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<p>This paper presents the development and methodical assessment of bamboo-cotton blend textiles enhanced with phytochemical-rich extracts from <i>Vitex negundo and Galinsoga parviflora</i> to improve antimicrobial efficacy. The finishing was accomplished through both traditional dip–dry and microencapsulation methods, with a thorough analysis of the impact of blend ratios (80/20, 60/40, 40/60 bamboo/cotton). Scanning electron microscopy verified consistent microcapsule deposition on fibre surfaces within the encapsulated samples. Comparative antibacterial assays showed that all herbal-finished textiles were very effective against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis) bacteria. The 80/20 bamboo/cotton blend was the most effective. The better performance is due to the natural antimicrobial properties of bamboo and the combined effects of the phytochemicals that are trapped inside. Systematic laundering assessments (AATCC 61 2&#xa0;A) revealed that microencapsulated fabrics retained 65–90% of their functional activity after 15 wash cycles, greatly surpassing the durability of dip–dry finishes, thereby confirming the role of the polymeric alginate matrix and citric acid crosslinking in enhancing wash fastness. These results highlight the promise of bamboo-based, phytochemical-functionalized textiles as sustainable, reusable wound dressing and hygiene materials.</p>

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Synergistic antimicrobial properties and durability of microencapsulated bamboo–cotton bandages functionalized with Vitex negundo and Galinsoga parviflora

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Rajan Kavitha,
  • K. Buvaneswari,
  • Murugaganesh Ramachandran,
  • Ayodeji Olalekan Salau

摘要

This paper presents the development and methodical assessment of bamboo-cotton blend textiles enhanced with phytochemical-rich extracts from Vitex negundo and Galinsoga parviflora to improve antimicrobial efficacy. The finishing was accomplished through both traditional dip–dry and microencapsulation methods, with a thorough analysis of the impact of blend ratios (80/20, 60/40, 40/60 bamboo/cotton). Scanning electron microscopy verified consistent microcapsule deposition on fibre surfaces within the encapsulated samples. Comparative antibacterial assays showed that all herbal-finished textiles were very effective against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis) bacteria. The 80/20 bamboo/cotton blend was the most effective. The better performance is due to the natural antimicrobial properties of bamboo and the combined effects of the phytochemicals that are trapped inside. Systematic laundering assessments (AATCC 61 2 A) revealed that microencapsulated fabrics retained 65–90% of their functional activity after 15 wash cycles, greatly surpassing the durability of dip–dry finishes, thereby confirming the role of the polymeric alginate matrix and citric acid crosslinking in enhancing wash fastness. These results highlight the promise of bamboo-based, phytochemical-functionalized textiles as sustainable, reusable wound dressing and hygiene materials.