Optimization of Cat’s Whiskers Tea (Orthosiphon stamineus) Using Supercritical Carbon Dioxide and Selective Chemotherapeutic Potential against Prostate Cancer Cells
Table 1
Percentage yield of the extracts obtained from Orthosiphon stamineus tea leaves using SC-CO2 in relation to time interval, temperature, and pressure.
Sample
Temperature
Pressure
Percentage yield (g/100 g) in the extraction time intervals
Correlation
code
(°C)
(MPa)
15 min
30 min
45 min
60 min
value
A1
40
20.7
0.55 ± 0.1
0.66 ± 0.07
0.71 ± 0.07
0.66 ± 0.09
0.92
A2
60
20.7
0.42 ± 0.08*
0.57 ± 0.1
0.68 ± 0.1
0.76 ± 0.1*
0.79
A3
80
20.7
0.38 ± 0.06
0.42 ± 0.07
0.46 ± 0.07
0.46 ± 0.08
0.66
B1
40
31.1
0.48 ± 0.1
0.67 ± 0.09
0.70 ± 0.09
0.70 ± 0.08
0.95
B2
60
31.1
0.47 ± 0.06
1.07 ± 0.07*
1.07 ± 0.07*
1.74 ± 0.12*
0.97
B3
80
31.1
0.36 ± 0.03
0.40 ± 0.07
0.40 ± 0.07
0.55 ± 0.1
0.89
C1
40
41.4
0.33 ± 0.1
0.74 ± 0.2
0.82 ± 0.2*
0.87 ± 0.1*
0.96
C2
60
41.4
0.32 ± 0.04
0.72 ± 0.1
0.66 ± 0.1
0.67 ± 0.09
0.93
C3
80
41.4
0.29 ± 0.06
0.66 ± 0.05
0.62 ± 0.05
0.64 ± 0.08
0.77
Results are presented as mean ± SD ( = 3); < 0.05.