jinnianlaisuizherenminshenghuoshuipingdebuduantigaozaishiyongyoufangmianrenmenyuelaiyueqinglailengzhayou。lengzhayoujuyouchuntianrantexing,bimianlechuantonggaowenzhayoujiagongchanshengdebuliyingxiang。lengzhachengpinyouzhongbaoliuleyouliaodetianranfengweiheseze,wanzhengdibaocunleyouzhongshenglihuoxingwuzhi(維生素E具有抗衰老功能、甾醇具有健膚作用和增強人體代謝功能),冷榨油原汁原味,是健康生活的選擇。因此從油品來講榨油機冷榨比熱榨好,但並非所有油料均適合冷榨,
以大豆、高芥酸菜籽、棉籽、花生、芝麻為例,大豆油含有的豆腥味、高芥酸菜籽油中的辛辣味、棉(mian)籽(zi)油(you)中(zhong)的(de)棉(mian)酚(fen)毒(du)素(su)和(he)變(bian)質(zhi)油(you)料(liao)中(zhong)的(de)黃(huang)曲(qu)黴(mei)毒(du)素(su)等(deng),都(dou)必(bi)須(xu)經(jing)過(guo)精(jing)煉(lian)才(cai)能(neng)去(qu)掉(diao)。而(er)芝(zhi)麻(ma)油(you)和(he)濃(nong)香(xiang)花(hua)生(sheng)油(you)的(de)香(xiang)味(wei),又(you)必(bi)須(xu)經(jing)過(guo)熱(re)榨(zha)工(gong)藝(yi)才(cai)能(neng)得(de)到(dao)。

菜籽→清雜→調質幹燥→脫皮分離→加水調質→冷榨→菜籽油
清雜:冷leng榨zha油you的de原yuan料liao必bi須xu經jing過guo精jing選xuan,否fou則ze由you於yu原yuan料liao的de成cheng熟shu度du不bu同tong和he原yuan料liao中zhong所suo含han有you害hai物wu質zhi如ru黴mei變bian油you料liao中zhong的de黃huang曲qu黴mei毒du素su的de影ying響xiang,將jiang會hui對dui冷leng榨zha油you的de質zhi量liang造zao成cheng嚴yan重zhong影ying響xiang。
調質幹燥:調質幹燥的目的是去除菜籽中的遊離水分、氣味,並殺滅各種黴菌。幹燥溫度不宜超高50度,通過調質幹燥,菜籽內部水分集中到表皮,表皮與菜籽仁熱脹冷縮後,便於皮從仁上分開。幹燥的方法可通過微波加熱、熱風幹燥等。
脫皮分離:菜籽含有16%-20%的皮,皮中含有大量的粗纖維、植酸、danningdengkangyingyangyinzi。caizituopizhiyounengxianzhugaishanmaoyouzhiliang,jiangdijinglianchengben,bingtigaobingpodanbaizhihanlianghegaishanbingposeze,tigaosiyongxiaojia,tongshijianshaoshebeimosun,jiangdijiagongnenghao。yizhongtuopishebeishizhuangjishicaizituopiji。qituopiyuanlishi:tuopijiyilixinfangshiyunxing,daichuliyuanliaoliyonglixinlijiasuhougaosuzhuangjizaidangquanshang,zaiqiangdadezhuangjilizuoyongxiacaizipolietuopi。lingyizhongyoucaizituopijizuleisiyudadoutuopi,shizongheliyongjianqie、擠壓、搓碾等多種作用同時進行脫皮,經脫皮機處理的仁皮混合物經振動篩分離,利用脫皮後的仁、皮各組分懸浮速度的差異,在振動和風的共同作用下,皮浮在上麵用風吸走,仁則沉在下層,從仁皮分離機前端出口排出。
加水調製:加水調質的目的一是菜籽中的親水性物質蛋白質、糖tang類lei等deng吸xi水shui膨peng脹zhang,從cong而er破po壞huai細xi胞bao結jie構gou便bian於yu出chu油you,二er是shi菜cai籽zi中zhong的de磷lin脂zhi吸xi水shui膨peng脹zhang,與yu蛋dan白bai質zhi結jie合he從cong而er留liu在zai餅bing中zhong,減jian少shao油you中zhong磷lin脂zhi含han量liang,三san是shi通tong過guo加jia入ru水shui分fen調tiao節jie入ru榨zha料liao的de彈dan性xing和he塑su性xing,便bian於yu餅bing成cheng形xing出chu油you。加jia水shui調tiao質zhi是shi冷leng榨zha的de關guan鍵jian技ji術shu,水shui分fen過guo高gao,榨zha機ji的de壓ya力li小xiao,油you渣zha多duo;水分過低,餅不易成形。
冷榨:菜cai籽zi經jing脫tuo皮pi後hou,油you菜cai籽zi的de細xi胞bao壁bi幾ji乎hu未wei被bei破po壞huai,細xi胞bao中zhong脂zhi類lei體ti與yu蛋dan白bai體ti的de親qin和he力li還hai很hen強qiang,而er且qie脫tuo皮pi菜cai籽zi含han油you量liang較jiao高gao,需xu選xuan用yong壓ya縮suo比bi較jiao高gao的de榨zha機ji,如ru6級ji以yi上shang的de壓ya榨zha。普pu通tong單dan螺luo杆gan榨zha油you機ji的de冷leng榨zha餅bing的de殘can油you非fei常chang高gao,還hai得de二er次ci壓ya榨zha,三san次ci壓ya榨zha,而er雙shuang螺luo杆gan榨zha油you機ji的de壓ya榨zha能neng力li強qiang,效xiao率lv高gao,一yi次ci壓ya榨zha餅bing的de殘can油you低di,更geng適shi合he菜cai籽zi的de冷leng榨zha。
更多榨油機械知識,www.kelaideng.cn
河南中瑞糧油機械有限公司版權所有