International Scholarly Research Notices

Review Article

Recent Applications of Mass Spectrometry in the Study of Grape and Wine Polyphenols

Fragments from M⁺ ions of anthocyanins in Clinton grape skin extract produced by direct-ESI and [66].


Anthocyanin	m/z

	M⁺	[M − C₆H₁₀O₅]⁺

Malvidin-3-O-monoglucoside	493	331
Petunidin-3-O-monoglucoside	479	317
Delphinidin-3-O-monoglucoside	465	303
Peonidin-3-O-monoglucoside	463	301
Cyanidin-3-O-monoglucoside	449	287

	M⁺	[M − C₈H₁₂O₆]⁺

Malvidin-3-O-(6-O-acetyl)monoglucoside	535	331
Petunidin-3-O-(6-O-acetyl)monoglucoside	521	317
Delphinidin-3-O-(6-O-acetyl)monoglucoside	507	303
Peonidin-3-O-(6-O-acetyl)monoglucoside	505	301
Cyanidin-3-O-6-O-(acetyl)monoglucoside	491	287

	M⁺	[M − C₁₅H₁₆O₇]⁺

Malvidin-3-O-(6-O-p-coumaroyl)monoglucoside	639	331
Petunidin-3-O-(6-O-p-coumaroyl)monoglucoside	625	317
Delphinidin-3-O-(6-O-p-coumaroyl)monoglucoside	611	303
Peonidin-3-O-(6-O-p-coumaroyl)monoglucoside	609	301
Cyanidin-3-O-(6-O-p-coumaroyl)monoglucoside	595	287

	M⁺	[M − C₆H₁₀O₅]⁺	[M − 2(C₆H₁₀O₅)]⁺

Malvidin-3,5-O-diglucoside	655	493	331
Petunidin-3,5-O-diglucoside	641	479	317
Delphinidin-3,5-O-diglucoside	627	465	303
Peonidin-3,5-O-diglucoside	625	463	301
Cyanidin-3,5-O-diglucoside	611	449	287

	M⁺	[M − C₆H₁₀O₅]⁺	[M − C₁₅H₁₆O₇]⁺	[M − C₁₅H₁₆O₇–C₆H₁₀O₅]⁺

Malvidin-3-(6-O-p-coumaroyl),5-O-diglucoside	801	639	493	331
Petunidin-3-(6-O-p-coumaroyl),5-O-diglucoside	787	625	479	317
Delphinidin-3-(6-O-p-coumaroyl),5-O-diglucoside	773	611	465	303
Cyanidin-3-(6-O-p-coumaroyl),5-O-diglucoside	757	595	449	287

	M⁺	[M − C₁₅H₁₆O₈]⁺

Malvidin-3-O-(6-O-caffeoyl)monoglucoside	655	331