2005
DOI: 10.5650/jos.54.543
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Detection of Sesame Oil in Other Oils and Fats

Abstract: In the present paper simple, rapid, reliable and economical colour test has been reported for the detection of sesame oil in other oils and fats. When few drops of sesame oil or other oil/fat sample containing sesame oil treated successively with hydrochloric acid and alcoholic solution of 2-thiophene carboxaldehyde followed by shaking of the mixture a pink or deep red colour develops within five minutes in the lower acid layer indicating the presence of sesame oil. This test is sensitive to the extent of 0.1%… Show more

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Cited by 8 publications
(7 citation statements)
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“…chloroform mixture (7:3, v/v) and the absorbance was measured at 288 nm using spectrophotometer (UV-1601, UV-VIS spectrophotometer, Shimadzu Corporation). The sesamol content was calculated by using the formula (Shukla and Singh 2005).…”
Section: Oryzanol Estimationmentioning
confidence: 99%
“…chloroform mixture (7:3, v/v) and the absorbance was measured at 288 nm using spectrophotometer (UV-1601, UV-VIS spectrophotometer, Shimadzu Corporation). The sesamol content was calculated by using the formula (Shukla and Singh 2005).…”
Section: Oryzanol Estimationmentioning
confidence: 99%
“…Especially, it is very difficult to predict a mixing ratio of adulterants. Until now, it seems that there is no a single model which can detect all kinds of adulterants in adulterated sesame oil (Shukla & Singh, 2005). Thus, a suitable detection and quantification method of the adulterant is needed.…”
Section: Introductionmentioning
confidence: 99%
“…Some previous studies detected adulteration of a target oil by analyzing marker(s), such as detecting olive oil adulterated with soybean, peanut, sunower seed, corn, or sesame oil, by the level of trilinolein (LLL) 5 and using specic sesamol to detect adulteration of sesame oil with other oils or fats. 6 Although these methods are simple and reliable for routine detection, an obvious limitation is that not every oil/fat has its own marker, and thus, these methods are not effective for purity tests of all edible oils. Another option is to directly analyze oils without sample pretreatment or with only organic solvent-based dilution.…”
Section: Introductionmentioning
confidence: 99%