The Scientific World Journal / 2014 / Article / Tab 2

Research Article

Optimization of Reflux Conditions for Total Flavonoid and Total Phenolic Extraction and Enhanced Antioxidant Capacity in Pandan (Pandanus amaryllifolius Roxb.) Using Response Surface Methodology

Table 2

The result of experimental and predicted values of reflux extraction of TF, TP, and AC.

Run TF (mg/g DW)TP (mg/g DW)AC%
Experimental valuesPredicted valuesExperimental valuesPredicted valuesExperimental valuesPredicted values

110.5250300.550.563.123.1844.7044.80
28070201.521.506.246.2083.2083.37
3505016.841.161.155.555.5070.4070.42
4 (C)5050301.331.265.945.9075.8074.48
58070401.741.706.586.5587.5087.36
62030200.670.683.793.8252.0052.19
75076.32301.401.396.066.0680.0080.10
8 (C)5050301.221.265.845.9073.0074.48
98030401.441.436.106.1679.4079.81
102030400.710.713.823.8553.1052.98
11 (C)5050301.311.265.895.9075.3074.48
12505043.161.351.335.955.9175.8075.60
13 (C)5050301.271.266.025.9774.2074.48
145023.68301.151.175.895.8372.7073.10
152070200.810.793.993.9353.8053.43
16 (C)5050301.281.265.945.9074.5074.48
1789.4850301.381.406.116.1480.5080.61
18 (C)5050301.211.265.855.9073.8074.48
192070400.880.904.104.1254.9055.82
208030201.371.326.005.9878.8077.49

(C): central point; : MC; : ET; : LS ratio.