食shi用yong油you的de顏yan色se指zhi數shu是shi評ping價jia食shi用yong油you質zhi量liang的de特te征zheng指zhi標biao之zhi一yi,食shi用yong油you中zhong的de色se素su會hui影ying響xiang油you的de外wai觀guan和he性xing能neng,不bu同tong的de色se素su對dui油you的de穩wen定ding性xing有you不bu同tong的de影ying響xiang。尤you其qi是shi用yong於yu食shi品pin、化妝品、精jing細xi化hua工gong等deng領ling域yu的de油you脂zhi,對dui其qi色se澤ze的de要yao求qiu更geng為wei嚴yan格ge。食shi用yong油you脫tuo色se的de目mu的de是shi降jiang低di油you的de顏yan色se,得de到dao淺qian色se或huo天tian然ran的de油you,但dan今jin天tian食shi用yong油you脫tuo色se的de目mu的de主zhu要yao是shi去qu除chu油you中zhong不bu良liang的de副fu產chan物wu,包bao括kuo那na些xie不bu利li於yu食shi品pin安an全quan和he衛wei生sheng的de某mou些xie有you害hai物wu質zhi,因yin此ci,在zai食shi用yong油you生sheng產chan過guo程cheng中zhong,要yao想xiang獲huo得de符fu合he食shi用yong油you標biao準zhun的de優you質zhi油you,就jiu需xu要yao使shi用yong煉lian油you設she備bei對dui油you進jin行xing脫tuo色se處chu理li。
1、色素
shiyongyouzhizhongdesesuzhuyaobaokuoyelvsuheleihuluobusu。yixieyouhaihanyouteshuyanliao。liru,mianziyouzhongdemianfenhuishiyouchengxianshenhese。zhexieyourongxingsesudabufenshizaishengchanzhifangdeguochengzhongjinruyouzhongde,yeyouyixieshizaishengchanzhifangdeguochengzhongchanshengde。liruyelvsuzaigaowenzuoyongxiazhuanhuaweiyelvsudehongsebianti,tielizixianghuzuoyongchanshengyoulizhifangsuan。heitiezaodeng。
2、有機降解產物
有機降解產物是降解油籽中蛋白質、磷脂、碳水化合物等成分的降解產物。
3、色原體
色(se)原(yuan)體(ti)在(zai)正(zheng)常(chang)情(qing)況(kuang)下(xia)是(shi)沒(mei)有(you)顏(yan)色(se)的(de),但(dan)經(jing)過(guo)氧(yang)化(hua)或(huo)特(te)定(ding)試(shi)劑(ji)的(de)作(zuo)用(yong)後(hou)會(hui)呈(cheng)現(xian)出(chu)鮮(xian)豔(yan)的(de)顏(yan)色(se)。盡(jin)管(guan)大(da)多(duo)數(shu)色(se)原(yuan)體(ti)雖(sui)然(ran)沒(mei)有(you)毒(du)性(xing),但(dan)是(shi)影(ying)響(xiang)油(you)脂(zhi)的(de)外(wai)觀(guan)。

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