An Alginate/Cyclodextrin Spray Drying Matrix to Improve Shelf Life and Antioxidant Efficiency of a Blood Orange By-Product Extract Rich in Polyphenols: MMPs Inhibition and Antiglycation Activity in Dysmetabolic Diseases
Table 1
Total anthocyanin content of ExMR and ExF and relative percentage of individual anthocyanins.
Peak numbera
tR (min)
(M)+ (m/z)
MSn (m/z)
Anthocyanins
Relative compositionb (%)
ExMR
ExF
1
13.9
611
449/287
Cyanidin 3,5-diglucoside
1.31 ± 0.01
1.72 ± 0.08
2
14.2
465
303
Delphinidin 3-glucoside
2.65 ± 0.02
2.96 ± 0.13
3
14.5
611
287
Cyanidin 3-sophoroside
0.51 ± 0.01
0.16 ± 0.02
4
15.2
449
287
Cyanidin 3-glucoside
39.87 ± 0.17
31.80 ± 0.06
5
15.9
595
287
Cyanidin 3-rutinoside
1.34 ± 0.24
0.43 ± 0.10
6
16.8
479
317
Petunidin 3-glucoside
1.55 ± 0.02
1.53 ± 0.02
7
17.5
551
465/303
Delphinidin 3-(6″-malonyl)glucoside
1.53 ± 0.01
0.67 ± 0.08
8
17.9
463
301
Peonidin 3-glucoside
2.88 ± 0.03
2.90 ± 0.03
9
18.2
565
479/317
Petunidin 3-(6″-malonyl)glucoside
1.48 ± 0.01
0.58 ± 0.05
10
18.9
535
449/287
Cyanidin 3-(6″-malonyl)glucoside
21.73 ± 0.10
36.40 ± 0.05
11
19.9
593
449/287
Cyanidin 3-(6″-dioxalyl)glucoside
5.91 ± 0.03
8.02 ± 0.05
12
20.4
—
271
Pelargonidin derivative
1.23 ± 0.01
5.55 ± 0.03
13
21.7
549
463/301
peonidin 3-(6″-malonyl)glucoside
13.84 ± 0.11
5.81 ± 0.12
14
22.2
—
287
Cyanidin derivative
2.35 ± 0.03
1.01 ± 0.12
15
23.3
—
301
Peonidin derivative
1.82 ± 0.02
0.46 ± 0.08
Total anthocyanins (g C3G/100 g extract)c
0.81 ± 0.01
0.32 ± 0.02
aThe numbering is according to Figures 2(a) and 2(b). bRelative percentage of anthocyanins was based on HPLC peak areas recorded at 520 nm. cAnthocyanins are expressed as cyanidin 3-glucoside equivalents.