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<p>Hydroponic cultivation presents a sustainable alternative to conventional farming, addressing water scarcity and environmental degradation. This study investigates the effects of chitosan from royal shrimp waste on the growth and biochemical characteristics of <i>Ocimum basilicum </i>L. (basil) in hydroponic systems. The study compared three cultivation methods: traditional soil-based (Control/B), hydroponic without chitosan (B.H), and hydroponic with chitosan treatment (B.H.CS). Chitosan treatment significantly enhanced growth parameters, including root length (+ 52%), shoot height (+ 52%) and leaf count (+ 65%) relative to the control and non-chitosan hydroponic conditions. The biochemical analyses revealed increased chlorophyll (<i>a</i> and <i>b</i>), total proteins, and soluble sugars in chitosan-treated plants. Furthermore, antioxidant activity, assessed using DPPH and FRAP assays, was markedly higher in the chitosan-treated group, indicating superior quality compared to both control and hydroponic basil. These results highlight the potential of shrimp-derived chitosan as a sustainable biostimulant to enhance growth and nutritional value in hydroponic basil cultivation, thereby contributing to sustainable agricultural practices and improved resource management.</p>

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Chitosan-enhanced hydroponic cultivation of Ocimum basilicum L.: a sustainable approach for improved growth, quality and antioxidant activity

  • 期刊论文

  • 发表日期：

    2025年7月2日

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  • Samia Elouali,
  • Jihane Elarabi,
  • Fatima El Amerany,
  • Youssef Ait Hamdan,
  • Nadia Eladlani,
  • Samira Benali,
  • Hassan Lamtai,
  • El Hassan El Mouden,
  • Jean-Marie Raquez,
  • Mohammed Rhazi

摘要

Hydroponic cultivation presents a sustainable alternative to conventional farming, addressing water scarcity and environmental degradation. This study investigates the effects of chitosan from royal shrimp waste on the growth and biochemical characteristics of Ocimum basilicum L. (basil) in hydroponic systems. The study compared three cultivation methods: traditional soil-based (Control/B), hydroponic without chitosan (B.H), and hydroponic with chitosan treatment (B.H.CS). Chitosan treatment significantly enhanced growth parameters, including root length (+ 52%), shoot height (+ 52%) and leaf count (+ 65%) relative to the control and non-chitosan hydroponic conditions. The biochemical analyses revealed increased chlorophyll (a and b), total proteins, and soluble sugars in chitosan-treated plants. Furthermore, antioxidant activity, assessed using DPPH and FRAP assays, was markedly higher in the chitosan-treated group, indicating superior quality compared to both control and hydroponic basil. These results highlight the potential of shrimp-derived chitosan as a sustainable biostimulant to enhance growth and nutritional value in hydroponic basil cultivation, thereby contributing to sustainable agricultural practices and improved resource management.