Partial Purification of Anthocyanins (Brassica oleracea var. Rubra) from Purple Cabbage Using Natural and Modified Clays as Adsorbent

Table 2

Constituents identified or tentatively identified in the ACN extract of red cabbage.

Peak	(min)	[M+] (m/z)		Ion fragments (m/z)	Error (ppm)	Molecular formula	Compound	Ref.
		Observed	Calculated
1	2.254	773.2140	773.2150	611/449/287	1.3	C33H41O21	Cyanidin-3-diglucoside-5-glucoside	[54]
2	3.889	919.2508	919.2525	757/449/287	1.5	C42H47O23	Cyanidin-3-(p-coumaroyl)-diglucoside-5-glucoside	[54]
3	4.006	979.2719	979.2745	817/449/287	2.1	C44H51O25	Cyanidin-3-(sinapoyl)-diglucoside-5-glucoside	[54]
3	4.006	949.2628	949.2630	287	1.5	C43H49O24	Cyanidin-3-(feruloyl)-diglucoside-5-glucoside	[51]
4	4.292	1125.3087	1125.3149	963/449/287	5.5	C53H57O27	Cyanidin-3-(feruloyl)(feruloyl)-diglucoside-5-glucoside	[53]
5	4.354	1155.3193	1155.3282	993/287/449	7.9	C54H59O28	Cyanidin-3-(sinapoyl)(feruloyl)-diglucoside-5-glucoside	[51]