Microbes in Household Products and Industry
Fermented foods, antibiotics, organic acids, enzymes and bioactive molecules. (Biology › Microbes in Human Welfare, NEET UG syllabus.)
What is Microbes in Household Products and Industry?
A metabolic process that produces chemical changes in organic substrates through the action of enzymes, often in the absence of oxygen.
Key points
- Identify the role of microbes in the production of common household items like curd and bread.
- List various industrial products derived from microbes, including beverages, antibiotics, organic acids, enzymes, and bioactive molecules.
- Name specific microbes associated with the production of key industrial products.
- Explain the significance of antibiotics and bioactive molecules in medicine.
Common exam trap
Confusing the specific microbe with its product (e.g., thinking yeast produces lactic acid).
Definitions
- Term
Fermentation
- Meaning
A metabolic process that produces chemical changes in organic substrates through the action of enzymes, often in the absence of oxygen.
- Term
Probiotics
- Meaning
Live microorganisms which, when administered in adequate amounts, confer a health benefit on the host.
- Term
Antibiotics
- Meaning
Chemical substances produced by some microbes that can kill or retard the growth of other (disease-causing) microbes.
- Term
Bioactive molecules
- Meaning
Substances that have an effect on living organisms, tissues, or cells, often with therapeutic potential.
Learning objectives
Identify the role of microbes in the production of common household items like curd and bread.
List various industrial products derived from microbes, including beverages, antibiotics, organic acids, enzymes, and bioactive molecules.
Name specific microbes associated with the production of key industrial products.
Explain the significance of antibiotics and bioactive molecules in medicine.
Describe the applications of microbially derived enzymes.
Prerequisites
Basic understanding of microbial diversity (bacteria, fungi).
Knowledge of fermentation processes.
Familiarity with basic biological molecules (carbohydrates, proteins).
Common mistakes
Confusing the specific microbe with its product (e.g., thinking yeast produces lactic acid).
Misremembering the function of bioactive molecules (e.g., Cyclosporin A as cholesterol-lowering).
Incorrectly identifying the microbe for a specific industrial product (e.g., Aspergillus niger for acetic acid).
Forgetting the role of CO2 in bread making (rising of dough).
Not distinguishing between baker's yeast and brewer's yeast (both are Saccharomyces cerevisiae but used for different purposes).
Keywords
Microbes
Fermentation
Lactobacillus
Saccharomyces cerevisiae
Antibiotics
Penicillin
Organic acids
Citric acid
Acetic acid
Enzymes
Lipases
Pectinases
Bioactive molecules
Cyclosporin A
Statins
Aspergillus niger
Acetobacter aceti
Trichoderma polysporum
Monascus purpureus
Practice preview
The 'Baker's yeast' used for fermenting dough in bread making is:…
easy
The first antibiotic, Penicillin, was discovered by Alexander Fleming from which of the following microorganisms?…
easy
Match the following microorganisms with the organic acid they produce: 1. Aspergillus niger 2. Acetobacter aceti 3. Clostridium butylicum a. Butyric acid b. Citric acid c. Acetic acid…
medium