Citrus limon from Tunisia: Phytochemical and Physicochemical Properties and Biological Activities

Table 2

Identification and analysis of the phenolic composition of ZL extracts using liquid chromatography high performance coupled with mass spectrometry (LC-MS/MS).

Pic	TR (min)	UV (nm)	[M-H]^−	MS^2	Structure
(1)	5.78	326	365.1446	263, 125, 142, 221, 302, 320	Caffeoyl N-Tryptophan
(2)	6.60	300 sh, 330	355.0666	147, 191, 209, 337	Fer-glc (acid Hydroxycinnamoyl-Oglucoside)
(3)	7.58	268, 338	593.1503	473, 353, 383, 503, 575	Vicenin 2
(4)	9.35	284, 334 sh	595.1659	287	Eriocitrin
(5)	10.02	256, 266, 350	593.1504	285, 151, 175, 199, 216, 241, 257	Kaempferol-3-O- rutinoside
(6)	11.09	263, 298 sh, 356	609.1819	301, 151, 178, 255, 271	Quercetin-3-rutinoside (Rutin)