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  2. A-DNA - Wikipedia

    en.wikipedia.org/wiki/A-DNA

    These A-B intermediate forms adopt the sugar pucker properties and/or the base conformation of both DNA forms. In one study, the characteristic C3'-endo pucker is found on the first three sugars of the DNA strand, while the last three sugars have a C2'-endo pucker, like B-DNA. [2]

  3. Nucleic acid structure - Wikipedia

    en.wikipedia.org/wiki/Nucleic_acid_structure

    Its favored conformation is at low water concentrations. A-DNAs base pairs are tilted relative to the helix axis, and are displaced from the axis. The sugar pucker occurs at the C3'-endo and in RNA 2'-OH inhibits C2'-endo conformation. [13] Long considered little more than a laboratory artifice, A-DNA is now known to have several biological ...

  4. Nutrition facts label - Wikipedia

    en.wikipedia.org/wiki/Nutrition_facts_label

    A sample nutrition facts label, with instructions from the U.S. Food and Drug Administration [1] Nutrition facts placement for two Indonesian cartons of milk The nutrition facts label (also known as the nutrition information panel, and other slight variations [which?]) is a label required on most packaged food in many countries, showing what nutrients and other ingredients (to limit and get ...

  5. List of nutrition guides - Wikipedia

    en.wikipedia.org/wiki/List_of_nutrition_guides

    A nutrition guide is a reference that provides nutrition advice for general health, typically by dividing foods into food groups and recommending servings of each group. Nutrition guides can be presented in written or visual form, and are commonly published by government agencies, health associations and university health departments.

  6. Food composition data - Wikipedia

    en.wikipedia.org/wiki/Food_composition_data

    To this day, food composition studies remain central to nutrition research into the role of food components and their interactions in health and disease. However, due to increasing levels of sophistication and complexity in nutrition science, there is a greater demand for complete, current and reliable FCD, together with information on a wider ...

  7. Nutritional rating systems - Wikipedia

    en.wikipedia.org/wiki/Nutritional_rating_systems

    Nutritional rating systems are used to communicate the nutritional value of food in a more-simplified manner, with a ranking (or rating), than nutrition facts labels. A system may be targeted at a specific audience. Rating systems have been developed by governments, non-profit organizations, private institutions, and companies.

  8. Food labelling in Canada - Wikipedia

    en.wikipedia.org/wiki/Food_labelling_in_Canada

    All labelling information that is provided on food labels or in advertisements, as required by legislation, must be accurate, truthful and not misleading. Ingredient lists must accurately reflect the contents and their relative proportions in a food. Nutrition facts tables must accurately reflect the amount of a nutrient present in a food.

  9. Guideline Daily Amount - Wikipedia

    en.wikipedia.org/wiki/Guideline_Daily_Amount

    The GDA labels have the percentage of daily value per serving and the absolute amount per serving of these categories. The front-of-packages (FOP) GDAs must at least have calories listed, but the back-of-package (BOP) GDAs must list, at a minimum, these five key nutrients: Energy, Fat, Saturates, Sugar and Salt. [ 2 ]