Table 1. Contents of yields, acidic polysaccharides and ginsenosides for response surface analysis of the extraction conditions of red and black ginseng
Exp. No.1) | Extraction conditions | Yield (%, g/100 mL) | Acidic polysaccharides (mg/mL) | Ginsenosides (mg/mL) |
Ethanol conc. (%) | Temperature (°C) | Red ginseng | Black ginseng | Red ginseng | Black ginseng | Red ginseng | Black ginseng |
Rg1 | Rb1 | Rb1 | Rg3 |
1 | 60 | 75 | 3.80±0.032) | 3.94±0.04 | 1.64±0.04 | 1.68±0.03 | 0.20±0.01 | 0.31±0.02 | 0.24±0.01 | 0.27±0.02 |
2 | 60 | 65 | 3.80±0.01 | 2.16±0.02 | 1.62±0.04 | 1.69±0.02 | 0.19±0.01 | 0.31±0.01 | 0.26±0.02 | 0.28±0.01 |
3 | 20 | 75 | 4.52±0.03 | 4.82±0.05 | 1.84±0.03 | 1.78±0.01 | 0.16±0.03 | 0.19±0.02 | 0.20±0.01 | 0.19±0.01 |
4 | 20 | 65 | 4.72±0.04 | 4.74±0.02 | 1.86±0.05 | 1.75±0.04 | 0.15±0.01 | 0.18±0.01 | 0.19±0.01 | 0.15±0.01 |
5 | 40 | 70 | 4.24±0.06 | 4.62±0.03 | 1.72±0.04 | 1.73±0.02 | 0.18±0.01 | 0.28±0.01 | 0.24±0.01 | 0.25±0.02 |
6 | 40 | 70 | 4.26±0.04 | 4.56±0.01 | 1.74±0.02 | 1.72±0.02 | 0.19±0.02 | 0.28±0.01 | 0.24±0.02 | 0.27±0.01 |
7 | 80 | 70 | 2.96±0.04 | 3.32±0.04 | 1.44±0.05 | 1.49±0.03 | 0.22±0.01 | 0.35±0.03 | 0.27±0.01 | 0.30±0.02 |
8 | 0 | 70 | 5.40±0.05 | 5.86±0.05 | 1.83±0.03 | 1.71±0.05 | 0.16±0.01 | 0.20±0.01 | 0.18±0.02 | 0.15±0.01 |
9 | 40 | 80 | 4.36±0.04 | 4.56±0.06 | 1.62±0.04 | 1.54±0.04 | 0.18±0.02 | 0.28±0.02 | 0.24±0.01 | 0.25±0.01 |
10 | 40 | 60 | 4.36±0.06 | 4.06±0.03 | 1.55±0.01 | 1.42±0.04 | 0.18±0.01 | 0.27±0.01 | 0.23±0.01 | 0.24±0.01 |
The number of experimental conditions by central composite design.
Values are mean±SD (n=3).