Antioxidant and Tyrosinase Inhibitory Activities of Seed Oils from Torreya grandis Fort. ex Lindl.
Table 3
The test results of tyrosinase inhibition activity and kinetic parameters.
Name
(OD475/min)
IC50 (g/ml)
(mM)
(g/ml)
Diphenolase
TGSO
0.167
237.42±2.23
1.92
637.79±6.31
XYSO
0.147
227.01±2.68
1.61
587.6±3.87
ZMSO
0.1
277.98±1.38
0.89
297.39±5.61
TGMSO
0.063
244.52±4.15
0.87
317.57±3.48
CGSO
0.083
326.63±2.55
0.77
280.74±4.26
Kojic acid
-
32.65±0.42
-
-
Monophenolase
TGSO
0.066
849.42±4.37
0.72
481.87±6.84
XYSO
0.05
817.53±3.79
0.44
473.7±4.32
ZMSO
0.04
879.65±5.13
0.37
396.7±5.11
TGMSO
0.036
936.44±6.38
0.14
563.17±3.27
CGSO
0.027
968.28±6.52
0.22
443.43±4.44
Ascorbic acid
-
35.97±0.13
-
-
Summary of the inhibition kinetics of the antioxidants derived from the five different varieties of T. grandis. Notes. Data represent the mean values ± SD (n=3).