orthogonality test. (Li et al, 2012)
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