光谱实验室
光譜實驗室
광보실험실
CHINESE JOURNAL OF SPECTROSCOPY LABORATORY
2010年
2期
658-660
,共3页
徐秀廷%赵玉英%李广环%韩娜仁花
徐秀廷%趙玉英%李廣環%韓娜仁花
서수정%조옥영%리엄배%한나인화
荞麦花%黄酮%提取%分光光度法
蕎麥花%黃酮%提取%分光光度法
교맥화%황동%제취%분광광도법
Buckwheat Flower%Flavonoids%Extraction%Spectophotometry
用水将荞麦花中的水溶性成分提取后,再从水溶性提取物中将黄酮类物质分离,用硝酸铝-亚硝酸钠方法对黄酮的含量进行了测定,求得其校准曲线的回归方程为y=11.902x-0.021,相关系数为r=0.9996.平均回收率为100.8%.RSD=0.98%(n=5).
用水將蕎麥花中的水溶性成分提取後,再從水溶性提取物中將黃酮類物質分離,用硝痠鋁-亞硝痠鈉方法對黃酮的含量進行瞭測定,求得其校準麯線的迴歸方程為y=11.902x-0.021,相關繫數為r=0.9996.平均迴收率為100.8%.RSD=0.98%(n=5).
용수장교맥화중적수용성성분제취후,재종수용성제취물중장황동류물질분리,용초산려-아초산납방법대황동적함량진행료측정,구득기교준곡선적회귀방정위y=11.902x-0.021,상관계수위r=0.9996.평균회수솔위100.8%.RSD=0.98%(n=5).
The flavonoids was extracted from buckwheat flower with hot ethanol-water extender method and its content was determined by aluminum nitrate-sodium nitrite method.The regression equation is y= 11.902x-0.021 and r=0.9996.The average recovery was 100.8% ,RSD=0.98% (n=5),
