Table 4.
constituent | retention time (min) |
regression equationa | linear range | contentb |
---|---|---|---|---|
(Y = aX + b, R2) | (mg/L) | (mg/kg) | ||
10 | 5.0 | Y = 33283X + 3049, 0.9996 | 2–250 | 202 ± 1.1 |
14 | 7.1 | Y = 66525X + 544211, 0.9993 | 2–250 | 98 ± 0.6 |
12 | 10.1 | Y = 23960X + 121915, 0.9995 | 2–250 | 108 ± 0.6 |
11 | 18.0 | Y = 22844X + 229491, 0.9993 | 2–250 | 28 ± 0.2 |
7 | 46.1 | Y = 35226X + 115364, 0.9996 | 2–250 | 20 ± 0.1 |
6 | 54.1 | Y= 58063X + 139757, 0.9998 | 2–250 | 68 ± 0.4 |
Y = peak area and X = concentration.
Mean ± SD (n = 3).