申请人:Oxis Isle of Man, Limited
公开号:US05726063A1
公开(公告)日:1998-03-10
A colorimetric assay of enaldehydes or of malonic dialdehyde as lipid peroxidation indices in an aqueous medium including a) addition to the medium of a reagent of a compound of general formula I and their optional addition salts with organic or inorganic bases or with organic or inorganic acids. ##STR1## in which formula: A and C, which may be identical or different, each represent H, ##STR2## wherein A and C cannot simultaneously represent H, with: R.sup.1 =H; alkyl; aralkyl; aryl substituted on the aryl ring; alkyl sulfonate Y.sup.+ ; alkyl phosphonate, Y.sup.+ ; or alkyl carboxylate, Y.sup.+ ; R.sup.2 =H; --OR.sup.4 ; F; Cl; Br; I; --NO.sub.2 ; SO.sub.3.sup.31 Y.sup.+ ; --CN; --COOR.sup.4 ; or --CONR.sup.5 R.sup.6 ; R.sup.3 =H; --OR.sup.4 ; --NR.sup.5 R.sup.6 ; --SR.sup.4 ; F; Cl; Br; I; --NO.sub.2 ; --SO.sub.3 --Y.sup.+ ; --CN; --COR.sup.5 ; --COOR.sup.4 ; or --CONR.sup.5 R.sup.6 ; R.sup.4 =H; alkyl; aralkyl; or aryl substituted on the aryl ring; R.sup.5 =H; alkyl; aralkyl; or aryl substituted on the aryl ring; R.sup.6 =H; aryl, aralkyl; or aryl substituted on the aryl ring; Y.sup.+ =cation of an organic or inorganic base; ##STR3## wherein alkyl represents a linear or branched group comprising 1 to 6 carbon; aryl is substituted on the aryl ring with one or more groups which may be identical or different selected from C.sub.1-6 alkyl, alkoxy, hydroxy, amino and carboxyl; b) acidification of the medium; and c) incubation of the acidified medium. Requisites or kits for the implementation of the process are also disclosed.
在含有颜色测定法的水性介质中,以烯醛或马来酸二醛作为脂质过氧化指标,包括a) 向介质中添加一种一般式I化合物及其与有机或无机碱或有机或无机酸的可选加盐。其中式中:A和C,可能相同也可能不同,每个代表H,其中A和C不能同时代表H,其中:R.sup.1 =H;烷基;芳基烷基;芳基在芳环上取代;烷基磺酸酯Y.sup.+;烷基膦酸酯Y.sup.+;或烷基羧酸酯Y.sup.+;R.sup.2 =H;--OR.sup.4;F;Cl;Br;I;--NO.sub.2;SO.sub.3.sup.31 Y.sup.+;--CN;--COOR.sup.4;或--CONR.sup.5 R.sup.6;R.sup.3 =H;--OR.sup.4;--NR.sup.5 R.sup.6;--SR.sup.4;F;Cl;Br;I;--NO.sub.2;--SO.sub.3 --Y.sup.+;--CN;--COR.sup.5;--COOR.sup.4;或--CONR.sup.5 R.sup.6;R.sup.4 =H;烷基;芳基烷基;或芳基在芳环上取代;R.sup.5 =H;烷基;芳基烷基;或芳基在芳环上取代;R.sup.6 =H;芳基,芳基烷基;或芳基在芳环上取代;Y.sup.+ =有机或无机碱的阳离子;其中烷基表示由1至6个碳组成的直链或支链基团;芳基在芳环上取代一个或多个可能相同或不同的基团,选自C.sub.1-6烷基、烷氧基、羟基、氨基和羧基;b) 酸化介质;和c) 孵育酸化的介质。还公开了用于实施该过程的必需品或工具包。