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  2. List of food origins - Wikipedia

    en.wikipedia.org/wiki/List_of_food_origins

    List of food origins. Some foods have always been common in every continent, such as many seafood and plants. Examples of these are honey, ants, mussels, crabs and coconuts. Nikolai Vavilov initially identified the centers of origin for eight crop plants, subdividing them further into twelve groups in 1935. [ 1]

  3. Food - Wikipedia

    en.wikipedia.org/wiki/Food

    Food is any substance consumed by an organism for nutritional support. Food is usually of plant, animal, or fungal origin and contains essential nutrients such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate ...

  4. Evolution of photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_photosynthesis

    The first photosynthetic organisms probably evolved early in the evolutionary history of life and most likely used reducing agents such as hydrogen rather than water. [2] There are three major metabolic pathways by which photosynthesis is carried out: C 3 photosynthesis, C 4 photosynthesis, and CAM photosynthesis.

  5. Yeast - Wikipedia

    en.wikipedia.org/wiki/Yeast

    Yeast. Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. [ 1][ 2][ 3] They are estimated to constitute 1% of all described fungal species.

  6. Food history - Wikipedia

    en.wikipedia.org/wiki/Food_history

    Food history. Food history is an interdisciplinary field that examines the history and the cultural, economic, environmental, and sociological impacts of food and human nutrition. It is considered distinct from the more traditional field of culinary history, which focuses on the origin and recreation of specific recipes.

  7. Rice - Wikipedia

    en.wikipedia.org/wiki/Rice

    Rice grains of different varieties at the International Rice Research Institute. Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza sativa (Asian rice)—or, much less commonly, Oryza glaberrima (African rice).

  8. Timeline of food - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_food

    4500-3500 BCE: Earliest clear evidence of olive domestication and olive oil extraction [32] ~4000 BCE: Watermelon, originally domesticated in central Africa, becomes an important crop in northern Africa and southwestern Asia. [33] ~4000 BCE: Agriculture reaches north-eastern Europe. ~4000 BCE: Dairy is documented in the grasslands of the Sahara.

  9. Genetically modified food - Wikipedia

    en.wikipedia.org/wiki/Genetically_modified_food

    Genetically modified foods ( GM foods ), also known as genetically engineered foods ( GE foods ), or bioengineered foods are foods produced from organisms that have had changes introduced into their DNA using various methods of genetic engineering. Genetic engineering techniques allow for the introduction of new traits as well as greater ...