Table 2.

DNA recovered and qPCR estimation of Bifidobacterium adolescentis in sewage sample DNA extracts from 0.22 μm and 0.45 μm of filters.

Sample (n = 3)	DNA extracted (avg. ng/μL)		qPCR of B. adolescentis (avg. ng) ×10−2
	0.22 μm	0.45 μm	0.22 μm	0.45 μm
Sewage dilution 10−1	14.00 ± 1.66	16.17 ± 1.30	2.418 ± 0.23	0.142 ± 0.12
Sewage dilution 10−2	17.50 ± 4.50	12.13 ± 0.92	1.154 ± 0.13	0.112 ± 0.09
Sewage dilution 10−3	17.83 ± 3.10	14.57 ± 3.32	0.856 ± 0.25	0.288 ± 0.08
Sewage dilution 10−4	6.17 ± 0.90	13.37 ± 1.35	0.738 ± 0.34	0.319 ± 0.11