1、餅幹用油脂
餅幹的酥鬆性雖然有賴於疏鬆劑的正確使用,調粉過程中麵筋的控製程度和雞蛋、磷脂的使用等,但油脂的品種、yongliangyeshiyingxiangbinggansusongdudezhongyaoyinsu。weilebimianhuojianshaoyouzhiyanghuadaozhidebingganzhiliangxiajiang,bingganyongyouzhiyingjuyouqisuxinghao,xingzhiwendingbuyiyanghuayijiyoujiaohaodekesuxingdetedian。muqianshengchanbinggansuoyongdeyouzhiyirenzaonaiyouheqisuyouweizhu,zaizhuoliangjiarunaiyouhezhuyoudenglaimibudandushiyongrenzaonaiyouhuoqisuyouzaochengdechanpinfengweiqianjiadetedian。
2、糕點用油脂
1)酥性糕點
油脂在這類糕點中的主要功能是使製品的結構“變酥”。xiaomaifenzhongdedanbaizhiyushuijiehexingchengjuyourenxinghedanxingdemianjin,ruosuxinggaodianzhongmeiyouyouzhi,qimiantuandedanxingherenxingguoda,hongkaohoudezhipinyingercui,binghuishousuohebianxing。shengchanzheleigaodianshibunengyongyetizhiwuyouhuozhehenyingdezhilaizhizao,yinweiqianzheguoyufensan,erhouzhezewanquanbunengfensan。chucizhiwai,henduozhongleideyouzhidounengshiyong,qizhongyizhuyouzuiweichangyong,yinweitajuyoucudadejingtijiegou,zhezhongjingtijiegoushitanenggouhenkuaifensanzaizhenggemiantuanzhong。
2)起酥糕點
生產起酥糕點應選擇起酥性好、熔點高、可塑性強、塗抹性好的固體油脂,如高熔點的人造奶油。
3)蛋糕類糕點
奶油蛋糕含有較高的糖、牛奶、雞蛋、水分,因此應選用融合性和乳化性好的油脂,如人造奶油或者起酥油。
3、麵包用油脂
油(you)脂(zhi)能(neng)夠(gou)增(zeng)強(qiang)麵(mian)包(bao)的(de)風(feng)味(wei)和(he)營(ying)養(yang)價(jia)值(zhi),提(ti)高(gao)麵(mian)團(tuan)的(de)延(yan)伸(shen)性(xing)和(he)彈(dan)性(xing),降(jiang)低(di)麵(mian)包(bao)的(de)黏(nian)性(xing),尤(you)其(qi)是(shi)主(zhu)食(shi)麵(mian)包(bao),油(you)脂(zhi)作(zuo)為(wei)一(yi)種(zhong)潤(run)滑(hua)劑(ji)的(de)作(zuo)用(yong)更(geng)為(wei)突(tu)出(chu)。麵(mian)包(bao)生(sheng)產(chan)可(ke)選(xuan)用(yong)豬(zhu)油(you)、氫化起酥油、麵包用人造奶油、麵包用液體起酥油。這些油脂可塑性範圍廣、易於同麵包原料混合,潤滑麵筋網絡,增大麵包體積,增強麵團持氣性,對酵母發酵力的影響很小,有利於麵包的保鮮;此外,還能改善麵包內部組織、表皮色澤,口感柔軟,易於切片等。
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