From: Antioxidant and phenolic contents in potatoes (Solanum tuberosum L.) and micropropagated potatoes
Extract | Phenolic compounds | Total (mg/L) | ||||
---|---|---|---|---|---|---|
Chlorogenic acid | Caffeic acid | Vanillic acid | Quercetin glucoside | p-Coumaric acid | ||
Tuber | ||||||
Acetone | 0.15 ± 0.00a | 2.30 ± 0.01a | 3.03 ± 0.09a | – | 0.08 ± 0.01a | 5.55 ± 0.11 |
Methanol | 1.47 ± 0.10b | 1.40 ± 0.04b | – | 1.26 ± 0.08a | – | 4.13 ± 0.22 |
80% Methanol | 1.16 ± 0.06c | 0.85 ± 0.05c | – | – | – | 2.47 ± 0.11 |
Microtuber | ||||||
Acetone | – | 47.81 ± 0.81d | 40.33 ± 1.36b | – | 0.85 ± 0.03b | 88.99 ± 2.20 |
Methanol | 1.17 ± 0.06d | 17.28 ± 0.27e | 27.30 ± 0.46c | – | 0.33 ± 0.01c | 46.07 ± 0.80 |
80% Methanol | 1.20 ± 0.04e | 10.81 ± 0.08f | 23.30 ± 0.46d | – | 0.16 ± 0.02d | 35.47 ± 0.61 |
Flesh | ||||||
Acetone | – | 0.21 ± 0.00g | 2.68 ± 0.12a | – | – | 2.89 ± 0.12 |
Methanol | 0.87 ± 0.00f | – | – | – | – | 0.87 ± 0.00 |
80% Methanol | 1.00 ± 0.02g | – | – | – | – | 1.00 ± 0.02 |
Peel | ||||||
Acetone | 0.43 ± 0.01h | 15.44 ± 0.24h | 6.57 ± 0.09e | – | 0.06 ± 0.00a | 22.51 ± 0.34 |
Methanol | 3.25 ± 0.11i | 6.53 ± 0.01i | 8.87 ± 0.22f | – | – | 18.66 ± 0.34 |
80% Methanol | 1.98 ± 0.06j | 1.78 ± 0.01j | 3.72 ± 0.08g | – | – | 7.49 ± 0.15 |