. 2017 Oct 26;7(1):1386536. doi: 10.1080/20008686.2017.1386536

Table 2.

The outcome of the different DNA extraction kits and their alterations tested in the current study.

ID	Kit name	NanoDrop ng/μL	A260/A280	A260/A230	QC gel electrophoresis	16S PCR gel
E1	PowerSoil DNA Isolation Kit	5.70	2.08	0.685	Empty	N/A
E2^a	Maxwell 16 Tissue DNA Purification Kit	163^a	0.695	0.200	Faint smear high-weight fragments	“
E3	“	6.30	3.31	0.990	Faint smear middle-weight fragments	“
E4	DNeasy Blood & Tissue Kit	4.75	0.625	0.840	Empty	“
E5	“	16.0	1.51	0.175	Faint smear middle-weight fragments	“
E6	QIAamp Fast DNA Stool Mini Kit	0	N/A	N/A	Empty	Empty
E7	“	1	“	“	“	“
E8	QIAamp DNA Stool Mini Kit	1	“	“	“	“
E9	“	9.90	0.475	0.4825	“	N/A
E10	“	4.35	2.12	0.940	“	“
E11	QIAamp cador Pathogen Kit	10.3	4.82	0.460	Faint smear high-weight fragments	30 cycles faint bands 10^0–(−2) dilution
E12	“	75.3	1.20	0.815	Strong smear high-weight fragments	30 cycles strong bands 10^{(−1)–(−2)} dilution
E13	“	17.4	1.58	0.385	N/A	35 cycles 10⁽⁻²⁾ dilution weak bands, 10⁽⁻³⁾ dilution strong bands
E14	“	77.1	0.795	0.350	“	35 cycles 10⁽⁻²⁾ dilution strong bands, 10⁽⁻³⁾ dilution weak bands
E15	“	44.1; 8.40	1.63; 1.67	0.810; 1.10	“	“

^aVery heavy bead carryover interfering with eluate quantification.

The sign " denotes that the value/setting was identical to the one given directly above.