Antibacterial and Mechanical Properties of Natural Rubber Latex Mixed with Plai (Zingiber cassumunar Roxb.) and Mangosteen (Garcinia mangostana Linn.) Peel Extracts
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Abstract
Nowadays, there is a growing interest in rubber products that possess the the ability to inhibit bacterial growth, as bacteria on rubber items can lead to various diseases. This research aimed to prepare and study the properties of natural rubber containing plai or mangosteen peel extracts as an antibacterial agent in natural rubber latex. A comparative study of the antibacterial activity between plai and mangosteen peel extract at concentrations of 0, 3, 6, 9 and 12 phr and the combination of plai and mangosteen peel extract was evaluated. The antibacterial properties were tested against three bacterial strains: aureus, Bacillus cereus, and Escherichia coli. Additionally, the mechanical properties of the rubber film were examined. The results revealed that the addition of plai extract in natural latex had better antibacterial resistance than the mixture of mangosteen peel extract. Optimizing the addition of 3 and 12 phr of plai extract demonstrated the highest antibacterial properties against S. aureus and E. coli, respectively. When mixed with mangosteen peel extract at 12 phr, natural rubber latex exhibited excellent antibacterial properties agints B. cereus.The combination of plai and mangosteen peel extract gave similar results to using a single extract. However, the rubber film obtained by adding mangosteen peel extract displayed better mechanical properties compared to the addition of plai extract at the same concentration. This research highlights the potential of incorporating plai or mangosteen peel extract into natural rubber latex to produce antibacterial rubber products.
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการเผยแพร่ในวารสารวิทยาศาสตร์และเทคโนโลยี มรย. นี้ ถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยี มรย. หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวิทยาศาสตร์และเทคโนโลยี มรย. ก่อนเท่านั้น
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