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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:alpha-carotene
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Accession:CHEBI:28425 term browser browse the term
Definition:A cyclic carotene with a beta- and an epsilon-ring at opposite ends respectively.
Synonyms:related_synonym: Formula=C40H56;   InChI=1S/C40H56/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38-36(6)24-16-30-40(38,9)10/h11-14,17-23,25-28,37H,15-16,24,29-30H2,1-10H3/b12-11+,19-13+,20-14+,27-25+,28-26+,31-17+,32-18+,33-21+,34-22+;   InChIKey=ANVAOWXLWRTKGA-JLTXGRSLSA-N;   SMILES=CC(\\C=C\\C=C(C)\\C=C\\C1C(C)=CCCC1(C)C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C;   all-trans-alpha-carotene;   beta,epsilon-Carotene
 alt_id: CHEBI:10215;   CHEBI:22447
 xref: Beilstein:2067408;   Beilstein:3227599;   CAS:432-70-2;   HMDB:HMDB0003993;   KEGG:C05433;   KNApSAcK:C00003765;   LIPID_MAPS_instance:LMPR01070258
 xref_mesh: MESH:C041635
 xref: PMID:23620017;   PMID:24169341;   PMID:9408998;   Reaxys:2682045



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alpha-carotene term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mgmt O-6-methylguanine-DNA methyltransferase affects response to substance ISO MGMT gene SNP affects the susceptibility to alpha-carotene CTD PMID:16014702 NCBI chr 1:191,710,980...191,937,760
Ensembl chr 1:191,710,930...191,937,756
JBrowse link
lutein term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Als2 alsin Rho guanine nucleotide exchange factor ALS2 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of ALS2 mRNA; [Cisplatin co-treated with Lutein] results in increased expression of ALS2 mRNA
Lutein results in decreased expression of ALS2 mRNA
CTD PMID:24865317 NCBI chr 9:60,613,182...60,686,394
Ensembl chr 9:60,613,167...60,670,737
JBrowse link
G Apc APC regulator of WNT signaling pathway multiple interactions ISO [Cisplatin co-treated with Lutein] results in increased expression of APC mRNA CTD PMID:24865317 NCBI chr18:25,828,558...25,925,511
Ensembl chr18:25,864,222...25,922,696
JBrowse link
G Aqr aquarius intron-binding spliceosomal factor decreases expression
multiple interactions
ISO Lutein results in decreased expression of AQR mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of AQR mRNA
CTD PMID:24865317 NCBI chr 3:100,874,987...100,945,026
Ensembl chr 3:100,874,987...100,945,044
JBrowse link
G Atr ATR serine/threonine kinase multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of ATR mRNA
Lutein results in decreased expression of ATR mRNA
CTD PMID:24865317 NCBI chr 8:96,426,704...96,524,152
Ensembl chr 8:96,426,724...96,524,136
JBrowse link
G Bax BCL2 associated X, apoptosis regulator increases expression ISO Lutein results in increased expression of BAX protein CTD PMID:17455471 NCBI chr 1:95,940,001...95,945,407
Ensembl chr 1:95,938,808...95,945,368
JBrowse link
G Bcl2 BCL2, apoptosis regulator decreases expression ISO Lutein results in decreased expression of BCL2 protein CTD PMID:17455471 NCBI chr13:22,689,783...22,853,920
Ensembl chr13:22,684,989...22,853,743
Ensembl chr13:22,684,989...22,853,743
JBrowse link
G Bcl2l1 Bcl2-like 1 increases expression ISO Lutein results in increased expression of BCL2L1 protein CTD PMID:10750663 NCBI chr 3:141,253,508...141,304,582
Ensembl chr 3:141,253,523...141,303,479
Ensembl chr 1:141,253,523...141,303,479
JBrowse link
G Bco2 beta-carotene oxygenase 2 increases metabolic processing
multiple interactions
affects metabolic processing
ISO BCO2 protein results in increased metabolism of Lutein
[BCO2 protein affects the metabolism of Lutein] which results in increased abundance of 3'-dehydrolutein; [BCO2 protein results in increased metabolism of Lutein] which results in increased chemical synthesis of apocarotenal metabolite
CTD PMID:21106934 NCBI chr 8:50,882,174...50,907,676
Ensembl chr 8:50,882,181...50,915,467
JBrowse link
G Cat catalase multiple interactions ISO Lutein inhibits the reaction [deoxynivalenol results in increased expression of CAT protein] CTD PMID:20347963 NCBI chr 3:89,842,393...89,874,577
Ensembl chr 3:89,842,399...89,874,478
JBrowse link
G Ccnd1 cyclin D1 decreases expression ISO Lutein results in decreased expression of CCND1 protein CTD PMID:17718427 NCBI chr 1:200,089,002...200,098,524
Ensembl chr 1:200,089,002...200,098,602
JBrowse link
G Ccs copper chaperone for superoxide dismutase increases expression ISO Lutein results in increased expression of CCS mRNA CTD PMID:24865317 NCBI chr 1:202,113,792...202,134,931
Ensembl chr 1:202,113,804...202,134,915
JBrowse link
G Cfd complement factor D decreases expression
decreases secretion
ISO Lutein results in decreased expression of CFD mRNA
Lutein results in decreased secretion of CFD protein
CTD PMID:26504594 NCBI chr 7:9,813,148...9,814,871
Ensembl chr 7:9,813,150...9,815,053
JBrowse link
G Ckb creatine kinase B multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in increased activity of CKB protein] CTD PMID:34435724 NCBI chr 6:130,729,420...130,732,301
Ensembl chr 6:130,729,423...130,732,315
JBrowse link
G Ctsb cathepsin B increases expression
multiple interactions
ISO Lutein results in increased expression of CTSB mRNA
Cisplatin inhibits the reaction [Lutein results in increased expression of CTSB mRNA]
CTD PMID:24865317 NCBI chr15:37,389,636...37,410,508
Ensembl chr15:37,389,629...37,410,500
JBrowse link
G Cyba cytochrome b-245 alpha chain multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of CYBA mRNA
Lutein results in decreased expression of CYBA mRNA
CTD PMID:24865317 NCBI chr19:50,487,598...50,495,669
Ensembl chr19:50,487,597...50,495,721
JBrowse link
G Des desmin multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in decreased expression of DES protein] CTD PMID:34435724 NCBI chr 9:76,850,979...76,858,695
Ensembl chr 9:76,850,982...76,858,699
JBrowse link
G Ercc2 ERCC excision repair 2, TFIIH core complex helicase subunit decreases expression
multiple interactions
ISO Lutein results in decreased expression of ERCC2 mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of ERCC2 mRNA
CTD PMID:24865317 NCBI chr 1:79,033,342...79,047,102
Ensembl chr 1:79,033,326...79,047,102
JBrowse link
G Ercc6 ERCC excision repair 6, chromatin remodeling factor decreases expression ISO Lutein results in decreased expression of ERCC6 mRNA CTD PMID:24865317 NCBI chr16:7,764,983...7,835,587
Ensembl chr16:7,765,013...7,835,587
JBrowse link
G Fmo2 flavin containing dimethylaniline monoxygenase 2 decreases expression ISO Lutein results in decreased expression of FMO2 mRNA CTD PMID:24865317 NCBI chr13:75,221,149...75,244,377
Ensembl chr13:75,224,402...75,244,308
JBrowse link
G Gab1 GRB2-associated binding protein 1 decreases expression
multiple interactions
ISO Lutein results in decreased expression of GAB1 mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of GAB1 mRNA
CTD PMID:24865317 NCBI chr19:27,131,262...27,239,236
Ensembl chr19:27,131,262...27,239,236
JBrowse link
G Gpx1 glutathione peroxidase 1 multiple interactions
increases expression
ISO Cisplatin inhibits the reaction [Lutein results in increased expression of GPX1 mRNA]; Lutein inhibits the reaction [Lipopolysaccharides results in decreased expression of GPX1 mRNA] CTD PMID:22040935 PMID:24865317 NCBI chr 8:109,026,905...109,028,031
Ensembl chr 8:109,026,905...109,028,024
JBrowse link
G Gpx2 glutathione peroxidase 2 multiple interactions ISO [Lutein co-treated with Cisplatin] results in increased expression of GPX2 mRNA CTD PMID:24865317 NCBI chr 6:95,493,589...95,496,877
Ensembl chr 6:95,493,589...95,496,877
JBrowse link
G Gpx3 glutathione peroxidase 3 multiple interactions ISO [Cisplatin co-treated with Lutein] results in decreased expression of GPX3 mRNA CTD PMID:24865317 NCBI chr10:39,028,624...39,036,695
Ensembl chr10:39,028,570...39,037,035
JBrowse link
G Gsr glutathione-disulfide reductase increases expression
multiple interactions
ISO Lutein results in increased expression of GSR mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of GSR mRNA
CTD PMID:24865317 NCBI chr16:58,482,209...58,525,256
Ensembl chr16:58,482,505...58,525,661
JBrowse link
G Gstk1 glutathione S-transferase kappa 1 multiple interactions ISO [Cisplatin co-treated with Lutein] results in decreased expression of GSTK1 mRNA CTD PMID:24865317 NCBI chr 4:71,118,979...71,123,298
Ensembl chr 4:71,118,896...71,123,292
JBrowse link
G Hmox1 heme oxygenase 1 multiple interactions
increases expression
ISO arsenic trioxide promotes the reaction [Lutein results in increased expression of HMOX1 mRNA]; arsenic trioxide promotes the reaction [Lutein results in increased expression of HMOX1 protein]; Lutein promotes the reaction [arsenic trioxide results in increased expression of HMOX1 mRNA]; Lutein promotes the reaction [arsenic trioxide results in increased expression of HMOX1 protein]
Lutein results in increased expression of HMOX1 mRNA; Lutein results in increased expression of HMOX1 protein
CTD PMID:25815309 PMID:26187899 NCBI chr19:13,466,287...13,474,082
Ensembl chr19:13,467,244...13,474,079
JBrowse link
G Idh1 isocitrate dehydrogenase (NADP(+)) 1 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of IDH1 mRNA
Lutein results in decreased expression of IDH1 mRNA
CTD PMID:24865317 NCBI chr 9:66,534,146...66,563,703
Ensembl chr 9:66,534,146...66,563,708
JBrowse link
G Ift172 intraflagellar transport 172 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of IFT172 mRNA
Lutein results in decreased expression of IFT172 mRNA
CTD PMID:24865317 NCBI chr 6:25,081,933...25,121,271
Ensembl chr 6:25,081,980...25,120,860
JBrowse link
G Ins1 insulin 1 multiple interactions
decreases expression
EXP [Lutein co-treated with alpha-Tocopherol] results in decreased expression of INS1 protein; [Lutein co-treated with Ascorbic Acid] results in decreased expression of INS1 protein
Lutein results in decreased expression of INS1 protein
CTD PMID:12949374 NCBI chr 1:251,244,973...251,245,540
Ensembl chr 1:251,244,973...251,245,536
JBrowse link
G Kif9 kinesin family member 9 multiple interactions
increases expression
ISO Lutein promotes the reaction [Cisplatin results in decreased expression of KIF9 mRNA]
Lutein results in increased expression of KIF9 mRNA
CTD PMID:24865317 NCBI chr 8:110,459,467...110,504,492
Ensembl chr 8:110,459,383...110,505,252
JBrowse link
G Mb myoglobin increases expression ISO Lutein results in increased expression of MB mRNA CTD PMID:24865317 NCBI chr 7:108,759,903...108,767,134
Ensembl chr 7:108,759,904...108,767,383
JBrowse link
G Mgst1 microsomal glutathione S-transferase 1 multiple interactions
increases expression
ISO arsenic trioxide promotes the reaction [Lutein results in increased expression of MGST1 mRNA]; Lutein promotes the reaction [arsenic trioxide results in increased expression of MGST1 mRNA] CTD PMID:25815309 PMID:26187899 NCBI chr 4:171,029,666...171,044,893
Ensembl chr 4:171,029,630...171,044,892
JBrowse link
G Miat myocardial infarction associated transcript multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in increased expression of MIAT] CTD PMID:34435724 NCBI chr12:44,414,620...44,429,852 JBrowse link
G Mir200a microRNA 200a multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in decreased expression of MIR200A mRNA] CTD PMID:34435724 NCBI chr 5:166,648,494...166,648,582 JBrowse link
G Nfe2l2 NFE2 like bZIP transcription factor 2 multiple interactions
increases expression
ISO
EXP
arsenic trioxide promotes the reaction [Lutein results in increased expression of NFE2L2 mRNA]; arsenic trioxide promotes the reaction [Lutein results in increased expression of NFE2L2 protein]; Lutein promotes the reaction [arsenic trioxide results in increased expression of NFE2L2 mRNA]; Lutein promotes the reaction [arsenic trioxide results in increased expression of NFE2L2 protein]; Lutein results in increased expression of and affects the localization of NFE2L2 protein
Lutein results in increased expression of NFE2L2 mRNA; Lutein results in increased expression of NFE2L2 protein
Lutein inhibits the reaction [Isoproterenol results in decreased expression of NFE2L2 protein]
CTD PMID:25815309 PMID:26187899 PMID:34435724 NCBI chr 3:60,594,239...60,621,712
Ensembl chr 3:60,594,242...60,621,737
JBrowse link
G Ngb neuroglobin increases expression ISO Lutein results in increased expression of NGB mRNA CTD PMID:24865317 NCBI chr 6:106,744,378...106,749,830
Ensembl chr 6:106,744,378...106,749,830
JBrowse link
G Nox4 NADPH oxidase 4 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of NOX4 mRNA
Lutein results in decreased expression of NOX4 mRNA
CTD PMID:24865317 NCBI chr 1:140,900,886...141,078,844
Ensembl chr 1:140,901,097...141,077,406
JBrowse link
G Noxo1 NADPH oxidase organizer 1 multiple interactions ISO [Cisplatin co-treated with Lutein] results in decreased expression of NOXO1 mRNA CTD PMID:24865317 NCBI chr10:13,723,253...13,726,008
Ensembl chr10:13,721,473...13,726,061
JBrowse link
G Nqo1 NAD(P)H quinone dehydrogenase 1 multiple interactions
increases expression
ISO [Cisplatin co-treated with Lutein] results in increased expression of NQO1 mRNA; arsenic trioxide promotes the reaction [Lutein results in increased expression of NQO1 mRNA]; arsenic trioxide promotes the reaction [Lutein results in increased expression of NQO1 protein]; Lutein promotes the reaction [arsenic trioxide results in increased expression of NQO1 mRNA]; Lutein promotes the reaction [arsenic trioxide results in increased expression of NQO1 protein]
Lutein results in increased expression of NQO1 mRNA; Lutein results in increased expression of NQO1 protein
CTD PMID:24865317 PMID:25815309 PMID:26187899 NCBI chr19:35,295,633...35,310,528
Ensembl chr19:35,295,573...35,310,557
JBrowse link
G Nudt15 nudix hydrolase 15 decreases expression
multiple interactions
ISO Lutein results in decreased expression of NUDT15 mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of NUDT15 mRNA
CTD PMID:24865317 NCBI chr15:48,707,776...48,713,847
Ensembl chr15:48,709,700...48,747,363
JBrowse link
G Nxn nucleoredoxin increases expression
multiple interactions
ISO Lutein results in increased expression of NXN mRNA
Lutein inhibits the reaction [Cisplatin results in increased expression of NXN mRNA]
CTD PMID:24865317 NCBI chr10:61,109,322...61,247,578
Ensembl chr10:61,110,020...61,248,251
JBrowse link
G Park7 Parkinsonism associated deglycase multiple interactions ISO [Cisplatin co-treated with Lutein] results in decreased expression of PARK7 mRNA CTD PMID:24865317 NCBI chr 5:161,353,718...161,376,993
Ensembl chr 5:161,353,719...161,376,970
JBrowse link
G Ppp1r15b protein phosphatase 1, regulatory subunit 15B multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of PPP1R15B mRNA
Lutein results in decreased expression of PPP1R15B mRNA
CTD PMID:24865317 NCBI chr13:44,577,840...44,585,737
Ensembl chr13:44,577,932...44,585,737
JBrowse link
G Prdx4 peroxiredoxin 4 increases expression ISO Lutein results in increased expression of PRDX4 mRNA CTD PMID:24865317 NCBI chr  X:40,026,762...40,044,066
Ensembl chr  X:40,026,651...40,044,066
JBrowse link
G Prdx5 peroxiredoxin 5 decreases expression ISO Lutein results in decreased expression of PRDX5 mRNA CTD PMID:24865317 NCBI chr 1:204,099,826...204,103,589
Ensembl chr 1:204,099,826...204,114,268
JBrowse link
G Prdx6 peroxiredoxin 6 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of PRDX6 mRNA
Lutein results in decreased expression of PRDX6 mRNA
CTD PMID:24865317 NCBI chr13:73,528,746...73,539,295
Ensembl chr13:73,528,210...73,539,355
JBrowse link
G Ptgs1 prostaglandin-endoperoxide synthase 1 multiple interactions ISO [Cisplatin co-treated with Lutein] results in decreased expression of PTGS1 mRNA CTD PMID:24865317 NCBI chr 3:19,584,015...19,605,589
Ensembl chr 3:19,584,015...19,605,586
JBrowse link
G Ptgs2 prostaglandin-endoperoxide synthase 2 multiple interactions ISO Lutein inhibits the reaction [deoxynivalenol results in increased expression of PTGS2 protein] CTD PMID:20347963 NCBI chr13:62,163,936...62,172,193
Ensembl chr13:62,163,932...62,172,188
JBrowse link
G Rela RELA proto-oncogene, NF-kB subunit multiple interactions ISO Lutein inhibits the reaction [deoxynivalenol affects the localization of RELA protein]; Lutein inhibits the reaction [deoxynivalenol results in increased expression of RELA protein] CTD PMID:20347963 NCBI chr 1:202,925,001...202,935,484
Ensembl chr 1:202,924,945...202,935,484
JBrowse link
G Scd stearoyl-CoA desaturase multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of SCD1 mRNA
Lutein results in decreased expression of SCD1 mRNA
CTD PMID:24865317 NCBI chr 1:243,269,745...243,282,878
Ensembl chr 1:243,269,747...243,282,562
JBrowse link
G Sod1 superoxide dismutase 1 multiple interactions
increases expression
ISO Lutein inhibits the reaction [Lipopolysaccharides results in decreased expression of SOD1 mRNA]
Lutein results in increased expression of SOD1 mRNA
CTD PMID:22040935 PMID:24865317 NCBI chr11:29,456,673...29,462,249
Ensembl chr11:29,456,558...29,462,249
JBrowse link
G Sod2 superoxide dismutase 2 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of SOD2 mRNA; Lutein inhibits the reaction [Lipopolysaccharides results in decreased expression of SOD2 mRNA]
Lutein results in decreased expression of SOD2 mRNA
CTD PMID:22040935 PMID:24865317 NCBI chr 1:47,638,318...47,645,163
Ensembl chr 1:47,636,528...47,645,189
JBrowse link
G Sod3 superoxide dismutase 3 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of SOD3 mRNA
Lutein results in decreased expression of SOD3 mRNA
CTD PMID:24865317 NCBI chr14:58,610,104...58,615,845
Ensembl chr14:58,609,958...58,615,990
JBrowse link
G Srxn1 sulfiredoxin 1 multiple interactions
decreases expression
ISO [Cisplatin co-treated with Lutein] results in decreased expression of SRXN1 mRNA
Lutein results in decreased expression of SRXN1 mRNA
CTD PMID:24865317 NCBI chr 3:140,604,490...140,610,050
Ensembl chr 3:140,599,608...140,628,448
JBrowse link
G Tnnt2 troponin T2, cardiac type multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in decreased expression of TNNT2 protein] CTD PMID:34435724 NCBI chr13:47,267,325...47,285,390
Ensembl chr13:47,267,204...47,285,388
JBrowse link
G Txn1 thioredoxin 1 multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in decreased expression of TXN protein] CTD PMID:34435724 NCBI chr 5:72,712,334...72,724,564
Ensembl chr 5:72,711,933...72,724,629
JBrowse link
G Txnip thioredoxin interacting protein multiple interactions EXP Lutein inhibits the reaction [Isoproterenol results in increased expression of TXNIP protein] CTD PMID:34435724 NCBI chr 2:184,093,079...184,096,882
Ensembl chr 2:184,092,991...184,096,886
JBrowse link
G Txnrd1 thioredoxin reductase 1 decreases expression
multiple interactions
ISO Lutein results in decreased expression of TXNRD1 mRNA
[Cisplatin co-treated with Lutein] results in decreased expression of TXNRD1 mRNA
CTD PMID:24865317 NCBI chr 7:20,830,042...20,914,990
Ensembl chr 7:20,830,045...20,907,863
JBrowse link
G Ucp3 uncoupling protein 3 increases expression ISO Lutein results in increased expression of UCP3 mRNA CTD PMID:24865317 NCBI chr 1:154,815,777...154,828,764
Ensembl chr 1:154,815,777...154,828,762
JBrowse link
G Vim vimentin increases expression ISO Lutein results in increased expression of VIM mRNA CTD PMID:24865317 NCBI chr17:76,668,701...76,677,186
Ensembl chr17:76,668,647...76,677,187
JBrowse link
G Xirp1 xin actin-binding repeat containing 1 increases expression ISO Lutein results in increased expression of XIRP1 mRNA CTD PMID:24865317 NCBI chr 8:119,744,778...119,757,547
Ensembl chr 8:119,747,419...119,757,349
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19880
    role 19850
      biological role 19848
        provitamin 278
          provitamin A 275
            alpha-carotene 62
              (6'R)-beta,epsilon-carotene + 61
              (6'S)-beta,epsilon-carotene 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19880
    subatomic particle 19878
      composite particle 19878
        hadron 19878
          baryon 19878
            nucleon 19878
              atomic nucleus 19878
                atom 19878
                  main group element atom 19817
                    main group molecular entity 19817
                      s-block molecular entity 19653
                        hydrogen molecular entity 19634
                          hydrides 19144
                            organic hydride 18691
                              organic fundamental parent 18691
                                hydrocarbon 18442
                                  terpene 14066
                                    tetraterpene 599
                                      carotene 599
                                        carotenoid 599
                                          carotenoid beta-end derivative 275
                                            alpha-carotene 62
                                              (6'R)-beta,epsilon-carotene + 61
                                              (6'S)-beta,epsilon-carotene 0
paths to the root