A comparative study of chemical composition, phenolic compound profile and antioxidant activity of wild grown, field and greenhouse cultivated Physalis (P. alkekengi and P. peruviana)

Table 4 Phenolic compounds quantified by HPLC–MS/MS with the calibration curve, correlation coefficient and limits of detection (LOD) and quantification (LOQ)

Phenolic compounds	Calibration curve	R²	LOD (μg g⁻¹)	LOQ (μg g⁻¹)
Coumaric acid	y = 74.205x—34.942	0.9998	3.15	9.55
Caffeic acid	y = 65.587x + 88.052	0.9957	15.67	47.50
Ferulic acid	y = 4.8818x + 49.691	0.9871	37.27	112.94
Gallic acid	y = 65.599x + 87.825	1	5.01	15.18
Chlorogenic acid	y = 63.101x + 170.92	0.9998	9.53	31.78
Catechin	y = 2.2327x + 10.584	0.9997	34.08	103.29
Quercetin	y = 56.795x—4833.2	0.9913	223.37	676.90
Rutin	y = 30.178x—516.58	0.9973	69.09	209.38
Kaempferol	y = 4.0763x—54.709	0.9984	74.22	224.91
Chrysophanol	y = 0.7499x—5.7121	0.9991	39.79	120.60
Physcion	y = 3.4561x—54.723	0.9995	40.48	122.68
Myricetin	y = 2.7016x—27.874	0.9989	52.39	158.78

ISSN: 2661-8974