Paper No.: 03 Paper Title: FOOD MICROBIOLOGY Module – 05: Intrinsic factors affecting microbial growth and survival in foods CONTENTS 1.Introduction 2. Factors affecting microbial growth 2.1 Moisture content 2.2. Oxidation-reduction potential 2.3. Hydrogen ion concentration (pH) 2.4. Nutrient content 2.5. Biological structure 2.6. Antimicrobial components INTRODUCTION Microbial growth is defined as increase in number of cells, not the size of the cells. Microbial cells obtain all required nutrients from food nearby ...
Environmental factors that affect fuel system microbial growth by Elaine McFarlane Contents 1. High distillation temperatures ensure fuel sterility 2. Bulk refinery storage presents the first opportunity for microbial growth 3. Microbes can also grow during fuel transportation 4. Main factors affecting microbial growth 5. Effect of nutrient availability 6. Effect of oxygen availability 7. Effect of temperature 8. Effect of water availability 9. Adopting good housekeeping practices to reduce microbial growth High distillation temperatures ensure fuel sterility Crude oil ...
Factors influencing Microbial Growth Food Microbiology (MIC4003a) (Dr. Akhilendra Pratap Bharati) Food and Microorganism An understanding of the interactions between microorganisms and food. The ecological role of microorganisms and their importance in all the bio-geochemical cycles. The human food supply consists basically of plants and animals or products derived from them, it is understandable that our food supply contain microorganisms in interaction with food. Interaction between microorganism and food Pathogenic/spoilage, or disease causing microorganisms can cause illness Beneficial A knowledge ...
Factors Influencing Microbial Growth on Food Unit – I Chapter -3 Introduction • Microorganisms use our food supply as a source of nutrients and energy. They increase their numbers by utilizing nutrients. This can result in a deterioration of the food. They produce enzymatic changes and off-flavours in food by breaking down a nutrient or synthesizing new compounds. Thus, they "spoil" our food and makeitunfit forconsumption. MeasuresTaken: Reductionof thecontactbetweenmicroorganismsand foods(Preventcontamination) Eliminationofmicroorganismsfromourfoods, Adjustmentof conditionsofstorage(preservation) • The characteristics of ...
Pertanika J. Sci. & Technol. 30 (3): 2097 - 2113 (2022) SCIENCE & TECHNOLOGY Journal homepage: http://www.pertanika.upm.edu.my/ Evaluation of Factors Affecting Microbial Growth Inhibition and Optimization Using Pineapple Leaves Juice 1 1 1 Norazwina Zainol *, Amirah Ya’acob , Putri Nurul Yasmin Mohd Ridza , 1 2 Siti Hatijah Mortan and Kamaliah Abdul Samad 1College of Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 UMP, Gambang, Kuantan, Pahang, Malaysia 2Faculty of Chemical and Process Engineering ...
Microbial Growth & Environmental Factors Affecting Growth Assistant Prof. Dr. Fitua Al-Saedi Department of Clinical Laboratory Science College of Pharmacy Medical Microbiology Microbial Growth Refers to an increase in cell number, not in cell size. Bacteria grow on solid media as colonies. A colony is defined as a visible mass of microorganisms all originating from a single mother cell Bacteria grow and divide by binary fission, a rapid and relatively simple process. Bacterial Growth: Binary Fission Binary fission in ...
148 APPENDIX 1 FOOD STANDARDS AUSTRALIA NEW ZEALAND SAFE FOOD AUSTRALIA FOOD STANDARDS AUSTRALIA NEW ZEALAND SAFE FOOD AUSTRALIA Appendix 1: Potentially hazardous foods In Standard 3.2.2 potentially hazardous food is defined as food that has to be kept at certain temperatures to minimise the growth of any pathogenic microorganisms that may be present in the food or to prevent the formation of toxins in the food. Potentially hazardous foods are also referred to as ‘temperature control ...
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