Table 4. Comparison between predicted and experimental values for response variables of cumin at the given condition within the range of optimal condition

Variables Temperature (°C) Ethanol (%) Extraction time (min)
Given condition 39 40 51
Responses Predicted value (A) Experimental value (B) B/A×100 (%)
Yield 20.31 21.00±0.492) 103.40
TPC1) 27.11 26.80±0.22 98.86
DPPH 52.47 55.71±2.29 106.17
ABTS 41.04 44.12±2.18 107.50
TPC, total polyphenolics content; DPPH, 2,2-diphenyl-1-picrylhydrazyl radical scavenging ability; ABTS, 2,2'-azinobis (3-ethylbenzothiazoline-6-sulphonic acid) radical cation inhibition.
Mean±SD (n=3).