Simultaneous extraction, optimization, and analysis of flavonoids and polyphenols from peach and pumpkin extracts using a TLC-densitometric method

Table 1 Combinations of temperature, power and time with their coded level terms in parentheses terms obtained from RSM^a and the observed values of rutin, quercetin, ellagic acid, and myricetin

Run	Factor 1: A temperature °C	Factor 2: B power %	Factor 3: C time min	Rutin μg/g	Quercetin μg/g	Ellagic acid μg/g	Myricetin μg/g
1	40 (0)	30 (−1)	10 (−1)	2.65	2.54	3	2.96
2	50 (1)	50 (0)	10 (−1)	2.56	2.44	2.88	2.84
3	40 (0)	70 (1)	10 (−1)	2.67	2.55	2.98	2.94
4	30 (−1)	50 (0)	30 (1)	2.72	2.6	2.69	2.65
5	40 (0)	50 (0)	20 (0)	2.90	2.8	2.99	2.95
6	40 (0)	70 (1)	30 (1)	2.79	2.66	2.83	2.79
7	50 (1)	50 (0)	30 (1)	2.75	2.63	2.89	2.85
8	30 (−1)	30 (−1)	20 (0)	2.57	2.45	2.93	2.89
9	40 (0)	50 (0)	20 (0)	2.89	2.77	3.03	2.98
10	50 (1)	70 (1)	20 (0)	2.72	2.6	2.98	2.94
11	30 (−1)	50 (0)	10 (−1)	2.54	2.42	2.85	2.81
12	30 (−1)	70 (1)	20 (0)	2.62	2.5	2.79	2.75
13	40 (0)	50 (0)	20 (0)	2.89	2.78	3.02	2.97
14	50 (1)	30 (−1)	20 (0)	2.68	2.56	2.88	2.84
15	40 (0)	50 (0)	20 (0)	2.88	2.76	2.95	2.91
16	40 (0)	30 (−1)	30 (1)	2.71	2.59	2.95	2.91
17	40 (0)	50 (0)	20 (0)	2.85	2.73	3.02	2.95

ISSN: 2661-801X