Comparison of the retention rates of thiamin, riboflavin, and niacin between normal and high-oleic peanuts after roasting

Applied Biological Chemistry

Table 3 Accuracy and repeatability precision (%RSDr) for the analysis of thiamin, riboflavin, and niacin in standard reference materials (SRM 1849a and SRM 2387)

Vitamins	Contents (mg/100 g)			% of certified value	%RSDr	Z value
Vitamins	Certified value^a	Analytical value^b	Bias	% of certified value	%RSDr	Z value
Thiamin (SRM 1849a)	1.25 ± 0.09	1.32 ± 0.12	0.07	105.60	9.09	− 1.4
Riboflavin (SRM 1849a)	2.03 ± 0.05	1.94 ± 0.07	0.09	95.57	3.61	1.80
Niacin (SRM 2387)	10.80 ± 1.00	9.60 ± 0.08	1.20	88.89	0.83	1.2

^aThe certified reference values for the vitamin thiamin, riboflavin, and niacin in SRM 1849a and SRM 2387 were derived from the combination of results provided by NIST and collaborating laboratories
^bValues (mean ± SD) are based on five replicate analyses