Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii
Bacterial infections are a major concern in aquaculture, and although antibiotics are commonly used for treatment, they may lead to toxicity and environmental risks. In search of safer alternatives, this study explores the antibacterial potential of natural compounds from the fruit of Shorea macroph...
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| Format: | Article |
| Language: | en |
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Elsevier Ltd.
2026
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| Online Access: | http://ir.unimas.my/id/eprint/50607/1/Next%20Research%20Engkabang%20antimicrobial.pdf http://ir.unimas.my/id/eprint/50607/ https://www.sciencedirect.com/science/article/pii/S3050475925009716 https://doi.org/10.1016/j.nexres.2025.101104 |
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| author | Chung, Hung Hui Hew, Pei Xuan Ivy Yee Yen, Chew Crystal Jia Jing, Lim Kristene Ling, Yong Sim, Siong Fong Lesley Maurice, Bilung Leonard Whye Kit, Lim |
| author_facet | Chung, Hung Hui Hew, Pei Xuan Ivy Yee Yen, Chew Crystal Jia Jing, Lim Kristene Ling, Yong Sim, Siong Fong Lesley Maurice, Bilung Leonard Whye Kit, Lim |
| author_sort | Chung, Hung Hui |
| building | Centre for Academic Information Services (CAIS) |
| collection | Institutional Repository |
| content_provider | Universiti Malaysia Sarawak |
| content_source | UNIMAS Institutional Repository |
| continent | Asia |
| country | Malaysia |
| description | Bacterial infections are a major concern in aquaculture, and although antibiotics are commonly used for treatment, they may lead to toxicity and environmental risks. In search of safer alternatives, this study explores the antibacterial potential of natural compounds from the fruit of Shorea macrophylla (Engkabang), a native species known for its bioactive phytochemicals. The objective was to evaluate the antibacterial activity of engkabang fruit extracts against five aquaculture-relevant bacteria: Pseudomonas koreensis, Citrobacter freundii, Enterobacter hormaechei, Salmonella enterica, and Bacillus subtilis. Using the disc diffusion method, extracts were tested at concentrations of 20 mg/disc, 10 mg/disc, and 2 mg/disc with hexane, isopropanol, and acetone as solvents. Notably, C. freundii showed inhibition zones at all concentrations with isopropanol and hexane extracts, while S. enterica exhibited inhibition zones at all concentrations with isopropanol and acetone extracts. These results indicate significant antibacterial activity, highlighting engkabang fruit extract as a promising natural alternative to antibiotics in aquaculture. |
| format | Article |
| id | my.unimas.ir-50607 |
| institution | Universiti Malaysia Sarawak |
| language | en |
| publishDate | 2026 |
| publisher | Elsevier Ltd. |
| record_format | eprints |
| spelling | my.unimas.ir-506072025-11-30T23:53:05Z http://ir.unimas.my/id/eprint/50607/ Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii Chung, Hung Hui Hew, Pei Xuan Ivy Yee Yen, Chew Crystal Jia Jing, Lim Kristene Ling, Yong Sim, Siong Fong Lesley Maurice, Bilung Leonard Whye Kit, Lim Q Science (General) QD Chemistry QK Botany QR Microbiology SB Plant culture Bacterial infections are a major concern in aquaculture, and although antibiotics are commonly used for treatment, they may lead to toxicity and environmental risks. In search of safer alternatives, this study explores the antibacterial potential of natural compounds from the fruit of Shorea macrophylla (Engkabang), a native species known for its bioactive phytochemicals. The objective was to evaluate the antibacterial activity of engkabang fruit extracts against five aquaculture-relevant bacteria: Pseudomonas koreensis, Citrobacter freundii, Enterobacter hormaechei, Salmonella enterica, and Bacillus subtilis. Using the disc diffusion method, extracts were tested at concentrations of 20 mg/disc, 10 mg/disc, and 2 mg/disc with hexane, isopropanol, and acetone as solvents. Notably, C. freundii showed inhibition zones at all concentrations with isopropanol and hexane extracts, while S. enterica exhibited inhibition zones at all concentrations with isopropanol and acetone extracts. These results indicate significant antibacterial activity, highlighting engkabang fruit extract as a promising natural alternative to antibiotics in aquaculture. Elsevier Ltd. 2026-11 Article PeerReviewed text en http://ir.unimas.my/id/eprint/50607/1/Next%20Research%20Engkabang%20antimicrobial.pdf Chung, Hung Hui and Hew, Pei Xuan and Ivy Yee Yen, Chew and Crystal Jia Jing, Lim and Kristene Ling, Yong and Sim, Siong Fong and Lesley Maurice, Bilung and Leonard Whye Kit, Lim (2026) Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii. Next Research, 3 (2026). pp. 1-7. ISSN 3050-4759 https://www.sciencedirect.com/science/article/pii/S3050475925009716 https://doi.org/10.1016/j.nexres.2025.101104 |
| spellingShingle | Q Science (General) QD Chemistry QK Botany QR Microbiology SB Plant culture Chung, Hung Hui Hew, Pei Xuan Ivy Yee Yen, Chew Crystal Jia Jing, Lim Kristene Ling, Yong Sim, Siong Fong Lesley Maurice, Bilung Leonard Whye Kit, Lim Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title | Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title_full | Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title_fullStr | Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title_full_unstemmed | Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title_short | Shorea macrophylla (Engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against Salmonella enterica and Citrobacter freundii |
| title_sort | shorea macrophylla (engkabang) phytochemical fruit extract exhibits antimicrobial susceptibility against salmonella enterica and citrobacter freundii |
| topic | Q Science (General) QD Chemistry QK Botany QR Microbiology SB Plant culture |
| url | http://ir.unimas.my/id/eprint/50607/1/Next%20Research%20Engkabang%20antimicrobial.pdf http://ir.unimas.my/id/eprint/50607/ https://www.sciencedirect.com/science/article/pii/S3050475925009716 https://doi.org/10.1016/j.nexres.2025.101104 |
| url_provider | http://ir.unimas.my/ |