THE EFFECT OF GAMMA IRRADIATION ON SOME PHYSICOCHEMICAL, MICROBIAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF DRIED GRAPE MARC (VITIS VINIFERA L. VAR. SIAHE SARDASHT)

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RIAZI F.; ZEYNALI F.; HOSSENI E.; BEHMADI H.; KHANI M.; POORVATANDOOST S.

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Journal: IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY Year:2017 | Volume:14 | Issue:66 Page(s): 237-245

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Title

THE EFFECT OF GAMMA IRRADIATION ON SOME PHYSICOCHEMICAL, MICROBIAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF DRIED GRAPE MARC (VITIS VINIFERA L. VAR. SIAHE SARDASHT)

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Keywords

GAMMA IRRADIATIONQ3

DRIED BLACK GRAPE MARCQ1

ANTIOXIDANT ACTIVITYQ2

MICROBIAL LOADQ2

Abstract

In order to reduce MICROBIAL LOAD in edible and medicinal plant products, GAMMA IRRADIATION is used.On the other hand, there is the risk of structural changes in the composition of chemical compound due to GAMMA IRRADIATION. The purpose of this study was to evaluate the effect of GAMMA IRRADIATION on the physicochemical, microbial properties, and ANTIOXIDANT ACTIVITY of dry red grape marc. Samples of dry black grape marc were exposed to GAMMA IRRADIATION at doses of 0, 10 and 25 kGy. MICROBIAL LOAD, pH, color, DPPH radical scavenging and total phenolic content of treated samples were measured and compared with control (Non- irradiated sample). The results showed that exposure to a dose of 25 kGy did not have a significant effect on pH (p<0.05). Lightness (L*) significantly increased in compare with the control, while a* and b* values were significantly decreased. Gamma irradiaton had no significant effect on the amount of phenolic compounds. DPPH radical scavenging at the dose of 25 kGy was reduced. MICROBIAL LOAD significantly decreased with increasing radiation dose And at the dose of 25 kGy total count of microorganisms was zero.

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APA: Copy

RIAZI, F., ZEYNALI, F., HOSSENI, E., BEHMADI, H., KHANI, M., & POORVATANDOOST, S.. (2017). THE EFFECT OF GAMMA IRRADIATION ON SOME PHYSICOCHEMICAL, MICROBIAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF DRIED GRAPE MARC (VITIS VINIFERA L. VAR. SIAHE SARDASHT). IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 14(66), 237-245. SID. https://sid.ir/paper/71669/en

Vancouver: Copy

RIAZI F., ZEYNALI F., HOSSENI E., BEHMADI H., KHANI M., POORVATANDOOST S.. THE EFFECT OF GAMMA IRRADIATION ON SOME PHYSICOCHEMICAL, MICROBIAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF DRIED GRAPE MARC (VITIS VINIFERA L. VAR. SIAHE SARDASHT). IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY[Internet]. 2017;14(66):237-245. Available from: https://sid.ir/paper/71669/en

IEEE: Copy

F. RIAZI, F. ZEYNALI, E. HOSSENI, H. BEHMADI, M. KHANI, and S. POORVATANDOOST, “THE EFFECT OF GAMMA IRRADIATION ON SOME PHYSICOCHEMICAL, MICROBIAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF DRIED GRAPE MARC (VITIS VINIFERA L. VAR. SIAHE SARDASHT),” IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, vol. 14, no. 66, pp. 237–245, 2017, [Online]. Available: https://sid.ir/paper/71669/en

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