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AssigneeShaanxi University of Science and Technology
InventorsGuowei Shu, Ke Zhang, Huan Lei, Qisheng Hu, Guanli Du, Qiqi Zheng, Guoliang Li, Qinfeng Xu, Chunji Dai, Ting Li, Wenjing Hu, Lihao Xu, Chaowei Yang, Jie Qiao
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Disclosed are a strain of Lactobacillus helveticus capable of removing multiple heavy metals and an application thereof in milk powder, where the strain is Lactobacillus helveticus KD-3, which is deposited in the China Center for Type Culture Collection on Apr. 6, 2023, with a deposit number of CCTCC NO: M2023479. The Lactobacillus helveticus KD-3 has a cadmium resistant gene czcD, a chromium resistant gene chrA and a lead resistant gene pbrT, and is capable of tolerating single and compound heavy metals (cadmium, chromium and lead). The Lactobacillus helveticus KD-3 of the present disclosure is used to prepare lyophilized bacterial powder.
A functional probiotic goat milk powder for removing heavy metals, wherein the functional probiotic goat milk powder comprises a lyophilized powder of viable cells of the Lactobacillus helveticus KD-3 strain and protective agents, wherein the protective agents comprise glucose, D-galactose, and ascorbic acid in amounts of 2%, 2.5%, and 0.1% respectively of the weight of the cells of the Lactobacillus helveticus KD-3 strain.
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