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  2. Chemical modification - Wikipedia

    en.wikipedia.org/wiki/Chemical_modification

    Chemical modification is the change of biomolecular structure and function due to the addition or removal of modifying elements. [1] This is usually accomplished via chemical reactions or a series of chemical reactions that may or may not be reversible. Chemical modifications can be done to any of the four major macromolecules (proteins ...

  3. Glycosylation - Wikipedia

    en.wikipedia.org/wiki/Glycosylation

    Glycosylation is the reaction in which a carbohydrate (or ' glycan '), i.e. a glycosyl donor, is attached to a hydroxyl or other functional group of another molecule (a glycosyl acceptor) in order to form a glycoconjugate. In biology (but not always in chemistry), glycosylation usually refers to an enzyme-catalysed reaction, whereas glycation ...

  4. Carbohydrate - Wikipedia

    en.wikipedia.org/wiki/Carbohydrate

    Carbohydrate. Lactose is a disaccharide found in animal milk. It consists of a molecule of D-galactose and a molecule of D-glucose bonded by beta-1-4 glycosidic linkage. A carbohydrate (/ ˌkɑːrboʊˈhaɪdreɪt /) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 ...

  5. Post-translational modification - Wikipedia

    en.wikipedia.org/.../Post-translational_modification

    In molecular biology, post-translational modification (PTM) is the covalent process of changing proteins following protein biosynthesis. PTMs may involve enzymes or occur spontaneously. Proteins are created by ribosomes, which translate mRNA into polypeptide chains, which may then change to form the mature protein product.

  6. Food physical chemistry - Wikipedia

    en.wikipedia.org/wiki/Food_physical_chemistry

    Food physical chemistry is considered to be a branch of Food chemistry [1][2] concerned with the study of both physical and chemical interactions in foods in terms of physical and chemical principles applied to food systems, as well as the applications of physical/chemical techniques and instrumentation for the study of foods. [3][4][5][6] This ...

  7. Glycolysis - Wikipedia

    en.wikipedia.org/wiki/Glycolysis

    Glycolysis is the metabolic pathway that converts glucose (C6H12O6) into pyruvate and, in most organisms, occurs in the liquid part of cells (the cytosol). The free energy released in this process is used to form the high-energy molecules adenosine triphosphate (ATP) and reduced nicotinamide adenine dinucleotide (NADH). [1]

  8. Retrogradation (starch) - Wikipedia

    en.wikipedia.org/wiki/Retrogradation_(starch)

    Retrogradation can expel water from the polymer network. This process is known as syneresis. A small amount of water can be seen on top of the gel. Retrogradation is directly related to the staling or aging of bread. [3] Retrograded starch is less digestible (see resistant starch). Chemical modification of starches can reduce or enhance the ...

  9. Mannose - Wikipedia

    en.wikipedia.org/wiki/Mannose

    Infobox references. Mannose is a sugar monomer of the aldohexose series of carbohydrates. It is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the glycosylation of certain proteins. Several congenital disorders of glycosylation are associated with mutations in enzymes involved in mannose metabolism.

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