银杏以热风,室温及冻方式风乾后,比较其萃取物抗(17)

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

Table 9. Chelating ferric ion capacity of ethanol extract from Ginkgo 1

biloba leaf by different drying methods 來 EDTA (µg/mg) 36.91±9.22

葉

1 88.72±0.70bh

ay

12 82.30±1.70

葉

1 85.44±0.50bz 12 79.41±3.39ay 葉

1 62.15±3.05x 12 60.28±2.74x 冷 葉

1 69.20±1.36ay

12 83.00±0.32by Values are means ± SD from three groups of Ginkgo biloba ethanol extracts (n=3). Different superscripts xyz indicate significant (p<0.05) difference between different drying methods; ab indicate difference between different extract times.