Table 3. Changes in contents of secondary metabolites of mulberry leaves upon UV-C irradiation

ID no Metabolites Content (μg/gfw) (n=4) Fold (B/A) p value
Control [A] UV-C [B]
1 Morin 2.6±1.1 1,211.0±176.0 464.3 0.020
2 2',4',2,4-Tetrahydroxychalcone 0.1±0.1 14.9±4.3 120.2 0.027
3 Oxyresveratrol 2.6±0.7 664.1±36.1 256.2 0.003
4 2,3-trans-Dihydromorin 0.4±0.1 74.3±18.4 169.8 0.056
8 4'-Prenyloxyresveratrol 0.9±0.2 40.1±5.0 42.8 0.015
9 Catechin 2.6±1.9 222.2±27.7 84.2 0.015
10 Moracin M 1.0±0.3 35.9±7.5 35.4 0.043
11 Quercetin-3-O-β-3-D-glucopyranoside 117.7±8.6 142.7±22.1 1.2 0.377
13 Morachalcone A 0.9±0.1 3.4±0.7 3.6 0.071
15 Moracin C 4.8±2.1 11.5±1.9 2.4 0.081
21 Kaempferol-3-O-β-D-glucopyranoside 81.2±7.5 103.1±7.3 1.3 0.104
28 Moracin N 5.8±0.7 4.6±2.2 0.8 0.644
31 Chlorogenic acid 2,444.1±441.8 2,893.8±257.1 1.2 0.439
32 Rutin 1,390.8±36.3 1,073.7±88.7 0.8 0.134
Sum 4,055 6,495 1.6