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All plants and animals have a natural microflora associated with them. For example, the plants have a natural microflora associated with the surface of roots, stems, leaves etc. The animals have a natural microflora associated with the skin, the gut content and external openings e.g. the mouth. These microflora are one of the sources of micfoorganisms associated with spoilage.
Equipment can be a source ofcontamination. It can be contaminated during production and also while it is not being used and most important, if not cleaned regularly and thoroughly. Other than the foreign objects, the most common source of microbial contamination in food are the employees i.e. the humans. The hand, hair, nose and mouth carry microorganisms that can be transferred to the food during processing, preparation, packaging and service by touching, breathing coughing etc. Further, water used for cleaning and as an ingredient in many processed food, if not clean/ pure can contaminate food. Microorganisms in air can also contaminate food during processing, preparation etc. Insects and rodents such as mice, cockroaches etc. carry dirt and disease with their feet, fur and faeces. They transfer dirt from garbage dumps and sewers to food or food processing and food service area, thus being a source of contamination. Finally, raw untreated sewage carries high microbial load and may contaminate water, food or equipment through faulty plumbing or otherwise.
Assortment is a method in which the meiosis produces new combinations of the genetic information. The paternal and maternal chromosomes line up randomly during the process of syna
Q. Explain about Rheology of Foods? Rheology is the study of stress and strain or in other words, it is the study of flow and deformation of materials, both liquids and solids,
Answer the following eight questions (a through h) based upon a tripeptide sequence of the following amino acids (one-letter codes are given): S (serine) P (proline) K (lysine)
M-Mode was the earliest form of cardiac ultrasound used clinically. It displays the amplitude signals of various structures along the length of ultrasound beam with distance or
LAMELLA R MODELS According to James Danielly & Hugh Davson (1935) cell membrane consists of 4 layers P-L-L-P. Molecules of phospholipid has amphipathic nature, i.e. it
Sphaerosome Also known as Plant lysosome , because they contain hydrolytic enzymes. Hanstei n first observed them and called microsomes . Discovered by Dangeared
Explain about the Observation and Classification of Arthropoda? Introduction In the previous unit you have examined the representatives of artliropoda. In this unit, you wi
On average what is the life duration of the red blood cells? Where are they destroyed? What is the destination of the heme groups after the destruction of hemoglobin molecules?
How the Oxidation-reduction potential influence the spoilage of meat? You learnt earlier that the presence or absence of oxygen and the 0-R potential of the food itself has a b
Explain Ventilation (NIV)? This refers to the use of mechanical ventilatory support without the use of an endotracheal tube. NIV may be by the application of a continuous posit
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