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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
Term:carbohydrate
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Accession:CHEBI:16646 term browser browse the term
Definition:Any member of the class of organooxygen compounds that is a polyhydroxy-aldehyde or -ketone or a lactol resulting from their intramolecular condensation (monosaccharides); substances derived from these by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom; and polymeric products arising by intermolecular acetal formation between two or more such molecules (disaccharides, polysaccharides and oligosaccharides). Carbohydrates contain only carbon, hydrogen and oxygen atoms; prior to any oxidation or reduction, most have the empirical formula Cm(H2O)n. Compounds obtained from carbohydrates by substitution, etc., are known as carbohydrate derivatives and may contain other elements. Cyclitols are generally not regarded as carbohydrates.
Synonyms:exact_synonym: carbohydrates
 related_synonym: Kohlenhydrat;   Kohlenhydrate;   a carbohydrate;   carbohidrato;   carbohidratos;   glucide;   glucides;   glucido;   glucidos;   hydrates de carbone;   saccharide;   saccharides;   saccharidum
 alt_id: CHEBI:15131;   CHEBI:23008;   CHEBI:9318
 xref: Wikipedia:Carbohydrate


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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19911
        chemical entity 19909
          atom 19909
            nonmetal atom 19832
              oxygen atom 19570
                oxygen molecular entity 19570
                  organooxygen compound 19193
                    carbohydrates and carbohydrate derivatives 15275
                      carbohydrate 15302
                        D-apiofuranose + 0
                        alditol + 3298
                        apulose + 0
                        carbohydrate acid + 938
                        carbohydrate derivative + 14313
                        deoxy sugar + 149
                        monosaccharide + 4878
                        nucleoside + 5734
                        oligosaccharide + 625
                        polygalacturonide + 0
                        polysaccharide + 8219
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19911
        subatomic particle 19909
          composite particle 19909
            hadron 19880
              baryon 19880
                nucleon 19909
                  atomic nucleus 19880
                    atom 19909
                      main group element atom 19849
                        p-block element atom 19849
                          carbon group element atom 19766
                            carbon atom 19785
                              organic molecular entity 19785
                                heteroorganic entity 19541
                                  organochalcogen compound 19301
                                    organooxygen compound 19193
                                      carbohydrates and carbohydrate derivatives 15275
                                        carbohydrate 15302
                                          D-apiofuranose + 0
                                          alditol + 3298
                                          apulose + 0
                                          carbohydrate acid + 938
                                          carbohydrate derivative + 14313
                                          deoxy sugar + 149
                                          monosaccharide + 4878
                                          nucleoside + 5734
                                          oligosaccharide + 625
                                          polygalacturonide + 0
                                          polysaccharide + 8219
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