Biotechnology Lecture Notes

Industrial Fermentation Process (Batch, Fed-batch and Continuous Fermentation)


types of fermentation process

Fermentation Technology
(Types of Industrial Fermentation Processes)

Fermentation: An art from the past, a skill for the future…
Brain McNeil

What is fermentation?

Ø  Fermentation is a metabolic process which converts carbohydrates to alcohols, organic acids or gases by the activity of enzymes of microbial origin.

Ø   Microbes involved in fermentation process: Bacteria and Fungi.

Ø  The process of anaerobic respiration in the muscle cells of animals during exercise which produce lactic acid is also a type of fermentation.

Ø  The technique of fermentation was very ancient in origin.

Ø  Egyptians and Sumerians had the knowledge of the technique of converting starchy grains to alcoholics.

Ø  For a microbiologist, the word ‘fermentation’ means many processes such as:

$   A method of mass cultivation of microbes under aerobic or anaerobic conditions.

$   Any biological process occurs in the absence of oxygen.

$   Spoilage of food by microbial activity.

$   Production of alcoholic beverages, organic acids, antibiotics or biopolymers

$   Partial oxidation of carbohydrates

What is industrial fermentation?

Ø  The intentional use of fermentation technology for the large scale production of microbial biomass or metabolites is called industrial fermentation.

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Biotechnology Eligibility Test Preparation

DBT JRF Previous Year Question Paper 2015 Solved with Answer Key (Download PDF)


biotechnology jrf question paper

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2015 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Biotechnology Eligibility Test Preparation

Biotechnology Eligibility Test (DBT BET JRF) 2008 Solved Question Paper + Answer Key (Download PDF)

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2008 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Biotechnology Eligibility Test Preparation

Biotechnology JRF Exam 2009 Official Solved Question Paper with Answer Key (Download PDF)


Tips to qualify DBT BET JRF Exam

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2009 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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Biotechnology Eligibility Test Preparation

Biotechnology Eligibility Test 2013 Official Solved Question Paper with Answer Key (Download PDF)


DBT BET JRF Online Study Materials

Original (original) Previous Year (old) Solved Question Paper of DBT BET JRF 2013 Examination (Department of Biotechnology- Biotechnology Eligibility Test – Junior Research Fellowship) with Answer Key and Explanations as PDF. DBT BET JRF aspirants can download the question paper as single PDF file for your exam preparation. Please feel free to inform us for any mistakes in the answer key provided.

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