Spray-Dried Microencapsulation of Oregano (Lippia graveolens) Polyphenols with Maltodextrin Enhances Their Stability during In Vitro Digestion

Table 8

Identification and quantification of phenolic compounds in microencapsulated powder of oregano (Lippia graveolens) extracts.

TR (min)	MS^2	[M–H]¯	MS^2 ()	Identification	Compound type	Quantification
4.15	180.04	179.03	134.03, 135.04, 179.03	Caffeic acid	Phenolic acid	^a
5.41	448.10	447.09	284.03, 285.03, 447.09	Luteolin-7-glucoside	Flavone	^e
5.49	462.08	461.07	164.98, 285.04, 461.07	Scutellarin	Flavone	^e
5.65	304.05	303.05	125.02, 285.03, 303.04	Taxifolin	Flavanone	^e
6.08	432.10	431.09	268.03, 269.04, 431.09	Apigenin-7-glucoside	Flavone	^e
7.30	288.06	287.05	135.04, 151.00, 287.05	Eriodictyol	Flavanone	^e
7.36	286.04	285.03	133.02, 151.00, 285.03	Luteolin	Flavone	^b
7.38	302.04	301.03	151.00, 178.99, 301.03	Quercetin	Flavonol	^c
7.95	270.05	269.04	117.03, 151.00, 269.04	Apigenin	Flavone	^e
7.97	272.06	271.06	119.04, 151.00, 271.06	Naringenin	Flavanone	^e
8.01	274.08	273.07	123.04, 167.03, 273.07	Phloretin	Dihydrochalcone	^d
9.45	256.07	255.06	151.00, 213.05, 255.06	Pinocembrin	Flavanone	^e

^aμg caffeic acid/g microencapsulated, ^bμg luteolin /g microencapsulated, ^cμg quercetin /g microencapsulated, ^d;μg floretin /g microencapsulated, ^eμg quercetin equivalent/g microencapsulated. Results are shown as of three replicates ().