摘要
以膨化大豆为原料,植物油低温抽提剂(3-甲基戊烷为主要成分)作浸出溶剂,采用罐组式浸出器进行浸出试验。通过单因素及正交试验得到最佳工艺条件为:料液比1∶0.75、浸出温度51℃、浸出次数3次和膨化大豆含水量8%。在此条件下,粕中残油率为1.0%;所得大豆毛油的色泽Y70 R2.0、酸值1.65(KOH)/(mg/g)、过氧化值1.25mmol/kg、水分及挥发物0.09%及溶剂残留45mg/kg。浸出豆粕粗蛋白含量为44.56%,NSI为80.32%,说明植物油低温抽提剂是理想的浸出溶剂。
Soybean oil was extracted from extruded soybeans with low temperature extraction solvent （3-methyl pentane was main component of the solvent） . Optimal processing conditions for batch extraction were determined by single factors experi- ments as follows： solid-liquid 1：0.75, extraction temperature 51 ℃, extraction times 3 times and moisture content 8%. Under optimal conditions, residual oil of meal was 1.0%. Characteristies of chide oil obtained were color Y70, R2.0, aeid value 1.65 （KOH）/（mg/g） , peroxide value 1.25mmol/kg, moisture and volatile matter content 0.09%, and residual solvent 45 mg/kg. Crude protein content of meal was 44.56%, and NSI value was 80.32%.
出处
《粮油加工（电子版）》
2015年第6期26-28,33,共4页
Machinery for Cereals Oil and Food Processing Main Contents
关键词
植物油低温抽提剂
膨化大豆
浸出
大豆油
vegetable oil extraction solvent
extruded soybeans
extraction
soybean oil
