1、看(kan)價格:一般來說(shuo),約2.5公(gong)(gong)(gong)斤(jin)花生(sheng)(sheng)能榨出1公(gong)(gong)(gong)斤(jin)花生(sheng)(sheng)油(you)(you)和1.5公(gong)(gong)(gong)斤(jin)油(you)(you)餅(bing),生(sheng)(sheng)產出1公(gong)(gong)(gong)斤(jin)花生(sheng)(sheng)油(you)(you)的(de)(de)最低成本約14元。所(suo)以如果市場上賣(mai)的(de)(de)花生(sheng)(sheng)油(you)(you)價格低于最低成本,那很(hen)有可能是小作坊生(sheng)(sheng)產的(de)(de)劣質(zhi)油(you)(you)。
2、看(kan)感觀:新鮮花(hua)(hua)(hua)生(sheng)榨出來(lai)的(de)花(hua)(hua)(hua)生(sheng)油(you)色(se)澤(ze)(ze)自然,金黃明(ming)亮,聞起來(lai)具有(you)花(hua)(hua)(hua)生(sheng)油(you)的(de)天然濃郁香(xiang)味。若用霉爛或過了夏天的(de)花(hua)(hua)(hua)生(sheng)仁榨出來(lai)的(de)花(hua)(hua)(hua)生(sheng)油(you)色(se)澤(ze)(ze)深(shen)暗(an)。
3、聞氣(qi)味:用(yong)右(you)手指(zhi)沾油少許,在(zai)左手心(xin)中猛搓幾下,然(ran)后立即嗅其氣(qi)味,有濃郁純(chun)正花生油香(xiang)、無異常味道的(de)(de),可(ke)認(ren)為是上品(pin)。而(er)摻入香(xiang)精的(de)(de)花生油開始有微微的(de)(de)花生香(xiang)味,但是隨著再次(ci)揉搓,這種花生香(xiang)味會越來越淡。
4、看凝(ning)固(gu)溫度:花(hua)生(sheng)油(you)的(de)凝(ning)固(gu)點為0-3攝(she)氏度,棕櫚油(you)為27-30攝(she)氏度,菜籽油(you)是零(ling)下12-零(ling)下10攝(she)氏度。將花(hua)生(sheng)油(you)放入冰(bing)箱(xiang)冷藏室10分(fen)鐘(zhong)左(zuo)右,若(ruo)油(you)發生(sheng)凝(ning)固(gu)現(xian)象,即可初(chu)步認定摻(chan)有棕櫚油(you);放入冰(bing)箱(xiang)冷藏室約30分(fen)鐘(zhong)左(zuo)右,若(ruo)油(you)出(chu)現(xian)分(fen)層及凝(ning)固(gu)現(xian)象,即可初(chu)步認定摻(chan)有菜籽油(you)。