Mangosteen peel (Garcinia mangostana Linn.) extract using hot water (MPE) has been shown to have antibacterial potential in freshwater sea bass (Lates calcarifer) larvae infected with Aeromonas hydrophila. In vitro studies showed that MPE has a minimum inhibitory concentration (MIC) of 25 ppm and a minimum bactericidal concentration (MBC) of 25 ppm. In vivo, sea bass larvae were immersed in various concentrations of MPE at 0 ppm (control), 20 ppm, 40 ppm and 60 ppm, respectively, for 7 days with A. hydrophila. The results showed that the MPE-treated group had a higher survival rate compared to the control group. Hematological parameters showed that the MPE-treated group had significantly increased red blood cell (RBC), white blood cell (WBC) and hemoglobin (Hb) concentrations compared to the control group. In addition, the water quality parameters were not significantly different, except for ammonia concentration, with MPE having an ammonia concentration of 60 ppm being the lowest. All results can indicate that MPE can improve the antibacterial potential and the culture potential of sea bass larvae.
ปลากะพงขาว (Lates calcarifer) เป็นปลาที่ได้รับความนิยมมากที่สุดในอุตสาหกรรมการเพาะเลี้ยงสัตว์น้ำของไทย โดยเลี้ยงในน้ำจืดและน้ำกร่อย คิดเป็น 95.97% ของพื้นที่เพาะเลี้ยงปลาทะเลทั้งหมด ความสามารถในการปรับตัวและความง่ายในการเลี้ยงในน้ำจืดทำให้ตอบสนองความต้องการได้สูง แต่ยังประสบปัญหาโรคที่เกิดจากแบคทีเรีย เช่น Aeromonas hydrophila ซึ่งก่อให้เกิดโรคร้ายแรงและต้องการวิธีป้องกันที่เป็นมิตรต่อสิ่งแวดล้อม เปลือกมังคุด (Garcinia mangostana Linn.) ที่อุดมไปด้วยสารออกฤทธิ์ทางชีวภาพ แสดงคุณสมบัติต้านแบคทีเรียและเสริมภูมิคุ้มกันในสัตว์น้ำ จากการศึกษาพบว่าเปลือกมังคุดมีประสิทธิภาพในการต้านเชื้อโรคในปลา เช่น Vibrio harveyii และ A. hydrophila ซึ่งเป็นทางเลือกที่ยั่งยืนในการจัดการโรคในฟาร์มปลากะพงขาว
คณะอุตสาหกรรมอาหาร
The activities of the project's operations consist of: checking microbe on sample food, hygienic condition of cooker, containers and materials, sanitation knowledge and private sanitation and food quality of canteen and cleaning of cooker. The Food Safety Management program collaborated with the Property Management office, planned the operations, and assessed food vendors based on the SAN 20 food safety standards requirements. Using A.13 testing kits, we conducted testing for coliform bacteria contamination in food, containers, equipment, and hand contact surfaces, collecting 6 samples. These included samples such as prepared food, areas in front of the store, and food handlers' hands. Additionally, we used A.11 testing kits to test for coliform bacteria contamination in water and ice. The analysis of results, including physical, microbiological, and chemical aspects, serve as a guideline for improving the quality and safety of food production and service in the institution's canteen.
คณะวิทยาศาสตร์
This project aims to investigate and develop an energy storage system utilizing solar energy sources through the integration of solar cell technology and Graphene Quantum Dot Battery, representing a novel approach to enhancing energy storage efficiency and prolonging the lifespan of renewable energy systems. The selection of graphene and quantum dots as materials for battery development is attributed to their exceptional properties, including high electrical conductivity, charge storage capacity, efficient energy transfer, and enhanced stability.
วิทยาลัยนวัตกรรมการผลิตขั้นสูง
The objective of this research is to utilize waste slag in industrial applications and help mitigate flooding, water accumulation, and ponding issues. Currently, slag from the steel smelting or refining process is commonly used as a component in construction materials, such as road surfaces. However, slag has properties that make it difficult for water to permeate, leading to poor drainage and increased flooding problems. This study focuses on improving the properties of pavement materials to enhance their strength and water permeability. This can be achieved through physical structural modifications or the addition of chemical agents such as HPMC, which increases void spaces to facilitate water absorption and drainage according to required standards. The utilization of waste slag not only helps reduce production costs and improve material performance but also minimizes environmental impacts and promotes the sustainable use of resources.