Table 2.

Standards applied for the determination of different microorganisms.

Name	Among of DNA (Copies/mL)	Product Description
Bifidobacterium infantis DNA	5 × 10⁸	Standard in identification of Bifidobacterium spp., isolated from Bifidobacterium infantis
Bacteroides fragilis DNA	2 × 10⁹	Standard in identification of Bacteroides spp., isolated from Bacteroides fragilis
Faecalibacterium prausnitzii DNA	7.8 × 10⁸	Standard in identification of Faecalibacterium prausnitzii
Akkermansia muciniphila DNA	3.9 × 10⁸	Standard in identification of Akkermansia muciniphila