Table 1. Data profile of untarget analysis of UV-C irradiated mulberry leaves and identification of the compounds

ID no m/z [M-H]- RT (min) Peak area (n=4) Fold (B/A) p value Identification1)
Control [A] UV-C [B]
1 301 17.3 192,961 89,026,807 461.4 0.024 Morin nmr
2 271 21.6 29,084 9,302,458 319.9 0.064 2',4',2,4-Tetrahydroxychalcone nmr
3 243 14.0 213,234 56,092,055 263.1 0.003 Oxyresveratrol std
4 303 13.3 353,600 67,947,525 192.2 0.059 2,3-trans-Dihydromorin nmr
5 287 7.5 191,885 19,786,486 103.1 0.004 Dihydrokaempferol lit (2)
6 347 19.2 96,700 8,381,326 86.7 0.025
7 349 15.8 111,805 9,197,916 82.3 0.041
8 311 27.0 842,076 43,457,109 51.6 0.014 4'-Prenyloxyresveratrol nmr
9 289 6.5 359,196 15,241,368 42.4 0.005 Catechin std
10 241 18.1 112,189 3,094,511 27.6 0,041 Moracin M std
11 463 10.4 3,346,392 18,177,891 5.4 0.001 Quercetin-3-O-β-3-D-glucopyranoside nmr
12 291 38.7 992,875 4,689,250 4.7 0.007
13 339 32.7 1,087,792 4,375,991 4.0 0.103 Morachalcone A nmr
14 833 50.0 2,343,706 7,994,384 3.4 0.019
15 309 31.2 6,397,071 21,406,327 3.3 0.024 Moracin C
16 562 34.3 4,968,997 15,570,996 3.1 0.059
17 293 36.8 5,968,798 14,578,947 2.4 0.019
18 327 22.3 2,293,671 5,188,533 2.3 0.005 Moracin R
19 279 50.7 13,252,587 17,908,986 1.4 0.428
20 277 48.7 77,084,558 98,287,749 1.3 0.231
21 447 14.2 34,504,373 43,629,653 1.3 0.123 Kaempferol-3-O-β-D-glucopyranoside nmr
22 463 12.6 49,536,901 61,007,737 1.2 0.337
23 533 15.5 18,127,879 20,541,511 1.1 0.671 Kaempferol-3-O-(6"-malonyl)-β-glucopyranoside lit (25)
24 481 12.4 3,435,388 3,754,748 1.1 0.704
25 609 7.6 3,896,161 4,143,166 1.1 0.854
26 353 6.3 80,396,725 82,696,426 1.0 0.693
27 433 9.0 9,666,116 9,929,277 1.0 0.914 Quercetin-3-O-β-3-D-xylopyranoside lit (26)
28 309 30.1 6,730,597 6,891,433 1.0 0.935 Moracin N nmr
29 505 13.7 23,557,559 22,856,499 1.0 0.853 Quercetin 3-O-(6′′-O-acetyl)-β-D-glucopyranoside lit (27)
30 593 13.4 24,224,276 21,301,143 0.9 0.505 Kaempferol-3-O-β-D-rutinoside lit (27)
31 353 8.5 10,464,538 8,794,055 0.8 0.088 Chlorogenic acid std
32 609 11.9 66,756,386 52,443,918 0.8 0.117 Rutin std
33 559 37.7 96,045,582 56,427,930 0.6 0.138 Mulberrofuran I lit (2)
34 721 33.8 87,930,311 50,186,318 0.6 0.067
35 755 10.2 4,193,416 2,252,067 0.5 0.239 Kaempferol-rutinoside-hexoside lit (27)
1) identified by NMR (nmr, see