Table 2.
Water-soluble vitamins in honey samples.
| Water-soluble vitamins | aRt | Sensitivity (mg/kg) | Linearity (mg/kg) | Tualang | Gelam | Acacia | ||
|---|---|---|---|---|---|---|---|---|
| (min) | bLOD | cLOQ | Concentration | d R 2 | Mean ± eSD (mg/kg honey) | |||
| Thiamine (vitamin B1) | 3.10 | 3.51 | 10.62 | 0–75 | 0.999 | <LOQ | 13.85 ± 0.24 | <LOQ |
| Riboflavin (vitamin B2) | 14.69 | 1.80 | 5.44 | 0–75 | 0.999 | <LOD | <LOQ | 11.85 ± 3.90 |
| Nicotinic acid (vitamin B3) | 1.83 | 4.76 | 14.42 | 0–250 | 0.999 | 170.38 ± 9.60 | 355.38 ± 56.11 | 134.67 ± 3.53 |
| Folic acid (vitamin B9) | 13.74 | 4.35 | 13.17 | 0–75 | 0.998 | <LOQ | <LOD | <LOD |
| Cyanocobalamin (vitamin B12) | 14.03 | 1.02 | 3.10 | 0–75 | 0.999 | <LOD | <LOQ | <LOD |
| Ascorbic acid (vitamin C) | 3.95 | 10.13 | 30.71 | 0–200 | 1.000 | 52.20 ± 3.29 | 67.36 ± 10.48 | 62.80 ± 8.60 |
aRetention time in minute.
bLimit of detection (3.3 standard deviation/slope of the calibration curve).
cLimit of quantitation (10 standard deviation/slope of the calibration curve).
dCorrelation coefficient.
eStandard deviation.