Volume 19, Issue 125 (2022)                   FSCT 2022, 19(125): 171-182 | Back to browse issues page


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Bojmehrani A, Hajirostamloo B, Vazifedoost M, Didar Z, Jafari S M J. The effect of nanoliposomes containing antioxidant extract of grape pomace on oxidation parameters of soybean oil. FSCT 2022; 19 (125) :171-182
URL: http://fsct.modares.ac.ir/article-7-59481-en.html
1- Department of food science, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
2- Department of food science, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran , rostamlo_b214@yahoo.com
3- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
Abstract:   (1217 Views)
Oxidation of lipids in food is one of the most important factors in food degradation during processing, storage and distribution through adverse effects on aroma, color, nutritional value and also the production of toxic compounds. In this regard, this study was conducted to investigate the antioxidant effects of free grape pomace extract and nanoliposomes containing it on some oxidation parameters of soybean oil. In this study, 5 concentrations of nanoliposomes containing grape pomace extract (50, 100, 200, 500 and 1000 ppm), one level (200 ppm) of synthetic antioxidant (BHT) and one concentration (500 ppm) of free grape pomace extract were used and tests such as Acidity, peroxide, thiobarbituric acid index, conjugate diene, oxidative stability and refractive index of oils were stored in a laboratory oven at 63 ° C for 7 days. The results showed that with increasing the concentration of nanoliposomes containing antioxidants of grape pomace extract up to 500 ppm, the increase in acidity, thiobarbituric acid index, peroxide, conjugated diene and refractive index was less intense, but at higher concentrations of nanoliposomes used in this oil, Increased more. On the other hand, it was found that with increasing storage time, the amount of acidity, thiobarbituric acid, conjugated diene increased, but the amount of peroxide and refractive index of oils increased until the fifth day and then decreased. The results also showed that the highest oxidative stability of oils (7.6 h) was related to the sample containing 500 ppm nanoliposomes containing antioxidant extract of grape pomace. Finally, it can be said that the use of nanoliposomes containing grape pomace antioxidant extract is a good alternative to synthetic antioxidants on the market.
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Article Type: Original Research | Subject: Oil and products technology
Received: 2022/02/10 | Accepted: 2022/04/4 | Published: 2022/07/1

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