渭南师范学院学报
渭南師範學院學報
위남사범학원학보
Journal of Weinan Teachers College
2015年
18期
43-46
,共4页
玉米皮油%理化指标%脂肪酸%甾醇
玉米皮油%理化指標%脂肪痠%甾醇
옥미피유%이화지표%지방산%치순
corn fiber oil%physicochemical properties%fatty acids%Phytosterols
在高温条件下，用正己烷作为溶剂从玉米皮中提取出玉米皮油．通过分光光度法、气相色谱等技术对萃取的玉米皮油的理化指标、玉米皮油脂肪酸组成及植物甾醇含量进行分析测定．研究表明，玉米皮粗脂肪含量为2?62％，粗纤维含量为16．20％；玉米皮油的皂化值为162．50 mgKOH／g，过氧化值80．50 mmol／kg，酸价14．80 mgKOH／g，碘值111．75 gI2／100 g；玉米皮油的不饱和脂肪酸含量接近80％，其中50％以上为亚油酸；玉米皮油中含有丰富的植物甾醇，含量为6．42％．可见，玉米皮油可以作为一种食品保健油，具有重要的开发、研究利用价值．
在高溫條件下，用正己烷作為溶劑從玉米皮中提取齣玉米皮油．通過分光光度法、氣相色譜等技術對萃取的玉米皮油的理化指標、玉米皮油脂肪痠組成及植物甾醇含量進行分析測定．研究錶明，玉米皮粗脂肪含量為2?62％，粗纖維含量為16．20％；玉米皮油的皂化值為162．50 mgKOH／g，過氧化值80．50 mmol／kg，痠價14．80 mgKOH／g，碘值111．75 gI2／100 g；玉米皮油的不飽和脂肪痠含量接近80％，其中50％以上為亞油痠；玉米皮油中含有豐富的植物甾醇，含量為6．42％．可見，玉米皮油可以作為一種食品保健油，具有重要的開髮、研究利用價值．
재고온조건하，용정기완작위용제종옥미피중제취출옥미피유．통과분광광도법、기상색보등기술대췌취적옥미피유적이화지표、옥미피유지방산조성급식물치순함량진행분석측정．연구표명，옥미피조지방함량위2?62％，조섬유함량위16．20％；옥미피유적조화치위162．50 mgKOH／g，과양화치80．50 mmol／kg，산개14．80 mgKOH／g，전치111．75 gI2／100 g；옥미피유적불포화지방산함량접근80％，기중50％이상위아유산；옥미피유중함유봉부적식물치순，함량위6．42％．가견，옥미피유가이작위일충식품보건유，구유중요적개발、연구이용개치．
The oil is extracted from corn bran with n-hexane as a solvent under high temperature. The physical and chemical indicators, fatty acid composition and the content of phytosterols of the extracted corn bran oil were analyzed by spectrophotometry, gas chromatography and liquid chromatography techniques. The results showed that corn fiber contains 2.62% crude fat and 16.20%crude fiber;physicochemical characteristics of corn fiber oil were saponification value 162.50mgKOH/g, peroxide value 80.50mmol/kg, acid value 14.80mgKOH/g, and iodine value 111.75gI2/100g;unsaturated fatty acids in corn fiber oil is about 80%, including over 50% of linoleic acid;Phytosterols is rich in corn fiber oil which contains 6.42%. It shows that corn bran oil can be used as a health food oil and has an important development, research application value.
