IGNOU MFN 3 2026 2027 - Define the term food adulteration. Give the physical detection methods

Question

Define the term food adulteration. Give the physical detection methods for the
following adulterants:
i. Sugar solution in honey
ii. Mineral oil in oils and fats
iii. Chicory in coffee

17 Jul 2026

Answer :

Word Count : 645

Food adulteration refers to the deliberate or accidental addition, substitution, removal, or contamination of food substances that reduce the quality, purity, nutritional value, or safety of food. It involves mixing inferior, cheaper, or harmful substances with food products to increase profit or alter appearance, taste, weight, or shelf life. Adulteration may also occur due to poor handling, storage, processing, or packaging practices. It is a serious public health concern because adulterated foods may cause food poisoning, nutritional deficiencies, allergic reactions, chronic diseases, or even life-threatening illnesses. Food adulteration also deceives consumers by providing products that fail to meet prescribed quality standards. Regulatory authorities establish food safety laws and quality standards to detect and prevent adulteration through regular inspection and laboratory testing. Physical detection methods are simple tests based on visible changes, colour, texture, settling behaviour, or other observable characteristics. These methods are useful for preliminary identification of common

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