Added agents Average population (n=3), CFU/carrier E×posure time (min)   3 min 10min Not added (control) 1.10×105 1.67×103 CaCO3 1.28×105 2.08×103  0.2% Calcium Lactate 1.37×105 2.95×103 0.5% Glucose 1.26×105 1.98×103 0.5% Sodium pyruvate 1.07×105  1.41×103 L-alanine at 100 μg/ml 1.27×105 1.97×103 D-alanine at 100 μg/ml 1.07×105  1.28×103 0.1 % Panvitan powder 1.22×105  1.68×103 0.1% Amono acids mi×ture 1.25×105  1.90×103

Initial population was 3.5×106 CFU/carrier

Table 8: Recovery effect of several sorts of agents added into SCDA culture medium constituents from N company.

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