甜菜红 甜菜紫宁 7659-95-2 食品级甜菜红 现货 厂家直销

中文同义词: 甜菜红;甜菜紫宁;甜菜苷(用糊精稀释的红甜菜根的提取物);食品级甜菜红 

英文名称: BETANIN 

英文同义词: BETANIN;(s-(r*,r*))－－dihydro-6-hydroxy-1h-indol-1-yl)ethenyl)-3-dihydro-;2,6-pyridinedicarboxylicacid,4-(2-(2-carboxy-5-(beta-d-glucopyranosyloxy)-2,3;[S-(R*,R*)]-4-[2-[2-carboxy-5-(beta-D-glucopyranosyloxy)-2,3-dihydro-6-hydroxy-1H-indol-1-yl]vinyl]-2,3-dihydropyridine-2,6-dicarboxylic acid;2,6-Pyridinedicarboxylic acid, 4-2-(2S)-2-carboxy-5-(.beta.-D-glucopyranosyloxy)-2,3-dihydro-6-hydroxy-1H-indol-1-ylethenyl-2,3-dihydro-, (2S)-;(S-(R*,R*-(E,E)))-2-Carboxy-1-((2,6-dicarboxy-2,3-dihydro-4(1H)-pyridi nylidene)ethylidene)-5-(beta-D-glucopyranosyloxy)-2,3-dihydro-6-hydrox y-1H-indolium hydroxide, inner salt;Betanin (Red Beet extract diluted with Dextrin);(2S)-4-[2-[(2S)-2-Carboxy-5-(β-D-glucopyranosyloxy)-2,3-dihydro-6-hydroxy-1H-indol-1-yl]ethenyl]-2,3-dihydro-2,6-pyridinedicarboxylic acid 

分子式: C24H26N2O13 

分子量: 550.47 

EINECS号: 231-628-5 

含量：40%

化学性质  红色至紫红色膏状或粉末，无臭，水溶液呈红色至紫红色。可溶于水，不溶于乙醇。碱性溶液中变黄，Ph值3～7比较稳定；染着性好，但耐热性较差；光和氧会促进其降解。Ph值5.0时，半衰期为：1150min±100min(25℃)，14.5min±2min(100℃)；吸收波长为537~538nm。ADI不需特殊规定(FAO/WHO，1994)。