根据药理研究,一种茅草的根内含多种有益于健康的成分,判断该产

根据药理研究,一种茅草的根内含多种有益于健康的成分,判断该产品是否适用于糖尿病患者饮用时,应该选择下列哪种试剂进行实验鉴定(    )

A.斐林试剂                               B.双缩脲试剂

C.苏丹Ⅲ试剂                             D.碘液

 

答案

A

糖尿病患者不宜食用含糖量多的食物,因此判断该产品是否适用于糖尿病患者饮用,应该选择斐林试剂进行实验鉴定。

 

相关题目

(l)图 8 中物体的长度是_____cm(2)小英同学按图9甲所示
(l)图 8 中物体的长度是_____cm(2)小英同学按图9甲所示的方法测量液体温度,其错误之处是_______________;纠正错误后,温度计示数如图 9 乙所示,
有一个物体以初速度v0沿倾角为θ的足够长的粗糙斜面上滑,
有一个物体以初速度v0沿倾角为θ的足够长的粗糙斜面上滑,到达最高点之后又加速下滑,那么能正确表示该物体的速度v随时间t变化的图线是(      
下列物质属于纯净物的是(  )   A.牛奶           B.
下列物质属于纯净物的是(  )   A.牛奶           B.冰红茶       C.冰水混合物       D.洁净的空气 
Prime Minister’s speech is deeply impressed _________ my memory. A. to    
Prime Minister’s speech is deeply impressed _________ my memory. A. to      B. over      C. by      D. on 
I’ll never forget the moment _____I first met Mary and _____ makes me already
I’ll never forget the moment _____I first met Mary and _____ makes me already feel happy.   A. that; that   B. which; what    C. at which; which    D. when; what
有炭粉和氧化铜的黑色固体20g,加热后将生成的气体通入足
有炭粉和氧化铜的黑色固体20g,加热后将生成的气体通入足量的石灰水中,气体全被吸收,产生了10g沉淀,求原混合物的组成。
The little girl could look after ________ though she was only five years old.
The little girl could look after ________ though she was only five years old.    A. she        B. her C. hers        D. herself
—If I go to see my friends, I'll bring them some flowers. —______. A.So
—If I go to see my friends, I'll bring them some flowers. —______. A.So will I            B.So I will            C.So do I             D.So I do

最新题目