Nutritional and Biological Evaluation of Leaves of Mangifera indica from Mauritius

Table 4

Compounds determined by UPLC-MS/MS in the EtOAC and MeOH extracts of Mangifera indica in the negative-ion mode.

Entry	Identified compounds (name, formula)	Retention time	[M−H]^− (m/z)	Mol. wt. (m/z)	Fragment ions	EtOAC	MeOH	Reference
Phenolic compounds
1	Sodium gallate, C7H5NaO5	1.567	191	192	173, 109, 93, 85	√	√	[27]
Xanthones
2	Mangiferin, C19H18O11	7.715	421	422	331, 301, 285, 272, 259, 243, 227, 183, 171, 163	√	√	[34]
3	Isomangiferin, C19H18O11	6.999	421	422	331, 301	√	√	[34]
4	Mangiferin, 3-methyl ether C20H20O11	9.575	435	436	313, 255, 169, 140, 124	√		[32]
5	Mangiferin, 6-O-gallate C26H22O15	3.994	573	574	403, 331, 301		√	[34]
Flavonol
6	Kaemferol, C15H10O6	11.150	284	286	269, 240, 224, 212	√		[25]
7	Quercetin 3-O-glucoside, C21H19O12	10.863	462	463	445, 419, 401, 383, 355, 301, 291, 247, 229, 218, 171, 164	√		[33]
Benzophenones
8	Maclurin 3-C-β-D-glucoside, C19H20O11	8.859	423	424	332, 302, 286, 272, 259, 227, 216, 165	√	√	[41]
9	3-Glucosyl-2,3',4,4',6-pentahydroxybenzophenone, C19H20O11	4.423	423	424	314, 169, 109		√	[36]
10	Maclurin 3-C-(6’-O-p-hydroxybenzoyl)β-D-glucoside, C26H24O13	9.862	543	544	271, 258, 211, 193, 190, 175, 169, 163, 150	√	√	[36]
11	Maclurin mono-O-galloyl-glucoside, C26H24O15	8.574	575	576	231, 283			[31, 42]
12	Maclurin di-O-galloyl-glucoside, C33H28O19	9.718	727	728	287, 270, 245, 211, 193, 169	√		[31, 42]
Terpenoids
	Cycloartane-3,29-diol; 3β-form, C30H52O2	3.242	443	444	237, 189, 95, 59	√		[38]
	3,27-Dihydroxycycloart-24-en-26-oic acid, C30H48O4	12.009	472	472	256	√		[38]
Gallotannins
	Digalloyl glucoside, C20H20O14	11.865	483	484	254, 245, 153		√
	Tri-O-galloyl glucoside, C27H24O18	7.285	635	636	211, 169		√	[27, 43]
	Tetra-O-galloyl glucoside, C34H28O22	9.146	787	788	618, 466, 313, 295, 211, 193, 169	√	√	[26, 43]
	Penta-O-gallose-glucose, C41H32O26	9.577	939	940			√	[25, 44]
Other compounds
	Ferulic acid hexoside, C16H20O9	12.439	355	356	183	√		[24]
	Unknown	13.582	666	667	311, 282, 267, 226, 159	√
	Unknown	10.005	681	682	529, 331, 288, 269, 211, 169	√	√
	Unknown	12.725	815	816	410, 309, 355, 323	√	√
	Unknown	13.725	817	818	622, 283, 271, 255, 243	√
	Unknown	13.867	960	961	914, 415, 397, 277, 255, 233	√