Food science is said to be one of the vast developing fields all over the world. This chapter completely deals about the brief introduction of food science, its origin, evaluation, storage techniques, packaging, etc., This food science can be evolved from different types of sources, like plants and animals which plays a major role in day today life. This chapter also comprises of important components present in the food science such as carbohydrates, proteins, vitamins, fats, oils, etc., and also this chapter deals about the importance of food technology in various applicational studies, for example, nanobiotechnology, agricultural fields, etc., overall this chapter comprises of importance about food science and its regulation which will facilitate the upcoming researchers to focus on food science. © Springer International Publishing AG, part of Springer Nature 2018.