中医学报
中醫學報
중의학보
China Journal of Chinese Medicine
2015年
5期
706-707
,共2页
代丽萍%高爱社%方晓艳%杨萌萌%苗明三
代麗萍%高愛社%方曉豔%楊萌萌%苗明三
대려평%고애사%방효염%양맹맹%묘명삼
凌霄花%总黄酮%紫外分光光度法%含量测定
凌霄花%總黃酮%紫外分光光度法%含量測定
릉소화%총황동%자외분광광도법%함량측정
Chinese trumpet creeper%the total flavonoids%UV-Vis spectrophotometry%quantitative determination
目的:建立凌霄花提取物中总黄酮含量测定方法。方法:采用紫外分光光度法,以槲皮素为对照品,在262 nm处测定凌霄花提取物中总黄酮含量。结果:槲皮素质量浓度在4.88~39.04 mg·L-1内线性关系良好,r=0.9996,平均回收率为100.03%(RSD=1.10%)。结论:该方法简便、准确、重现性好,可用于凌霄花提取物的质量控制。
目的:建立凌霄花提取物中總黃酮含量測定方法。方法:採用紫外分光光度法,以槲皮素為對照品,在262 nm處測定凌霄花提取物中總黃酮含量。結果:槲皮素質量濃度在4.88~39.04 mg·L-1內線性關繫良好,r=0.9996,平均迴收率為100.03%(RSD=1.10%)。結論:該方法簡便、準確、重現性好,可用于凌霄花提取物的質量控製。
목적:건립릉소화제취물중총황동함량측정방법。방법:채용자외분광광도법,이곡피소위대조품,재262 nm처측정릉소화제취물중총황동함량。결과:곡피소질량농도재4.88~39.04 mg·L-1내선성관계량호,r=0.9996,평균회수솔위100.03%(RSD=1.10%)。결론:해방법간편、준학、중현성호,가용우릉소화제취물적질량공제。
Objective:To establish quantitative methods of total flavonoids.The content of total flavonoids was determined at 262 nm by UV Methods Using quercetin as standard.The linear range for the UV determination was 4.88-39.04 μg·mL-1 ,with correlation co-efficient being 0.999 6 and the recovery being 100.03 %(RSD=1.10%).Conclusions:The presentmethods are simple,accurate with good reproducibility,suggesting it is practical for the quality control of Chinese trumpet creeper extract.