Identify physical and chemical methods used for foodpreservation. How does each method limit growth ofmicroorganisms?

Q: Microorganisms are often grouped according to their optimum growth temperatures. Which groups are…

A: Bacteria spoil refrigerated foods.

Q: What group of microorganisms is responsible for producing fermented beverages? What microorganism…

A: Fermentation is defined as the metabolic process in which yeasts, bacteria, or other microbes are…

Q: give at least guidelines of each of the Biosafety Levels, and identify the microorganisms considered…

A: Answer: Biosafety levels (BSL)  : Biosafety levels are the protection levels, used in the…

Q: How irradiations are helpful in food preservation? explain briefly

A: Food preservation  Food preservation is a method of keeping food safe log longer period of time.…

Q: Identify the major methods of food preservation.

A: Food preservation is the process that delays the spoilage of food by preventing the growth of…

Q: Which of the following agents (yeast, bacteria, and molds) do you think should be utilized to…

A: Yeast is a single-celled creature known as Saccharomyces cerevisiae that requires food, heat, and…

Q: Explain the importance of microbes as agents of food-borneillnesses.

A: Food-borne illness or food poisoning is an illness caused by consuming foods that are contaminated…

Q: What is the rationale for selecting E. coli as the indicator of water potability?

A: We are all aware of the fact that , water is crucial and vital for sustainability of  life on earth.…

Q: Indicate some possible ways in which foods may become contaminatedwith enteric organisms.

A: Contamination is the state where the substance is no longer suitable for use. The contamination of…

Q: Which would be more likely to cause illness and why—a water sample that tested positive for fecal…

A: Ans: Escherichia coli  is the gram negative organism which forms part of normal flora of humans.

Q: What are the microbes used in fermentation of products?

A: Food products contain many types of microbes transmitted either through the soil, plants, animals,…

Q: What other foods are produced by microbial fermentations? What organisms are involved?

A: Microbial fermentation is a process through which the microbes decompose and utilize the…

Q: explain food preservation and explain methods used in food reservation (Non-chemical), such as…

A: FREEZING It is a method of preserving fresh meat and food by keeping the original characteristics…

Q: Name 2 indirect methods for measuring microbial growth and describe how each is performed. a. i.…

A: Two indirect methods for measuring microbial growth are :  1. Turbidimetric method 2. Standard plate…

Q: Identify the canning methods used in the industry, and differentiate the methods used

A: INTRODUCTION Food preservation is a method used for food processing techniques, that controls the…

Q: Why only specific microbes are selected to produce the fermented products?

A: Fermentation refers to “partial oxidation” of sugars by microbes using the organic molecule to…

Q: What sources of microbial contamination are in nutrient agar exposed in air,water,soil and plant…

A: Sources of microbial Contamination: - AIR: - Air contains a lot of bacteria staying afloat in the…

Q: explain about intrinsic and extrinsic factors in food microbiology.

A: The connection among microbes as well as other living creatures on Earth is natural, continual, and…

Q: Describe the characteristics of microorganisms must have to be useful in the industrial fermentation…

A: Microorganisms are interesting organisms that have an enormous variety of characteristics.…

Q: Which are food characteristics affected by microbial spoilage? How?

A: Microorganisms are unicellular organisms that may be pathogenic in nature. Food spoilage is caused…

Q: Propose a confirmatory procedure that will determine if the microbial growth recovered from canned…

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…

Q: Identify microorganisms responsible for nitrogen fixation

A: Nitrogen is a critical limiting element for plant growth and production. It is a major component of…

Q: batch fermentation affects the biomass production of the microorganism, and what factors influence…

A:

Q: Describe the five phases of a microbial growth curve observed when growing microbes are grown in…

A: The bacterial growth curve represents the number of live cells in a bacterial population over a…

Q: What is the optimum growth temperature for most human pathogens? Explain.

A: Bacterial growth is the division of one bacterium into two daughter cells in a process called binary…

Q: What is the optimum requirements of the squash soup to know if that soup is acceptable and high…

A: Squash soup It is rich in vitamin A, potassium, fiber, and several other vital nutrients. These…

Q: Describe the various ways by which the physical structure of food affects the course and extent of…

A: Food items that are maintained for a long time and are not stored properly deteriorate and are…

Q: List four microorganisms used in the dairy industry.

A: In practically all processes on Earth, micro-organisms and their activities are significant. In the…

Q: Explain state the role microorganisms play in Food and Beverage industry.

A: Microscope organisms are microorganisms are tiny living organisms that usually exist in…

Q: how does psychrotrophic bacteria cause the spoilage of refrigerated foods?

A: The term psychrotrophs (additionally named psychrotolerant) alludes to microorganisms that can…

Q: Why does the rate of product formation level off with time?

A: Reaction rate  = Δ[C]/Δt, where Δ[C]= change in product concentration overtime period Δt. Products…

Q: fermented foods

A: The process which is biochemical where the chemical breakdown of substances occurs by bacteria,…

Q: Explain Chromatography Techniques in measuring food contaminants.

A: Chromatography is a important method help in the detection of many impurities , based on colour…

Q: Why might the addition of inorganic nutrients stimulate oildegradation whereas the addition of…

A: Biomolecules are the biological molecules that are present inside the living organisms. These…

Q: explain  what is foodborne diseases and give an examples of some bacterial food borne pathogens?

A: A disease is a specific aberrant state that has a negative impact on the structure or functioning of…

Q: What techniques are used for detection and enumeration of microorganisms in foods?

A: Microorganisms are microscopic organisms that are mostly structured as single-cell organisms,…

Q: Discuss the main types of food preservation techniques

A: Food preservation includes food processing practices which prevent the growth of microorganisms, or…

Q: What considerations should be made to safely thaw frozen foods for later consumption?

A: Preservation is a process through which the growth of bacteria, fungi, and other microorganisms is…

Q: Briefly describe why the pH of the environment will impact toxicant absorption?

A: Toxicants  are substances which are harmful for the human body when the are inhaled, ingested or…