食品科学
食品科學
식품과학
FOOD SCIENCE
2001年
1期
30-33
,共4页
金樱子提取N02清除作用
金櫻子提取N02清除作用
금앵자제취N02청제작용
金樱子提取液在模拟胃液的pH酸性条件下对NO、具有很强的清除作用。用0.1%柠檬酸作提取剂,在固液比为1:3、温度60C,提取时间为1h所得的金樱子提取液对NO2有87%以上的清除率;浸出液中的VC、还原糖、黄酮等对NO2的清除有重要作用;浸出液在低pH值(pH2~3)下对NO2清除作用强烈,随PH值升高,清除能力急剧下降。
金櫻子提取液在模擬胃液的pH痠性條件下對NO、具有很彊的清除作用。用0.1%檸檬痠作提取劑,在固液比為1:3、溫度60C,提取時間為1h所得的金櫻子提取液對NO2有87%以上的清除率;浸齣液中的VC、還原糖、黃酮等對NO2的清除有重要作用;浸齣液在低pH值(pH2~3)下對NO2清除作用彊烈,隨PH值升高,清除能力急劇下降。
금앵자제취액재모의위액적pH산성조건하대NO、구유흔강적청제작용。용0.1%저몽산작제취제,재고액비위1:3、온도60C,제취시간위1h소득적금앵자제취액대NO2유87%이상적청제솔;침출액중적VC、환원당、황동등대NO2적청제유중요작용;침출액재저pH치(pH2~3)하대NO2청제작용강렬,수PH치승고,청제능력급극하강。
The extract of Rosa Laevigata Michx to remove great part of NO-2 in the duplicating pH condition as gastric juice. It eliminated more than 87 percent of nitrous acid in the optimum extraction conditions:0.1% citric acid as extraction solvent,the ratio of solid and liquid 1 to 3,60℃ temp. and 1 hour extraction time. The elements of Rosa Laevigata Michx extracts such as vitamin C,reducing sugar and fiavonoid to work to remove NO2.When in Iow pH (pH2~3),it has great capability of eliminating NO-2,but with increasing of the pH value, the capability of clearing up reduced sharply.