油脂指的是油和脂肪的統稱，主要生理功能是貯存和供應熱能，油脂分布來源於植物的種子和動物的組織、器(qi)官(guan)。油(you)脂(zhi)不(bu)但(dan)是(shi)人(ren)體(ti)所(suo)需(xu)的(de)主(zhu)要(yao)營(ying)養(yang)物(wu)質(zhi)和(he)主(zhu)要(yao)食(shi)物(wu)之(zhi)一(yi)
，也(ye)是(shi)一(yi)種(zhong)重(zhong)要(yao)的(de)工(gong)業(ye)原(yuan)料(liao)。因(yin)此(ci)油(you)脂(zhi)的(de)應(ying)用(yong)價(jia)值(zhi)較(jiao)高(gao)
，所(suo)以(yi)各(ge)個(ge)實(shi)驗(yan)室(shi)對(dui)其(qi)品(pin)質(zhi)檢(jian)測(ce)也(ye)是(shi)非(fei)常(chang)重(zhong)視(shi)。油(you)脂(zhi)檢(jian)測(ce)免(mian)不(bu)了(le)會(hui)需(xu)要(yao)取(qu)樣(yang)
，取(qu)樣(yang)也(ye)是(shi)需(xu)要(yao)專(zhuan)用(yong)的(de)器(qi)具(ju)，要(yao)避(bi)免(mian)對(dui)油(you)脂(zhi)原(yuan)料(liao)造(zao)成(cheng)汙(wu)染(ran)，可(ke)利(li)用(yong)專(zhuan)業(ye)的(de)油脂扡樣器進行取樣。

    youzhiqianyangqizhuyaogongnengzaiyunenggouweiyouzhijianceqianqujuyoudaibiaoxingdesongyanyangpin。qianyangzhunque，nenggoubaozhengqianqudeyouzhiyangpinjuyoudaibiaoxing，buhuiduijiancejieguochanshengyingxiang，nenggouyouxiaotigaoyouzhijiancedizhunquexingyijigongzuoxiaolv。gaiyiqibujinnengyongyuchucunyouzhiqianyang，yeshiyongyushuidengqitayetiwuzhichucunguanzhongyangpindecaijigongzuo。
    使shi用yong油you脂zhi扡qian樣yang器qi對dui油you脂zhi取qu樣yang
，先xian將jiang油you脂zhi攪jiao拌ban均jun勻yun，將jiang扡qian樣yang管guan緩huan慢man地di自zi桶tong口kou斜xie插cha至zhi桶tong底di，然ran後hou堵du壓ya上shang口kou提ti出chu扡qian樣yang管guan，將jiang油you樣yang注zhu入ru樣yang品pin瓶ping內nei。如ru指zhi定ding扡qian取qu某mou一yi部bu位wei油you樣yang時shi，先xian用yong拇mu指zhi堵du壓ya扡qian樣yang管guan上shang孔kong，插cha至zhi要yao扡qian取qu的de部bu位wei放fang開kai拇mu指zhi，待dai扡qian取qu位wei的de油you樣yang進jin入ru管guan中zhong後hou，立li即ji堵du壓ya上shang孔kong提ti出chu，將jiang油you樣yang注zhu入ru樣yang品pin瓶ping中zhong，如ru扡qian取qu的de樣yang品pin數shu量liang不bu足zu1kg時，可增加扡樣桶數
，每桶扡樣數量一致。