Table 2. Mass fractions of compounds (per fresh mass) studied in the fruit samples after 7 days of storage in the dark (control) or under LED light irradiation (590 nm).
Compound | w/(µg/g) | |||||||
---|---|---|---|---|---|---|---|---|
Apple peel | Tomato | Red bell pepper | ||||||
Control | LED light | Control | LED light | Control | LED light | |||
Lycopene | <LOD | <LOD | 475.60±14.57 | 461.29±2.93 | <LOD | <LOD | ||
α-Carotene | <LOD | <LOD | <LOD | <LOD | 2.49±0.09 | 2.78±0.21 | ||
β-Carotene | (8.18±0.08)b | (10.73±0.13)a | (75.64±0.46)a | (69.81±0.58)b | (115.98±3.15)b | (152.17±0.79)a | ||
δ-Tocopherol | 14.28±2.06 | 13.82±0.48 | <LOD | <LOD | 1.51±0.40 | <LOD | ||
γ-Tocopherol | 4.37±0.02 | 4.26±0.20 | (6.32±0.08)a | (4.63±0.07)b | (5.29±0.09)b | (8.61±0.01)a | ||
α-Tocopherol | 89.25±0.88 | 77.93±4.85 | 116.45±0.00 | 112.21±3.79 | (135.71±1.06)b | (152.59±1.80)a | ||
Neoxanthin | 1.42±0.15 | 1.47±0.22 | 2.49±0.36 | 3.36±0.19 | <LOD | <LOD | ||
Violaxanthin | 4.87±0.61 | 5.70±0.69 | 4.35±0.76 | 4.17±0.06 | 20.04±1.31 | 22.61±1.62 | ||
Antheraxanthin | <LOD | <LOD | <LOD | <LOD | 6.14±0.55 | 7.29±0.21 | ||
Lutein | (8.59±0.08)b | (9.86±0.09)a | 9.47±0.02 | 9.24±0.08 | (2.46±0.04)b | (3.60±0.18)a | ||
Chlorophyll b | (18.57±0.63)b | (21.91±0.14)a | (3.58±0.09)a | (1.23±0.74)b | (8.87±0.69)a | (5.96±1.10)b | ||
Chlorophyll a | (59.54±0.04)b | (72.38±0.78)a | 25.39±0.59 | 21.64±2.00 | (67.53±0.19)b | (78.66±1.89)a |
Data are mean value±standard deviation (N=3). Mean values with different letters within each row are significantly different (p<0.05). LED=light-emitting diode, LOD=limit of detection