RAPID SCREENING ASSAY OF CYANIDE CONTENT OF CASSAVA

被引:24
作者
BRADBURY, JH [1 ]
EGAN, SV [1 ]
机构
[1] AUSTRALIAN NATL UNIV,DIV BOT & ZOOL,CANBERRA,ACT 2601,AUSTRALIA
关键词
CYANIDE CONTENT; CASSAVA; MANIHOT-ESCULENTA; LINAMARIN; CYANOGENIC GLYCOSIDES;
D O I
10.1002/pca.2800030211
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A rapid, inexpensive screening assay was developed in order to measure the cyanide content of cassava (Manihot esculenta Crantz) tubers. A small disc of parenchyma tissue cut with a cork borer or alternatively grated tissue was placed in a stoppered glass tube and the hydrogen cyanide liberated produced a blue colour on a filter paper previously spotted with a drop of tetra-base 14,4'-methylenebis-(N,N-dimethylaniline)] and cupric acetate. The intensity of the blue colour which developed within one hour was rated visually on a graded scale from 0 to 5. The correlation coefficient between samples accurately analysed for total cyanide and also tested using the rapid assay was 0.77.
引用
收藏
页码:91 / 94
页数:4
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