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 number^a	tR (min)	(M)^+ (m/z)	MS^n (m/z)	Anthocyanins	Relative composition^b (%)
					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.