Table 6.

MDLs, MQLs, and quantification ranges (µg/100 g) of B-group vitamins in nutritional products.

Compound	Liquid samples		Powder samples		Quantification range
	MDL	MQL	MDL	MQL
THI	2.4	8.1	24	81	10–2000
RIB	2.3	7.8	23	78	10–4000
NIC	2.8	9.5	28	95	10–15,000
NIA	1.9	6.4	19	64	10–4000
PYN	2.7	9.2	27	92	10–2000
PYL	0.28	0.95	2.8	9.5	2–2000
PYM	0.35	1.2	3.5	12	2–2000