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Importance of food microbiology
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Introduction Microbes are the smallest organisms that cannot be seen by human naked eyes. But, microbes can be observed under the microscope. Microbes include viruses, bacteria, protozoa and fungi. Microbes commonly harmful to human but some are beneficial. Microbes play important roles in human life. Nowadays, microbes are used in various types of industries like food industry, biomedical industry and agriculture or our environment. Microbes are important to our environment because they used in Earth’s element cycle like nitrogen cycle. Microbes also involved in the oxygen production and biomass control. Besides that, microbes lead a symbiotic type of lifestyle of multicellular organisms. Microbes able to produce many enzymes for building …show more content…
As we know, fermentation is a step to obtain the energy without oxygen on a cellular level. Besides that, fermentation also involves the breaking down the organic materials to simplest materials. Microbes can be used to produces bread, cheese and also wine.
Bread Making Process
In bread making process, the microbe used is yeast. During this process, yeast act as the agent to rise up the dough. This is happened because of the breakdown of fermentable sugars. Yeast will generate the carbon dioxide and caused the breakdown of the sugars. The species involves in the bread making industry is Saccharomyces cerevisiae.
Cheese Making Process
Cheese is made of the coagulation process of casein in the milk. The process is produced by lactic acid bacteria. Milk contains of the main sugar which is lactose. In fermentation process, lactose will be converted into lactic acid. Then, the milk become sour due to absence of oxygen and it became thicken. The species involve is Lactobacillus
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As we know, microbes can classify into several categories like viruses, bacteria, protozoa, and yeasts and molds. All of these microbes are beneficial and some are harmful. The beneficial microbes are needed because they can give some applications in several industry and environment. For food industry, the Saccharomyces cereviae (yeast) is used in bread and alcoholic beverages production. Cheese production is generated by Lactobacillus lactis. Besides that, microbes like Nitrosomonas and Nitrobacter are involve in nitrification process and Bacillus ramosus involves in
Fermentation is the biological process which allows humans to brew beer, or any other alcoholic beverage. This process occurs in the absence of oxygen, as a means for the cell to produce adenosine triphosphate (ATP), the source of cellular energy. Though little energy can be produced in this manner, it allows the yeast to survive in t...
The purpose of this investigation is to test the effects of multiple sugar substances on the respiration of yeast. Most people think of yeast when they think of what makes bread rise, cheese, alcoholic beverages, or other food products. Another type of yeast can also cause yeast infections, an infection of the skin. Yeasts (Saccharomyces) are tiny, microscopic organisms with a thin membrane and are usually oval or circular-shaped. They are a type of single-celled fungi of the class Ascomycetes, capable of processing sugar into alcohol and carbon dioxide (CO2 ) ; this process is known as fermentation. Fermentation and the products are the main focus points for this experiment being that cellular respiration of yeasts happens via the process of fermentation, which creates by-products of alcohol and CO2. The level of CO2 produced by the yeasts will show how effective each sugar substance is in providing cellular energy for the yeasts.
There are numerous types of bacteria that can be found in every environment. Each bacterium has different morphology which includes shape, texture and pigment production. These bacteria also have different food requirements which are important in being able to identify a microorganism. Microorganisms are a diverse group containing all bacteria a single cell prokaryotic organism that is found in every type of environment, archea single cell microorganism that lacks nuclei and almost all microorganisms are protozoa a unicellular eukaryotic organism. By identifying the causative agent of a bacterium within an individual, an antibiotic can be developed to prevent health issues. Microorganisms are also used to make certain food products for human consumption. An example of this would be the production of yogurt. It has probiotics that help with digestive abnormalities amongst other things. Probiotics are microorganisms that are consumed to provide health benefits in the body. Probiotics work by replacing the disturbed microbe with ones that are useful to digest. With the methods that wer...
...standing the nature of relationship between the residing microbes inside human cells and about their function is very important to put an end to this war and to live in peace with the natural organisms that are benefitting human body and their survival has become our primary importance.
What are microorganisms? They are organisms that you have to view with a microscope. The three that I will be discussing are bacteria, viruses, and prions. Of the three, a bacterium is the only one that can be helpful to us in many situations, and they are also the most diverse organism on the earth. The structure, reproduction, and the diseases bacteria, viruses, and prion cause are all different. Let’s begin to compare these microorganisms.
Microbiology is the study of microscopic organisms such as virus, Protista and bacteria. It’s important to know and to identify what kind of bacteria and how we can treat it since is found everywhere in society. Also to know what kind of bacteria it is by the performing different biochemical test and be able to differentiate the bacteria. This is use in the medial field where is important to know what kind of bacteria there dealing with and know how to treat it.
These germs, or organisms, are often living in or on our bodies. Most of the time they are harmless, and sometimes they are helpful.2 These organisms are often called microorganisms because they are so small they can only be seen through a microscope. There are millions of microorganisms living in your body that help with body functions. The problem is when a microorganism that can cause disease enters your body and starts to multiply. These unwanted microorganisms are called pathogens. Pathogens can be bacteria, viruses, fungi, protozoans and insects or animals.3
Fermentation is an anaerobic process in which fuel molecules are broken down to create pyruvate and ATP molecules (Alberts, 1998). Both pyruvate and ATP are major energy sources used by the cell to do a variety of things. For example, ATP is used in cell division to divide the chromosomes (Alberts, 1998).
Cheese is a very famous food that is can be used in many dishes for example main course and desserts. Cheese is a food that is made from a milk based. This milk can come from various sources for example cows and goats. Water content is remove fully from the milk. The function of this process is to improve and concentrated the protein, fat and other nutrients in the cheese. It also use to increase the life time for the cheese. The cheese making is one of the examples for the biotechnology.
“Fermentation occurs in fruits, bacteria, yeasts, fungi, as well as in mammalian muscle”(Biology Online, 2008, p. xx-xx) . “Yeasts were discovered to have connection with fermentation as observed by the French chemist, Louis Pasteur” (Biology Online, 2008, p. xx-xx). “Pasteur originally defined fermentation as respiration without air” (Biology Online, 2008, p. xx-xx). “However, fermentation does not have to always occur in anaerobic condition” (Biology Online, 2008, p. xx-xx). “Yeasts still prefer to undergo fermentation to process organic compounds and generate ATP even in the presence of oxygen” (Biology Online, 2008, p. xx-xx). “However, in mammalian muscles, they turn from oxidative phosphorylation (of cellular respiration) to fermentation when oxygen supply becomes limited, especially during a strenuous activity such as intensive exercising” (Biology Online, 2008, p. xx-xx).
In this assignment I am going to explain the 5 different social benefits of micro-organisms. The areas I am going to talk about are as follows;
They also describe microbes as organisms that are often too small to be seen without the aid of a microscope. Microbes, also known as microorganisms, can be broken down into four classifications that are bacteria, viruses, fungi, and protozoa.
Although not shown in the fermentation reaction, numerous other end products are formed during the course of fermentation Simple Sugar → Ethyl Alcohol + Carbon Dioxide C6 H12 O6 → 2C H3 CH2 OH + 2CO2 The basic respiration reaction is shown below. The differences between an-aerobic fermentation and aerobic respiration can be seen in the end products. Under aerobic conditions, yeasts convert sugars to
Alcoholic fermentation is done by yeast and some kinds of bacteria. The digestible carbohydrates such as simple sugars and starch were converted into alcohol and carbon dioxide by these microorganisms. Acetic acid fermentation occurs when the alcohol produced in the alcoholic fermentation is further converted into acetic acid, and carried out by an acid producing bacteria, whereas, lactic acid fermentation is carried out by the lactic acid bacteria to produce lactic acid which is responsible for the sour taste as well as for the improved microbiological stability and safety of the
Studies have shown that there are bacteria and fungi with certain strains that live in soil. When they are applied to the seeds, they can aid crops by invigorating plant growth or by decreasing the damage created from plant pathogens bred from the soil. Another example is the bacterial species, Mycorrhiza. It is a fungus, which is able to form a union with a majority of land plants. When this action occurs, that symbiotic relationship assists to increase uptake by the root system to about 90 percent. This in turn helps the plant take in water and nutrients from deep inside the soil. It also allows the activation of genes and physiological changes in the plant which helps them to survive drought circumstances. Other microbes are also able to lift a plant 's resistance to bugs. A larger focus on microorganisms colonizing our plants and sharing a symbiotic relationship with them would greatly improve yields and lessen the need for costly fertilizers and pesticides. Information such as this would be very useful for students in college who are interested in businesses such as