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Accession:CHEBI:90299 term browser browse the term
Definition:A variable mixture of several compounds isolated from lichens, the eight most abundant being alpha-aminoorcein, alpha-hydroxyorcein, beta-aminoorcein, gamma-aminoorcein, beta-hydroxyorcein, gamma-hydroxyorcein, beta-aminoorceimine and beta-aminoorceimine (all are phenoxazine-based). It is used for the demonstration of elastic fibres as well as to stain the rough endoplasmic reticulum of hepatitis B infected liver cells.
Synonyms:related_synonym: C.I. Natural Red 28
 xref: Wikipedia:Orcein

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  CHEBI ontology 19758
    chemical entity 19757
      chemical substance 11503
        mixture 10823
          orcein 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19758
    subatomic particle 19756
      composite particle 19756
        hadron 19756
          baryon 19756
            nucleon 19756
              atomic nucleus 19756
                atom 19756
                  main group element atom 19641
                    main group molecular entity 19641
                      s-block molecular entity 19403
                        hydrogen molecular entity 19392
                          hydrides 18362
                            inorganic hydride 17222
                              pnictogen hydride 17186
                                nitrogen hydride 17020
                                  azane 16711
                                    ammonia 16709
                                      organic amino compound 16708
                                        aromatic amine 13619
                                          alpha-aminoorcein 0
                                            orcein 0
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