Table 3.

Secondary metabolites identified from different quinoa varieties.

Variety	Observed Compounds/Reports	References
Minttumatilda	Vanillic acid, gallic acid, p-benzoic acid, syringaldehyde, ferulic acid	[99]
Four varieties of white (Q-w1), red (Q-r1 and Q-r2) and black (Q-b1) and three varieties of white (Q-w2), red (Q-r3) and black (Q-b2)	Gallic acid, caffeic acid, ferulic acid, p-coumaric acid, p-OH benzoic acid, vanillic acid, protocatechuic acid	[99]
Q25, Q50, Q100, Q25S, Q50S, Q100S	1-O-galloyl-β-d-glucose, acacetin/questin/apigenin-7-methyl ether, protocatechuic acid 4-O-glucoside, vanillic glucoside, penstebiosided, canthoside A/2-hydroxybenzoate 2-O-β-d-apiofuranosyl-(1→6)-O-β-Dglucopyranoside, ferulic acid 4-O-glucoside, ethyl-m-digallate, (epi) gallocatechin, quercetin 3-O-(2,6-di-α-l-rhamnopyranosyl)-β-d-galactopyranoside, kaempferol 3-O-β-d-apiofuranosyl(1‴→2″-O-[α-l-rhamnopyranosyl(1‴→6″]-β-d-galactopyranoside, kaempferol 3-O-β-d-apiofuranosyl(1‴→2″-O-[α-l-rhamnopyranosyl(1‴→ 6″]-β-d-galactopyranoside isomer, kaempferol 3-O-(2,6-di-α-l-rhamnopyranosyl)-β-d-galactopyranoside (mauritianin), quercetin 3-O-[ β-d-apiofuranosyl(1‴→2″)]-β-d-galactopyranoside, rutin, quercetin glucuronide, quercetin 3-O-glucoside	[85]
Red quinoa (RQ), white quinoa (WQ), Mengli 1 (gray quinoa, GQ), Altiplano, djulis cultivar	Protocatechuic acid, p-hydroxybenzoic acid, vanillic acid, caffeic acid, syringic acid, p-coumaric acid, ferulic acid, isoferulic acid	[100]
White and red quinoa	Gentisic acid, L-alpha-hydroxy isovaleric acid, 3-hydroxybenzoic acid, p-coumaric acid, methyl-b-d-galactopyranoside, 3-(3,4-dihydroxyphenyl)propionic acid hesperidin	[100]
Puno, Titicaca	Ferulic acid, 5-O-caffeoylquinic acid, gentisic acid, p-coumaric acid, ellagic acid, pterostilbene, coniferyl aldehyde	[13]
White quinoa, red quinoa, black quinoa	Protocatechuic acid, p-hydroxybenzoic acid, vanillic acid, syringic acid, p-coumaric acid, ferulic acid, sinapic acid, isoferulic acid	[6]