Valorization of Peanut Skin as Agricultural Waste Using Various Extraction Methods: A Review

Nicky Rahmana Putra and Dwila Nur Rizkiyah and Mohd Azizi Che Yunus and Ahmad Hazim Abdul Aziz and Ahmad Shah Hizam Md Yasir and Irianto Irianto and Jumakir Jumakir and Waluyo Waluyo and Suparwoto Suparwoto and Lailatul Qomariyah (2023) Valorization of Peanut Skin as Agricultural Waste Using Various Extraction Methods: A Review. Molecules, 28. pp. 1-17. ISSN 1420-3049

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URL: https://www.mdpi.com/1420-3049/28/11/4325

Abstract

Peanuts (Arachis hypogea) can be made into various products, from oil to butter to roasted snack peanuts and candies, all from the kernels. However, the skin is usually thrown away, used as cheap animal feed, or as one of the ingredients in plant fertilizer due to its little value on the market. For the past ten years, studies have been conducted to determine the full extent of the skin’s bioactive substance repertoire and its powerful antioxidant potential. Alternatively, researchers reported that peanut skin could be used and be profitable in a less-intensive extraction technique. Therefore, this review explores the conventional and green extraction of peanut oil, peanut production, peanut physicochemical characteristics, antioxidant activity, and the prospects of valorization of peanut skin. The significance of the valorization of peanut skin is that it contains high antioxidant capacity, catechin, epicatechin resveratrol, and procyanidins, which are also advantageous. It could be exploited in sustainable extraction, notably in the pharmaceutical industries.

Item Type:	Article
Keyword:	peanut skin; agricultural waste; catechin; antioxidant; green extraction
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD1-1066 Environmental technology. Sanitary engineering > TD920-934 Rural and farm sanitary engineering T Technology > TP Chemical technology > TP1-1185 Chemical technology > Food processing and manufacture
Department:	FACULTY > Faculty of Food Science and Nutrition
Depositing User:	ABDULLAH BIN SABUDIN -
Date Deposited:	28 Jun 2024 15:05
Last Modified:	28 Jun 2024 15:05
URI:	https://eprints.ums.edu.my/id/eprint/38992

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