Table 2.
Phytochemical profile of HESPL determined by HPLC-DAD-UV.
| Analyte | RT | Linearity range (ng/μL) | LOD/LOQ (ng/μL) | r 2 | Solanum paniculatum L. (pg/mL) in 100 mg of extract | SD (%) | CV (%) |
|---|---|---|---|---|---|---|---|
| Carotenoids | |||||||
| Lutein | 3.449 | 5-100 | 1.45/5 | 0.9988 | 103.70 | 2.3049 | 2.222719 |
| Zeaxanthin | 4.133 | 2.28-36.5 | 0.80/2.28 | 0.9972 | 8.9 | 0.48608 | 5.461573 |
| β-Cryptoxanthin | 9.017 | 5.30-84.9 | 0.97/5.30 | 0.9963 | 8.8 | 0.5913 | 6.719318 |
| β-Carotene | 15.666 | 15.6-250 | 0.89/15.6 | 0.9821 | 8.7 | 1.1533 | 0.131655 |
| Vitamin E | |||||||
| γ-Tocopherol | 5.333 | 0.075-2.42 | 1.09/0.075 | 0.9999 | 1.6 | 0.00206 | 0.12875 |
| Phenols | |||||||
| Chlorogenic acid | 3.517 | 10-500 | 1.40/10 | 0.9956 | 17.5 | 0.7415 | 4.237143 |
| Flavonoids | |||||||
| Caffeic acid | 6.617 | 10-500 | 1.30/10 | 0.9991 | 23.9 | 0.9641 | 4.033891 |
| Quercetin | 19.12 | 10-500 | 1.33/10 | 0.9999 | 2.9 | 0.1306 | 4.503448 |