陜西L組氨酸生產廠家 陜西L組氨酸生產廠家

分子式：C6H9N3O2

英文名 ：L-Histidine,               　

性(xing)狀：白色(se)晶(jing)體或結晶(jing)性(xing)粉末(mo).無臭.               

物理性質(zhi)：無色針狀或片狀結晶(jing)，在277℃時軟化(hua)，287℃分解(jie)。25℃時在水(shui)中的溶(rong)解(jie)度為41.9g/L，微溶(rong)于醇

 制備方法：從(cong)豬血(xue)(xue)、牛血(xue)(xue)中提取。豬血(xue)(xue)經噴霧干燥制得血(xue)(xue)粉(fen)，每(mei)100kg豬血(xue)(xue)約18kg血(xue)(xue)粉(fen)。

占食品(pin)(pin)中總(zong)蛋白質量(liang)的2.4%(FDA§172．320，2000)。FEMA：焙烤制(zhi)品(pin)(pin)、肉制(zhi)品(pin)(pin)、乳制(zhi)品(pin)(pin)、糖果(guo)、糖霜，均150mg/kg。化(hua)(hua)學性(xing)質白色晶(jing)體(ti)或(huo)結晶(jing)性(xing)粉末。無(wu)臭。稍有苦味。約于(yu)(yu)277～288℃熔化(hua)(hua)并分解(jie)。其咪唑基(ji)(ji)易與(yu)金屬離子形成(cheng)絡鹽(yan)(yan)。溶于(yu)(yu)水(4.3g/100ml，25℃)，極難溶于(yu)(yu)乙醇。因溶解(jie)度(du)極小(xiao)等(deng)原因，常(chang)用(yong)(yong)(yong)(yong)者為其鹽(yan)(yan)酸(suan)鹽(yan)(yan)。用(yong)(yong)(yong)(yong)途營(ying)養增補劑(ji)(ji)。氨(an)(an)基(ji)(ji)酸(suan)輸液(ye)及(ji)綜合(he)氨(an)(an)基(ji)(ji)酸(suan)制(zhi)劑(ji)(ji)的極重(zhong)要(yao)成(cheng)分。醫藥上用(yong)(yong)(yong)(yong)于(yu)(yu)Chemicalbook治(zhi)療(liao)胃(wei)潰(kui)(kui)瘍(yang)、貧血、過敏(min)癥等(deng)。用(yong)(yong)(yong)(yong)途用(yong)(yong)(yong)(yong)于(yu)(yu)生(sheng)(sheng)化(hua)(hua)研(yan)究，醫藥上用(yong)(yong)(yong)(yong)作(zuo)治(zhi)療(liao)胃(wei)潰(kui)(kui)瘍(yang)、貧血、過敏(min)癥等(deng)。用(yong)(yong)(yong)(yong)途氨(an)(an)基(ji)(ji)酸(suan)類藥。氨(an)(an)基(ji)(ji)酸(suan)輸液(ye)及(ji)綜合(he)氨(an)(an)基(ji)(ji)酸(suan)制(zhi)劑(ji)(ji)的主要(yao)成(cheng)分，用(yong)(yong)(yong)(yong)于(yu)(yu)治(zhi)療(liao)胃(wei)潰(kui)(kui)瘍(yang)，貧血及(ji)心絞痛、主動脈(mo)炎(yan)、心功能(neng)不全等(deng)心血管系統疾患。不良反應和(he)禁(jin)忌(ji)：低毒(du)，成(cheng)人中毒(du)量(liang)>64g/日。如鹽(yan)(yan)酸(suan)組胺酸(suan)注射有頭疼、潮紅(hong)、熱感。用(yong)(yong)(yong)(yong)途用(yong)(yong)(yong)(yong)作(zuo)營(ying)養強化(hua)(hua)劑(ji)(ji)，是氨(an)(an)基(ji)(ji)酸(suan)輸液(ye)、復合(he)氨(an)(an)基(ji)(ji)酸(suan)制(zhi)劑(ji)(ji)中的重(zhong)要(yao)組成(cheng)。可用(yong)(yong)(yong)(yong)于(yu)(yu)治(zhi)療(liao)胃(wei)潰(kui)(kui)瘍(yang)。也(ye)用(yong)(yong)(yong)(yong)于(yu)(yu)生(sheng)(sheng)化(hua)(hua)研(yan)究。用(yong)(yong)(yong)(yong)途用(yong)(yong)(yong)(yong)作(zuo)醫藥原料及(ji)食品(pin)(pin)添加劑(ji)(ji)