Extraction process optimization for maximizing total polyphenol content in cashew nut testa (Anacardium occidentale L.) extract

Dung Thi Nguyen, Toan Van Nguyen, Tu Le Kha Bui, Lieu Thi Nguyen, Son Hai Pham, Trinh Thi Nu Nguyen, Trang Thi Thuy Nguyen and Thinh Bao Bui ()
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Dung Thi Nguyen: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Toan Van Nguyen: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Tu Le Kha Bui: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Lieu Thi Nguyen: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Son Hai Pham: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Trinh Thi Nu Nguyen: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Trang Thi Thuy Nguyen: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam
Thinh Bao Bui: Biotechnology Center of Ho Chi Minh City, Ho Chi Minh City, Vietnam

HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, 2025, vol. 15, issue 1, 34-46

Abstract: Cashew nut testa (Anacardium occidentale L.) is a valuable source of polyphenols known for their strong bioactivities. This study optimized the extraction conditions to obtain polyphenol-rich extracts from cashew nut testa. The effects of three key factors, extraction time, material-to-solvent ratio, and temperature, on Total Polyphenol Content (TPC, mg GAE/g extract) were investigated. Response surface methodology, using a Box-Behnken design, was applied to design the experiments and optimize the extraction process. The results showed that the relationship between TPC and extraction conditions followed a second-order model with an R² value of 0.9999. All three factors significantly influenced TPC (p

Keywords: Anacardium occidentale; cashew nut testa; extraction conditions; polyphenol; response surface methodology (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:bjw:techen:v:15:y:2025:i:1:p:34-46

DOI: 10.46223/HCMCOUJS.tech.en.15.1.3786.2025

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