Impact of drying methods on the quality of grey (Pleurotus sajor caju) and pink (Pleurotus djamor) oyster mushrooms

Siti-Nuramira, J. and Farhana, Rafida and Nabil, S. and Jafari, Seid Mahdi and Raseetha, Siva (2022) Impact of drying methods on the quality of grey (Pleurotus sajor caju) and pink (Pleurotus djamor) oyster mushrooms. Journal of Food Measurement and Characterization, 16 (5). pp. 3331-3343. ISSN 2193-4126, DOI https://doi.org/10.1007/s11694-022-01435-w.

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Abstract

The aim of this study was to determine proximate composition, minerals, vitamins (B-3 and B-6) and browning index of Pleurotus sajor caju (i.e. grey oyster mushrooms, GOM) and Pleurotus djamor (i.e. pink oyster mushrooms, POM), which were subjected to cabinet, microwave and vacuum drying. Electric cabinet-dried POM yielded higher protein (29.94% +/- 0.60), fat (0.79% +/- 0.07), vitamin B-3 (0.25 mg/100 g +/- 0.04) and most of the minerals content. However, cabinet-dried GOM yielded higher carbohydrate (64.75% +/- 1.05) and significantly higher K, Mg, Zn, Fe, and vitamin B-6 (p < 0.05). Meanwhile, internal microstructure resulted in severe damages for vacuum-dried mushroom. Microwave-dried POM yielded the highest value for browning index (75.11 +/- 0.18) (p < 0.05). Among the three drying methods investigated, cabinet drying is the optimal choice as the low-cost postharvest treatment, as it reduced microstructure degradation of the mushrooms, retained more nutritional components, increased shelf-life and yield of the produce that can alleviate the threat of global food security.

Item Type: Article
Funders: Universiti Teknologi MARA, Malaysia [600-RMC/GPK 5/3 (229/2020)]
Uncontrolled Keywords: Oyster mushroom; Drying; Pleurotus sajor caju; Pleurotus djamor
Subjects: Q Science > QK Botany
S Agriculture > S Agriculture (General)
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 15 Sep 2023 03:53
Last Modified: 15 Sep 2023 03:53
URI: http://eprints.um.edu.my/id/eprint/41247

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