Table 2.

Monacolin K, acid form, monacolin J, acid form, dihydromonacolin K, dehydromonacolin K and α,β-dehydrodihydromonacolin K contents in dietary supplements containing red yeast rice as the main active ingredient. Values are reported as mean mg/serving ± SD.

N.	MKA	MJA	Dihydromonacolin K	Dehydromonacolin K	α,β-Dehydrodihydromonacolin K
1	0.84 ± 0.01	0.76 ± 0.01	0.54 ± 0.01	0.63 ± 0.04	0.25 ± 0.02
2	0.41 ± 0.01	0.35 ± 0.01	0.60 ± 0.01	0.32 ± 0.01	0.12 ± 0.00
3	0.54 ± 0.02	0.68 ± 0.01	0.65 ± 0.01	0.50 ± 0.02	0.18 ± 0.01
4	0.22 ± 0.03	0.18 ± 0.02	0.24 ± 0.01	<0.1	<0.1
5	0.70 ± 0.01	0.65 ± 0.04	0.60 ± 0.01	1.36 ± 0.08	0.52 ± 0.02
6	0.60 ± 0.05	0.46 ± 0.01	1.47 ± 0.12	1.30 ± 0.05	0.55 ± 0.01
7	2.01 ± 0.12	2.71 ± 0.10	2.90 ± 0.10	5.02 ± 0.21	1.88 ± 0.10
8	1.98 ± 0.12	2.96 ± 0.09	2.21 ± 0.10	4.02 ± 0.04	1.67 ± 0.03
9	1.06 ± 0.04	2.55 ± 0.10	2.86 ± 0.13	4.31 ± 0.10	2.00 ± 0.08
10	1.25 ± 0.10	1.55 ± 0.08	1.13 ± 0.02	2.21 ± 0.10	0.78 ± 0.02

MKA: Monacolin K, acid form; MKJ: monacolin J, acid form.