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

Author

Listed:
  • 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)

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

Suggested Citation

  • Dung Thi Nguyen & Toan Van Nguyen & Tu Le Kha Bui & Lieu Thi Nguyen & Son Hai Pham & Trinh Thi Nu Nguyen & Trang Thi Thuy Nguyen & Thinh Bao Bui, 2025. "Extraction process optimization for maximizing total polyphenol content in cashew nut testa (Anacardium occidentale L.) extract," HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE, HO CHI MINH CITY OPEN UNIVERSITY, vol. 15(1), pages 34-46.
    • Handle: 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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