银杏以热风,室温及冻方式风乾后,比较其萃取物抗(11)

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 3. DPPH free radical half scavenging concentration of ethanol 1

extract from Ginkgo biloba leaf by different drying methods DPPH 數 量

來

(µg/ml)

76.48±9.73

葉

ax

1 621.11±10.02

b

12 721.83±19.83 葉

1 678.15±141.12xy 12 574.58±132.4 葉

1 902.95±175.61y 12 707.46±87.09 冷 葉

1 739.3±117.8xy 12 627.39±132.19

C 8.81±0.31

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

1