Chemical Composition and Antioxidant Activity of Aloe vera from the Pica Oasis (Tarapacá, Chile) by UHPLC-Q/Orbitrap/MS/MS

Table 3

Distribution of the phenolic compounds identified tentatively in methanolic extract of peel, flower, gel, and root from Chilean A. vera.

Peak no.	Tentative identification	Peel	Flower	Gel	Root
1	Aloesin and aloeresin B	X	X	X	X
2	Chlorogenic acid	X	X	—	X
3	Caffeic acid	X	X	—	X
4	Aloe emodin-diglucoside	X	X	—	X
5	Isoquercitrin	X	X	—	—
6	Kaempferol-3-O-hexosyl-O-pentoside	X	X	—	X
7	6-Methyl-1,3,8-trihydroxyanthraquinone (emodin)	—	—	—	X
8	Luteolin-8-C-glucoside (orientin)	X	X	—	—
9	Feruloylquinic acid	—	X	—	—
10	10-Hydroxyaloin A	X	X	—	X
11	Isovitexin	X	X	—	X
12	Chrysoeriol-7-O-glucuronide	X	X	—	X
13	Caffeoyl ester of aloesin	X	—	—	X
14	Aloin A	X	X	X	X
15	Isoaloeresin D	X	X	X	X
16	2′-p-Methoxycoumaroylaloeresin B	X	—	—	—
17	4,5-Dimethyl ether of Aloe emodin	X	—	X	X
18	Aloin B	X	—	X	X
19	6′-Malonylnataloin	X	X	—	X
20	Naringenin-4′-methoxy-7-O-glucuronide	X	—	X	X
21	7-Methylether of 2′-feruloylaloesin	X	—	X	—
22	Aloe emodin-8-O-glucoside	—	X	—	—
23	5,3′-Dihydroxy-6,7,4′-trimethoxyflavone (eupatorin)	—	X	X	X
24	Trihydroxy octadecenoic acid	X	X	X	X
25	3,4-Di-O-caffeoylquinic acid	X	—	—	—

X: presence of compounds; —: absence of compounds.