银杏以热风,室温及冻方式风乾后,比较其萃取物抗(10)

银杏以热风,室温及冻方式风乾后,比较其萃取物抗氧化活性之研究

by different drying methods1

quercetin isorhamnetin kaempferol

來

(µg/mg) (µg/mg) (µg/mg)

葉 ybb 1.05±0.15 5.46±0.21 5.64±1.04b60

ybcy 1.17±0.25 6.17±0.17 5.61±0.23b80

0.19±0.12ax 1.31±0.05ax 1.10±0.31ax

100

葉 60 80 100

葉 60 80 100

冷 葉 60

80

2.91±2.03x 4.29±1.22xy 2.87±0.40y

2.10±0.89x 2.92±0.39x 3.04±0.21xy

5.49±1.21by 3.43±0.37ax 3.54±0.16ay

1.23±0.46 1.13±0.20 0.87±0.28y

1.06±0.27 0.90±0.23 0.90±0.10y

1.26±0.22 1.01±0.20 0.90±0.22y

5.71±0.66b 4.24±0.86abx 3.58±0.68ay

4.45±1.02 3.60±0.57x 3.71±0.46y

5.34±0.72b 4.17±0.49ax 4.14±0.23ay

100

1

Values are means ± SD from three groups of Ginkgo biloba water

extracts (n=3). Different superscripts xy indicate significant (p<0.05) difference between different drying methods; abc indicate difference between different extract temperatures.