4.2. Introduction

Food items are being processed for various reasons. Since times immemorial, grains have been dried after harvest to increase their shelf life. Initially, foods were processed primarily to improve digestibility, palatability and to ensure a continuous supply.

Food processing serves key purposes: it extends the shelf life of foods, enhances their taste and makes them easier to digest. For centuries, simple techniques like drying have been used to preserve grains after harvesting. This not only helps in storing food for longer durations but also makes it safe and pleasant to eat.

Think of drying fruits. When you dry apples or mangoes, they last much longer and can be enjoyed as snacks throughout the year, rather than just when they're fresh. This preservation technique allows you to enjoy them even when they are out of season.

With passage of time, improved transportation, communication and increasing industrialisation, the needs of consumers have become more diverse and there is now increasing demand for ‘fresh’ and ‘organic’ foods, ‘safer and healthier’ foods and foods with adequate shelf life.

As societies advance, consumer demands evolve. Improvements in transportation and communication mean that people can access a wider variety of food. Today, consumers often seek fresh or organic options that are healthier and safe to eat. This changing demand has led to innovations in food processing techniques to meet these new standards.

Consider the rise of organic produce in supermarkets. A few decades ago, most food was conventional. Now, shoppers can find a whole section dedicated to organic products, highlighting society's shift toward health-conscious decisions.

Consumers expect better-quality foods with retention of nutrients, many a time having specific functional properties and taste/texture/consistency, while being shelf-stable and easy to package, store and transport.

Today’s consumers are more aware and concerned about the quality of their food. They expect that processed foods will retain important nutrients and offer desirable tastes and textures. Additionally, foods should be easy to transport and store, providing convenience in today's fast-paced lifestyle.

Think about the last time you purchased a snack. You likely chose something that not only tasted good but was also packaged conveniently for travel. For instance, a healthy protein bar that fits in your bag demonstrates the blend of quality and convenience that modern consumers expect.

All of us eat readymade foods. These range from biscuits, bread, pickles/papads to foods such as ready-to-eat curries, meal items, snacks, etc.

Processed foods are ubiquitous and range widely in types. From simple snacks like biscuits to complex meals like ready-to-eat curries, food processing techniques enable manufacturers to cater to various consumer needs and preferences.

Picture a busy day when you don’t have time to cook. You might grab a ready-to-eat meal from the freezer section. These processed foods save you time, showing the convenience and variety that food processing brings to our lives.

The increasing prevalence of diseases like heart disease and diabetes and concern about wellness has made it necessary for scientists to alter the nutrient content of foods.

With rising health concerns, food scientists must adapt the nutrient profiles of processed foods. This might include reducing calories or modifying ingredients to make foods more beneficial while still appealing to consumers.

Consider the range of low-calorie snack options available today. These have been developed in response to increased awareness about diet and health, showing how consumer demands and health trends directly influence food technology.

Consumer perceptions about food have changed. The demand for foods free of chemicals, pesticides and preservatives, yet having a longer shelf life and retaining their natural flavour and appearance, is rapidly increasing.

There is a growing preference for natural foods among consumers. People increasingly seek products that avoid artificial additives yet still provide a longer shelf life and appealing appearance. This trend pushes food technology to innovate towards more natural preservation methods.

Think of organic snacks that are marketed as free from preservatives. They appeal to health-conscious consumers who want to enjoy tasty foods without artificial chemicals, demonstrating the shift in consumer priorities towards healthier options.

All this has increased the importance of food processing and technology as a discipline and there is a huge demand for food technologists.

As food processing technology evolves, the need for skilled professionals, or food technologists, is greater than ever. These experts design and improve methods to meet consumer demands while ensuring food safety and nutritional value.

Just like how engineers are essential for designing safe buildings, food technologists are crucial for creating safe and nutritious food products. Their expertise is key to providing high-quality foods to the population.

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