Freeze-drying protective agent, fecal bacteria freeze-dried product and preparation method thereof
A technology of freeze-drying protective agent and dried product, applied in the preservation of microorganisms and other directions, can solve the problems of sensitive environmental conditions and difficult long-term survival, and achieve the effects of increasing storage temperature, protecting cells and prolonging storage time.
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Embodiment 1
[0031] A freeze-drying protectant composition, comprising the following components: 10% polydextrose, 1% mannitol, 1% glycine, 0.3% vitamin C and 0.01% Tween 80, and the balance is water.
Embodiment 2
[0033] A freeze-drying protectant composition, comprising the following components: 50% polydextrose, 5% mannitol, 5% glycine, 0.05% vitamin C and 1% Tween 80, and the balance is water.
Embodiment 3
[0035]A freeze-drying protectant composition comprises the following components: 30% polydextrose, 0.1% mannitol, 0.1% glycine, 0.01% vitamin C and 0.05% Tween 80, and the balance is water.
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