释义 |
DictionarySeefoodBioengineered Food Any food genetically modified to resist or tolerate pesiticides, insects, or viruses, or to decrease spoilage, produce antibodies, decrease fatty acid synthesis, or increase production of certain amino acidsfoodAny material, including water, that provides the nutritive requirements of an organism to maintain growth and physical well-being. For humans, food includes carbohydrates, fats, proteins, vitamins, and minerals. See: carbohydrate; digestion; fat(2); nutrition; protein; stomachbioengineered foodGenetically modified food.food chain See: chaincontamination of foodThe presence, introduction, or development of infectious or toxic material in food. Food may be contaminated by chemical residues (such as pesticides), bacteria (Salmonella, Escherichia coli, Listeria), viruses (hepatitis A, Norwalk), protozoa (Giardia), worms (tapeworms and roundworms), molds (Aspergillus), or toxins (botulinum, staphylococcal enterotoxin). convenience foodFood in which one or more steps in preparation have been completed before the product is offered for retail sale. Examples include frozen vegetables, bake mixes, heat-and-serve foods, and ready-to-eat foods. dietetic foodFood in which the nutrient content has been modified for use in special diets, esp. for diabetics.enriched foodA processed food that has lost nutrients during milling, grinding, pasteurization, or other processes and then had those nutrients added back to the marketed product. Two examples of vitamins commonly used in food enrichment are vitamins B1 and B2, thiamine and riboflavin, respectively. fast foodCommercially available, ready-to-eat meals (such as hamburgers, hot dogs, pizza, fried chicken, or french fries) with a high fat content, little fiber, and minimal quantities of vitamins or calcium.functional food1. Food products with additives for which, following FDA approval, health claims can be made. 2. A food that has a defined health benefit for the person who consumes it. genetically modified foodAny crop or agricultural product altered by biological engineering for drought resistance, increased growth, resistance to pests or pesticides, prolonged shelf-life, altered textures or flavors, or other economically or commercially desirable characteristics. Promoters of genetically modified foods point to their improved yields (which may have a beneficial impact on agricultural profits or world hunger). Opponents of genetic modification have raised concerns about its effects on ecosystems, human food allergies, and religious dietary laws. Synonym: bioengineered foodjunk foodA colloquial term for food that has limited nutritional value. Typically it refers to foods high in salt, sugar, fat, or calories with low nutrient content. These include most salted snack foods, candy, gum, most sweet desserts, fried fast food, and carbonated beverages. medical foodA food formulated by the selective use of nutrients and manufactured for the dietary treatment of a specific condition or disease.novel foodA nutritional source that has not been used in the past or one that has been made by a new manufacturing process, including, e.g., genetic modification.organic foodA crop or animal product cultivated with specific guidelines that limit the use of petrochemicals, radiation, or genetically engineered technologies in its agriculture.processed foodRaw food that has been adulterated or modified to increase its nutritional content or make it more palatable and easier to ship, to store, or to sell.ready-to-use therapeutic food Abbreviation: RUTF A nutritional supplement consisting of a roasted, ground cereal and a roasted, ground legume, fortified with vitamins, minerals, and micronutrients. The cereal provides a source of carbohydrates; the legume, a source of protein. RUTFs are used to treat and prevent malnutrition in impoverished populations, esp. undernourished children. risky foodAny food that is contaminated or more likely than most other foods to be contaminated with bacteria, carcinogens, or toxins.textured foodFood products manufactured from various nutritional components made to resemble conventional protein-source foods in texture such as meat, seafood, or poultry. |