THE ANALYSIS OF THE COMPOSITION OF THE BLACK SESAME AND SESAME OIL FROM HENAN PROVINCE
Tingting Wang
Abstract
Tingting Wang
Abstract
The physicochemical properties of Black sesame seeds and sesame oil(from Henan province) were determined.For the sesame seeds,the content of coarse fat,coarse protein,coarse fiber was 48.3%,23.2% and 6.4% respectively.The fatty acids composition of Black sesame oil(prepared in laboratory) were extracted and identified by GC.The total unsaturated fatty acids were more than 87%,among them,oleic acid was 38.41%,linoleic acid was 46.87% and linolenic acid was 0.8%;The fatty acid composition of the 2-position was determined by the method of pancreatic lipase hydrolysis and GC;And the content of VE(76.3 mg/100g) was measured by HPLC.The results of determining the oxidative stability by Rancimat was 120 ℃,9.6 h.Some experiments were also made to measure the oil's color,refractive index,density,acid value,iodine value,peroxide value,saponification value and unsaponifiable matter content.
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The physicochemical properties of Black sesame seeds and sesame oil(from Henan province) were determined.For the sesame seeds,the content of coarse fat,coarse protein,coarse fiber was 48.3%,23.2% and 6.4% respectively.The fatty acids composition of Black sesame oil(prepared in laboratory) were extracted and identified by GC.The total unsaturated fatty acids were more than 87%,among them,oleic acid was 38.41%,linoleic acid was 46.87% and linolenic acid was 0.8%;The fatty acid composition of the 2-position was determined by the method of pancreatic lipase hydrolysis and GC;And the content of VE(76.3 mg/100g) was measured by HPLC.The results of determining the oxidative stability by Rancimat was 120 ℃,9.6 h.Some experiments were also made to measure the oil's color,refractive index,density,acid value,iodine value,peroxide value,saponification value and unsaponifiable matter content.
Key concepts: Saponification value, Unsaponifiable, Peroxide value, Iodine value, Chemistry, Food science, Acid value, Composition (language)