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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 19921
        chemical entity 19919
          atom 19919
            nonmetal atom 19856
              oxygen atom 19589
                oxygen molecular entity 19589
                  organooxygen compound 19206
                    carbohydrates and carbohydrate derivatives 14960
                      carbohydrate 14960
                        D-apiofuranose + 0
                        alditol + 1919
                        apulose + 0
                        carbohydrate acid + 922
                        carbohydrate derivative + 14229
                        deoxy sugar + 146
                        monosaccharide + 4415
                        nucleoside + 5505
                        oligosaccharide + 612
                        polygalacturonide + 0
                        polysaccharide + 8200
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19921
        subatomic particle 19919
          composite particle 19919
            hadron 19919
              baryon 19919
                nucleon 19919
                  atomic nucleus 19919
                    atom 19919
                      main group element atom 19867
                        p-block element atom 19867
                          carbon group element atom 19812
                            carbon atom 19807
                              organic molecular entity 19807
                                heteroorganic entity 19547
                                  organochalcogen compound 19296
                                    organooxygen compound 19206
                                      carbohydrates and carbohydrate derivatives 14960
                                        carbohydrate 14960
                                          D-apiofuranose + 0
                                          alditol + 1919
                                          apulose + 0
                                          carbohydrate acid + 922
                                          carbohydrate derivative + 14229
                                          deoxy sugar + 146
                                          monosaccharide + 4415
                                          nucleoside + 5505
                                          oligosaccharide + 612
                                          polygalacturonide + 0
                                          polysaccharide + 8200
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