Valorisation of agro-waste cashew nut husk (Testa) for different value-added products

Document Type

Article

Publication Title

Sustainable Chemistry for Climate Action

Abstract

After the edible cashew nut's pulp and oil are removed, the shells are considered agricultural waste. A number of by-products and waste produced during the industrial processing of cashew nuts can pose environmental risks. Testa, cashew apple, cashew apple bagasse, and cashew nut shell liquid (CNSL) are a few examples. The reddish-brown covering part of cashew is called Testa, which exists between Kernel and Shell. Academic, industrial, and other practitioners are becoming interested in using agricultural by-products as green raw materials to create a variety of valuable goods. It has been determined that cashew nut shells (CNS) and their liquid extract (CNSL) are agro-waste rich in valuable and functional renewable goods. Cashew Nut Husk (CNH) components distinctive structural characteristics warrant the possibility of various modifications to accommodate different purposes. Numerous previously published articles describe the work done mainly on the potential of cashew nut shell liquid and cashew nut shell. [1] This review focuses on developing Cashew Nut Husk as a green source to create different value-added products. A thorough literature review of the existing situation and attempts undertaken to use Cashew Nut Husk waste for various uses is provided.

DOI

10.1016/j.scca.2023.100014

Publication Date

1-1-2023

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