1results about How to "Improve powder properties" patented technology

This invention discloses a *Lactobacillus plantarum* bacterial powder, its preparation method, and its application. The wall material of the bacterial powder includes resistant starch, whey protein, and a heat protectant. The bacterial cells in the powder are *Lactobacillus plantarum* TH103. The mass percentages of resistant starch, whey protein, and the heat protectant are 7-23%, with the total mass percentage of resistant starch and whey protein being 3-15% and the mass percentage of the heat protectant being 4-8%. The viable count of the bacterial powder is (3.5-9.0) × 10⁻⁶. 9 The CFU / g and moisture content are 5-7%. This invention uses resistant starch and whey protein as protective carriers, supplemented with heat-resistant protective agents, to achieve the preparation of *Lactobacillus plantarum* powder by spray drying. The obtained *Lactobacillus plantarum* powder has a viable count and moisture content that meet the relevant requirements for probiotic foods, and has good powder properties. It can be directly brewed in powder form or applied to fermented foods such as yogurt.