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Umezuruike Linus Opara

Researcher at Stellenbosch University

Publications -  306
Citations -  10816

Umezuruike Linus Opara is an academic researcher from Stellenbosch University. The author has contributed to research in topics: Postharvest & Cold storage. The author has an hindex of 44, co-authored 260 publications receiving 7526 citations. Previous affiliations of Umezuruike Linus Opara include University College Cork.

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Effects of storage temperature and duration on physiological responses of pomegranate fruit

TL;DR: Pomegranate fruit harvested at commercial maturity were stored at 5,± 0.3°C, 7,± 1.5°C and 10,± − 0.4°C with 92,± 3% relative humidity (RH), and at 22,°C (65,± 5.5% RH) for 16 weeks during which fruit respiration, physico-chemical attributes, antioxidant capacities and incidence of physiological disorders were measured at 4-week intervals as mentioned in this paper.
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Chemical and Phytochemical Properties and Antioxidant Activities of Three Pomegranate Cultivars Grown in South Africa

TL;DR: A comparative study of chemical contents and antioxidant activities of three pomegranate cultivars (Arakta, Bhagwa, and Ruby) grown in South Africa was conducted as mentioned in this paper, where the antioxidant properties of the juice samples were evaluated against stable 2, 2-diphenyl 1-picryl hydrazyl, as well as in ferric reducing ability of plasma (FRAP) and QuantiChrom™ (TAC) antioxidant assays.
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Approaches to analysis and modeling texture in fresh and processed foods – A review

TL;DR: In this paper, a wide range of methods have been used to evaluate instrumental results, which provide time-series data of product deformation, thereby allowing a wide variety of texture attributes to be calculated from force-time or force-displacement data.
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Effect of drying on the bioactive compounds, antioxidant, antibacterial and antityrosinase activities of pomegranate peel

TL;DR: The freeze drying method had higher total phenolic, tannin and flavonoid concentration therefore can be explored as a feasible method for processing pomegranate peel to ensure retention of the maximum amount of their naturally occurring bioactive compounds.
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Towards integrated performance evaluation of future packaging for fresh produce in the cold chain

TL;DR: In this article, the authors provide an overview of recent research on these package functionalities and summarise the performance parameters used to quantify them, highlighting the various trade-offs encountered in package design.