Drying kinetics and changes of total phenolic content, antioxidant activity and color parameters of mango and avocado pulp in refractance window drying

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dc.contributor.authorThi, Van Linh Nguyen
dc.contributor.authorQuoc, Duy Nguyen
dc.contributor.authorPhuoc Bao Duy Nguyen
dc.date.accessioned2024-09-19T02:31:57Z
dc.date.available2024-09-19T02:31:57Z
dc.date.issued2024
dc.description1p.
dc.description.abstractRefractance window drying is an innovative technology belonging to the fourth generation of drying technologies that could enhance the quality of the dried product and improve the drying process. In this study, two factors with the type of fruit pulps (avocado and mango) and drying temperature (ranging from 80 to 95 ºC) were investigated. Results showed that in refractance window drying, the evaporation process rapidly occurred, mainly in the falling-rate period with undetectable constant-rate period. The Weibull was the best fit model among eight investigated mathematical models that could determine the drying behavior. The effective diffusivity was found to be from 4.25×10-10 m2/s to 7.24×10-10 m2/s for avocado pulp, and from 4.50×10-10 m2/s to 10.67×10-10 m2/s for mango pulp when the drying temperature was changed from 80 to 95 ºC. Moreover, the corresponding activation energy was 32.06 and 66.03 kJ/mol for avocado and mango pulp moisture evaporation, respectively, and the highest quality of powders of both dried pulps was obtained after processing at 90°C. The refractance window drying revealed a high potential in the production of fruit powders from avocado and mango due to the high retention of more than 80% of total phenolic content (TPC) and antioxidant activity. TPC could be used as a useful criterion for the evaluation of the drying process in terms of dried product quality [5]
dc.identifier.urihttps://oerrepository.ntt.edu.vn/handle/298300331/425
dc.language.isoen
dc.publisherTrường Đại học Nguyễn Tất Thành (Công nghệ Thực phẩm)
dc.subjectDrying kinetics
dc.subjectRefractance Window Drying
dc.titleDrying kinetics and changes of total phenolic content, antioxidant activity and color parameters of mango and avocado pulp in refractance window drying
dc.typeOther
dcterms.licenseCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
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