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Increased Revenue with High Value-Added Products from Cashew Apple (Anacardium occidentale L.)—Addressing Global Challenges

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Abstract

Among the agro-based industries, the cashew industry utilizes only about 30% of the total fruit as food material, and the rest goes as a waste. Valorizing the generated waste into value-added products is the better option to address the waste. The waste generated from these industries needs to be valorized into value-added products. Anacardium occidentale, cashew, has a booming market worldwide. Being a tropical tree, small farmers are the major source of cultivation in countries that come to light, and capitalization on cashew by-product has colossal potential that can benefit agribusiness. Many value-added products like reducing sugars, bioethanol, xylitol, organic acids, and biohydrogen are produced lately. Looking at the feasibility of producing value-added products, commercializing the biorefineries on an industrial scale is in the burgeoning phase around the globe. Upgrading the laboratory phase research to a larger commercial scale has been the key research. A total of 2376 patent publications and 586 scientific publications were available on cashew apple and nuts among the available publications to date. The potentiality of the cashew in the biorefinery concept is put front by these statistics. The present review focuses on spotlighting the use of cashew and their potential use in agribusiness.

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Abbreviations

UNDP:

United Nations Development Program

SCW:

Supercritical water

USAID:

US Agency for International Development

SSF:

Solid-state fermentation

SFE:

Supercritical fluid extract

CNSL:

Cashew nut shell liquid

CR:

Congo red dye

2-HEAA:

2-Hydroxyl ethyl ammonium acetate

SDGs:

Sustainable development goals

CAGR:

Compound annual growth rate

CAB:

Cashew apple bagasse

FP:

Fire point

CP:

Cloud point

PP:

Pour point

KV:

Kinematic viscosity

CN:

Cetane number

ASTM:

American Society for Testing and Materials

CNSO:

Cashew nut shell oil

CNSOB:

Cashew nut shell oil biodiesel

ZICNSC:

Zirconium impregnated cashew nut shell carbon

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Acknowledgements

The authors gratefully acknowledge the financial support provided by the SERB (Science & Engineering Research Board), India (Grant no. ECR/2017/001038/2017-2020) to carry out this research work.

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We confirm that the manuscript has been read and approved by all named authors. We confirm that the order of authors listed in the manuscript has been approved by all named authors.

Corresponding author

Correspondence to A. Arumugam.

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The authors declare no competing interests.

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Highlights

• An overall analysis of cashew by-products was conferred using bibliometric studies.

• High value-added products deriving out of Anacardium occidentale fruit via complete valorization, under the biorefinery concept, were examined.

• Addressing the potential use of cashew in agribusiness was reviewed.

• Biogenic approach for a high yield of bioproducts originated by direct conversion of cashew nut by-products via different routes.

• Current and future anticipations were discussed to set one’s sight to utilize complete waste in terms of the zero-waste approach.

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Jeyavishnu, K., Thulasidharan, D., Shereen, M.F. et al. Increased Revenue with High Value-Added Products from Cashew Apple (Anacardium occidentale L.)—Addressing Global Challenges. Food Bioprocess Technol 14, 985–1012 (2021). https://doi.org/10.1007/s11947-021-02623-0

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  • DOI: https://doi.org/10.1007/s11947-021-02623-0

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