The evaluation of freshness in foods is an essential aspect of food selection, food safety, and nutrition because the quality of food directly influences its nutrient content, sensory characteristics, and overall acceptability. Freshness tests are applied to different categories of foods such as fruits, vegetables, milk, meat, eggs, cereals, and fish, and each category requires specific indicators to judge how recently the food was harvested, processed, or handled. Freshness also determines the extent of microbial activity, enzymatic changes, and chemical deterioration, making these tests crucial for consumers, retailers, and food inspectors. In the context of Fundamentals of Food and Nutrition, understanding these tests helps ensure proper food quality assessment and prevents the consumption of deteriorated or unsafe products. In the case of fruits and vegetables, freshness is primarily judged based on visual, tactile, and sensory characteristics. Fresh fruits and vegetables typically show bright, natural colour, firm texture, and an intact appearance without signs of shrivelling or wilting. For example, leafy vegetables should appear crisp, moist, and vibrant green, while fresh fruits should be free from cuts, bruises, or microbial growth. The presence of natural aroma without any sour or fermented smell is also an indicator of their freshness. The turgidity test for vegetables is commonly used, where the firmness and rigidity of leaves or stems indicate adequate moisture content and minimal post-harvest deterioration. Overripe fruits often become soft, dull, and may show discoloration, which signals enzymatic and microbial changes. Freshness tests for cereals and pulses focus on the absence of insects, dust, stones, foul odour, and moisture. Good-quality grains appear uniform in size, shape, and colour. High moisture content is a major indicator of reduced freshness because it encourages fungal growth and reduces storage stability. The simple hand test, where grains are rubbed between fingers to check for powdery residue or unusual odour, helps detect infestation or spoilage. Soundness