Limonin

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Limonin
Limonin.svg
Ball-and-stick model of limonin
Names
IUPAC name
7,16-Dioxo-7,16-dideoxylimondiol
Other names
limonoate D-ring-lactone,
limonoic acid di-delta-lactone
Identifiers
1180-71-8 N
ChEBI CHEBI:16226 YesY
ChEMBL ChEMBL517449 N
ChemSpider 156367 YesY
Jmol 3D model Interactive image
PubChem 179651
  • InChI=1S/C26H30O8/c1-22(2)15-9-16(27)24(4)14(25(15)12-31-18(28)10-17(25)33-22)5-7-23(3)19(13-6-8-30-11-13)32-21(29)20-26(23,24)34-20/h6,8,11,14-15,17,19-20H,5,7,9-10,12H2,1-4H3/t14-,15-,17-,19-,20+,23-,24-,25+,26+/m0/s1 YesY
    Key: KBDSLGBFQAGHBE-MSGMIQHVSA-N YesY
  • InChI=1/C26H30O8/c1-22(2)15-9-16(27)24(4)14(25(15)12-31-18(28)10-17(25)33-22)5-7-23(3)19(13-6-8-30-11-13)32-21(29)20-26(23,24)34-20/h6,8,11,14-15,17,19-20H,5,7,9-10,12H2,1-4H3/t14-,15-,17-,19-,20+,23-,24-,25+,26+/m0/s1
    Key: KBDSLGBFQAGHBE-MSGMIQHVBF
  • O=C4[C@@]6(C)[C@@]72O[C@@H]7C(=O)O[C@@H](c1ccoc1)[C@]2(C)CC[C@@H]6[C@]35COC(=O)C[C@@H]5OC([C@@H]3C4)(C)C
Properties
C26H30O8
Molar mass 470.52 g/mol
Vapor pressure {{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

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Not to be confused with Limonene.

Limonin is a limonoid, and a bitter, white, crystalline substance found in citrus and other plants. It is also known as limonoate D-ring-lactone and limonoic acid di-delta-lactone. Chemically, it is a member of the class of compounds known as furanolactones.

Sources

Limonin is enriched in citrus fruits and is often found at higher concentrations in seeds, for example orange and lemon seeds. Limonin is also present in plants such as those of the Dictamnus genus.[1]

Presence in citrus products

Limonin and other limonoid compounds contribute to the bitter taste of some citrus food products. Researchers have proposed removal of limonoids from orange juice and other products (known as "debittering") through the use of polymeric films.[2]

Bioactivity and research

Ongoing research programs are examining the effects of limonin in human diseases. Citrus seed extracts reportedly have antiviral properties, inhibiting replication of retroviruses like HIV-1 and HTLV-I.[3] Neuroprotective effects of limonin have also been described.[1] Limonin reduces proliferation of colon cancer cells[4] and has been tested as an anti-obesity agent in mice.[5]

References

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External links

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