Antioxidant Properties and Yield of Wood Ear Mushroom, Auricularia polytricha (Agaricomycetes), Cultivated on Rubberwood Sawdust

Teoh, Hoe Leong and Ahmad, Izzah Shuhailah and Johari, Norjuliza Md Khir and Aminudin, Norhaniza and Abdullah, Noorlidah (2018) Antioxidant Properties and Yield of Wood Ear Mushroom, Auricularia polytricha (Agaricomycetes), Cultivated on Rubberwood Sawdust. International Journal of Medicinal Mushrooms, 20 (4). pp. 369-380. ISSN 1521-9437

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Official URL: https://doi.org/10.1615/IntJMedMushrooms.201802598...

Abstract

Mushroom cultivation has become an important component of agriculture, providing food and contributing to the global economy. It uses vertical space and addresses issues of food quality, health improvement, and environmental sustainability. Auricularia mushrooms are popular ingredients in traditional Chinese cuisine. The objective of this study was to determine yield and evaluate radical scavenging capacity of A. polytricha cultivated on rubberwood sawdust on a large scale; we measured total phenolic content; DPPH, hydroxyl, superoxide anion, and peroxyl radical scavenging; and reducing power. Cultivation on rubberwood sawdust produces an average of 4 harvests per bag and a biological efficiency of 80-82%. The antioxidant capacity investigations revealed that the ethyl acetate fraction was the most potent radical scavenger in all assays except that for superoxide anions, whereas the aqueous fraction exhibited mild to moderate antioxidant capacity in scavenging the various radicals. Artificial cultivation of A. polytricha on rubberwood sawdust yields many sporophores with potent antioxidant capacity.

Item Type: Article
Uncontrolled Keywords: Auricularia polytricha; biological efficiency; free radical; medicinal mushrooms; oxidative stress
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Feb 2019 03:16
Last Modified: 26 Feb 2019 03:16
URI: http://eprints.um.edu.my/id/eprint/20487

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