Detection of Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus in Inactivated Fermented Milk Using Fluorescence Quantitative Loop-Mediated Isothermal Amplification

Table 5

Reproducibility results of the limit of detection of S. thermophilus in fermented milk using FQ-LAMP.

Order number	Concentration (CFU/g)	Times number	Mean Ct	SD	CV (%)
1	6.8 × 10^8	5	11.428	0.361	3.16
2	6.8 × 10^7	5	12.917	0.382	2.96
3	6.8 × 10^6	5	15.466	0.585	3.78
4	6.8 × 10^5	5	17.984	0.686	3.81
5	6.8 × 10^4	5	19.693	0.954	4.85
6	6.8 × 10^3	5	21.918	1.104	5.04
7	6.8 × 10^2	5	26.312	1.270	4.83

Note. 1–7: these 10-fold serial dilutions of S. thermophilus were detected using FQ-LAMP.