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Crocin

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This article is about a naturally occurring compound. For the Indian brand of painkiller of the same name, see paracetamol.
Crocin
Names
IUPAC name
Bis[β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl] 8,8′-diapocarotene-8,8′-dioate
Systematic IUPAC name
Bis[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)oxan-2-yl] (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,14-heptaenedioate
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.050.783 Edit this at Wikidata
UNII
  • InChI=1S/C44H64O24/c1-19(11-7-13-21(3)39(59)67-43-37(57)33(53)29(49)25(65-43)17-61-41-35(55)31(51)27(47)23(15-45)63-41)9-5-6-10-20(2)12-8-14-22(4)40(60)68-44-38(58)34(54)30(50)26(66-44)18-62-42-36(56)32(52)28(48)24(16-46)64-42/h5-14,23-38,41-58H,15-18H2,1-4H3/b6-5+,11-7+,12-8+,19-9+,20-10+,21-13+,22-14+/t23-,24-,25-,26-,27-,28-,29-,30-,31+,32+,33+,34+,35-,36-,37-,38-,41-,42-,43+,44+/m1/s1
    Key: SEBIKDIMAPSUBY-RTJKDTQDSA-N
  • InChI=1/C44H64O24/c1-19(11-7-13-21(3)39(59)67-43-37(57)33(53)29(49)25(65-43)17-61-41-35(55)31(51)27(47)23(15-45)63-41)9-5-6-10-20(2)12-8-14-22(4)40(60)68-44-38(58)34(54)30(50)26(66-44)18-62-42-36(56)32(52)28(48)24(16-46)64-42/h5-14,23-38,41-58H,15-18H2,1-4H3/b6-5+,11-7+,12-8+,19-9+,20-10+,21-13+,22-14+/t23-,24-,25-,26-,27-,28-,29-,30-,31+,32+,33+,34+,35-,36-,37-,38-,41-,42-,43+,44+/m1/s1
    Key: SEBIKDIMAPSUBY-RTJKDTQDBE
  • O=C(O[C@@H]1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)CO[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)\C(=C\C=C\C(=C\C=C\C=C(\C=C\C=C(\C(=O)O[C@@H]4O[C@H](CO[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)[C@@H](O)[C@H](O)[C@H]4O)C)C)C)C
Properties
C44H64O24
Molar mass 976.972 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Crocin is a carotenoid chemical compound that is found in the flowers of crocus and gardenia.[1] Its oxygen content also chemically makes it a xanthene. Crocin is the chemical primarily responsible for the color of saffron.

Chemically, crocin is the diester formed from the disaccharide gentiobiose and the dicarboxylic acid crocetin. When isolated as a pure chemical compound, it has a deep red color and forms crystals with a melting point of 186 °C. When dissolved in water, it forms an orange solution.

The term crocins may also refer to members of a series of related hydrophilic carotenoids that are either monoglycosyl or diglycosyl polyene esters of crocetin.[2] The crocin underlying saffron's aroma is α-crocin (a carotenoid pigment that may compose more than 10% of dry saffron's mass): trans-crocetin di-(β-D-gentiobiosyl) ester; it bears the systematic (IUPAC) name 8,8-diapo-8,8-carotenoic acid.[2]: 20 

The major active component of saffron is the yellow pigment crocin 2 (three other derivatives with different glycosylations are known) containing a gentiobiose (disaccharide) group at each end of the molecule. The five major biologically active components of saffron, namely the four crocins and crocetin, can be measured with HPLC-UV.[3]

Research

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Absorption

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Crocin ingested orally is hydrolised to crocetin in the gut which is absorbed across the intestinal barrier, and that crocetin can permeate the blood–brain barrier.[4][5]

Antioxidant

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Crocin has been shown to be an antioxidant,[6][7] and neural protective agent.[8][9] Crocin can reduce oxidative stress and ROS (Reactive Oxygen Species) through enhancement of gene expression of Nrf2, HO-1, and anti-oxidant enzymes, such as CAT, GSH, and SOD.[10][2][7]

Neuroprotective

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Crocin and its derivative crocetin may counteract oxidative stress, mitochondrial dysfunction and neuroinflammation, which are closely linked to initiation and progression of major brain pathologies such as Alzheimer's and Parkinson's disease.[11]

In an animal model of malathion-induced Parkinson's disease, crocin reduced the neurotoxic effect of malathion by its anti-apoptotic activity and it regulated the expression of proteins involved in Parkinson's disease pathogenesis.[12]

Crocins can suppress the active forms of GSK3β and ERK1/2 kinases, significantly reducing tau phosphorylation, thus suppressing key molecular pathways of Alzheimer's disease pathogenesis.[13]

Mood

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Crocin displays possible antidepressant properties in mice[14] and humans.[15][16][17]

Cancer

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Crocin has also shown antiproliferative action against cancer cells in vitro.[18][19][20] and in vivo .[21]

Crocin through the PI3K/AKT/mTOR, MAPK, VEGF, Wnt/β-catenin, and JAK-STAT suppression has antiproliferative properties. Also, the Nrf2 and p53 signaling pathway activation may be effective in the antiproliferative effect of crocin.[22]

Behavior

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Aphrodisiac properties of crocin in male rats has been observed at very high doses.[23]

Retinal diseases

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Emerging evidence highlights the cytoprotective, antioxidative, and anti-inflammatory potential of crocin in retinal tissue, which positions it as a promising candidate for enhancing vision and eye health.[24] Nevertheless, it's important to note that the majority of research has primarily focused on animal models, and there remains a shortage of robust clinical data to firmly establish the benefits of crocin in addressing eye health and related diseases.[25]

References

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  1. ^ "Chemical Information". sun.ars-grin.gov. Archived from the original on 2004-11-08. Retrieved 2008-03-02.
  2. ^ a b c Abdullaev FI (January 2002). "Cancer chemopreventive and tumoricidal properties of saffron (Crocus sativus L.)". Experimental Biology and Medicine. 227 (1): 20–25. doi:10.1177/153537020222700104. PMID 11788779. S2CID 40798771.
  3. ^ Li N, Lin G, Kwan YW, Min ZD (July 1999). "Simultaneous quantification of five major biologically active ingredients of saffron by high-performance liquid chromatography". Journal of Chromatography A. 849 (2): 349–355. doi:10.1016/S0021-9673(99)00600-7. PMID 10457433.
  4. ^ Popović-Djordjević JB, Stanković JS, Mihailović V, Akram M (2021-01-01). "Chapter 1 - Biochemistry and metabolism∗". In Galanakis CM (ed.). Chapter 1 - Biochemistry and metabolism. Academic Press. pp. 1–40. doi:10.1016/b978-0-12-821219-6.00001-4. ISBN 978-0-12-821219-6. S2CID 228897923. Retrieved 2022-08-20. {{cite book}}: |journal= ignored (help)
  5. ^ Lautenschläger M, Sendker J, Hüwel S, Galla HJ, Brandt S, Düfer M, et al. (January 2015). "Intestinal formation of trans-crocetin from saffron extract (Crocus sativus L.) and in vitro permeation through intestinal and blood brain barrier". Phytomedicine. 22 (1): 36–44. doi:10.1016/j.phymed.2014.10.009. PMID 25636868.
  6. ^ Papandreou MA, Kanakis CD, Polissiou MG, Efthimiopoulos S, Cordopatis P, Margarity M, Lamari FN (November 2006). "Inhibitory activity on amyloid-beta aggregation and antioxidant properties of Crocus sativus stigmas extract and its crocin constituents". Journal of Agricultural and Food Chemistry. 54 (23): 8762–8768. doi:10.1021/jf061932a. PMID 17090119.
  7. ^ a b Akhtari K; Hassanzadeh K; Fakhraei B; Fakhraei N; Hassanzadeh H; Zarei S A (2013). "A density functional theory study of the reactivity descriptors and antioxidant behavior of Crocin". Computational and Theoretical Chemistry. 1013: 123–129. doi:10.1016/j.comptc.2013.03.015.
  8. ^ Ochiai T, Shimeno H, Mishima K, Iwasaki K, Fujiwara M, Tanaka H, et al. (April 2007). "Protective effects of carotenoids from saffron on neuronal injury in vitro and in vivo". Biochimica et Biophysica Acta (BBA) - General Subjects. 1770 (4): 578–584. doi:10.1016/j.bbagen.2006.11.012. PMID 17215084.
  9. ^ Zheng YQ, Liu JX, Wang JN, Xu L (March 2007). "Effects of crocin on reperfusion-induced oxidative/nitrative injury to cerebral microvessels after global cerebral ischemia". Brain Research. 1138: 86–94. doi:10.1016/j.brainres.2006.12.064. PMID 17274961. S2CID 25495517.
  10. ^ Khoshandam A, Razavi BM, Hosseinzadeh H (July 2022). "Interaction of saffron and its constituents with Nrf2 signaling pathway: A review". Iranian Journal of Basic Medical Sciences. 25 (7): 789–798. doi:10.22038/ijbms.2022.61986.13719. ISSN 2008-3866. PMC 9392575. PMID 36033950.
  11. ^ Scuto M, Modafferi S, Rampulla F, Zimbone V, Tomasello M, Spano' S, et al. (July 2022). "Redox modulation of stress resilience by Crocus sativus L. for potential neuroprotective and anti-neuroinflammatory applications in brain disorders: From molecular basis to therapy". Mechanisms of Ageing and Development. 205: 111686. doi:10.1016/j.mad.2022.111686. PMID 35609733. S2CID 248950035.
  12. ^ Mohammadzadeh L, Ghasemzadeh Rahbardar M, Razavi BM, Hosseinzadeh H (May 2022). "Crocin Protects Malathion-Induced Striatal Biochemical Deficits by Inhibiting Apoptosis and Increasing α-Synuclein in Rats' Striatum". Journal of Molecular Neuroscience. 72 (5): 983–993. doi:10.1007/s12031-022-01990-3. PMID 35274200. S2CID 247383603.
  13. ^ Chalatsa I, Arvanitis DA, Koulakiotis NS, Giagini A, Skaltsounis AL, Papadopoulou-Daifoti Z, et al. (2019-03-26). "The Crocus sativus Compounds trans-Crocin 4 and trans-Crocetin Modulate the Amyloidogenic Pathway and Tau Misprocessing in Alzheimer Disease Neuronal Cell Culture Models". Frontiers in Neuroscience. 13: 249. doi:10.3389/fnins.2019.00249. PMC 6443833. PMID 30971876.
  14. ^ Hosseinzadeh H, Jahanian Z (May 2010). "Effect of Crocus sativus L. (saffron) stigma and its constituents, crocin and safranal, on morphine withdrawal syndrome in mice". Phytotherapy Research. 24 (5): 726–730. doi:10.1002/ptr.3011. PMID 19827024. S2CID 38143210.
  15. ^ Akhondzadeh S, Fallah-Pour H, Afkham K, Jamshidi AH, Khalighi-Cigaroudi F (September 2004). "Comparison of Crocus sativus L. and imipramine in the treatment of mild to moderate depression: a pilot double-blind randomized trial [ISRCTN45683816]". BMC Complementary and Alternative Medicine. 4: 12. doi:10.1186/1472-6882-4-12. PMC 517724. PMID 15341662.
  16. ^ Jam IN, Sahebkar AH, Eslami S, Mokhber N, Nosrati M, Khademi M, et al. (September 2017). "The effects of crocin on the symptoms of depression in subjects with metabolic syndrome". Advances in Clinical and Experimental Medicine. 26 (6): 925–930. doi:10.17219/acem/62891. PMID 29068592.
  17. ^ Siddiqui SA, Ali Redha A, Snoeck ER, Singh S, Simal-Gandara J, Ibrahim SA, Jafari SM (March 2022). "Anti-Depressant Properties of Crocin Molecules in Saffron". Molecules. 27 (7): 2076. doi:10.3390/molecules27072076. PMC 9000812. PMID 35408474.
  18. ^ Escribano J, Alonso GL, Coca-Prados M, Fernandez JA (February 1996). "Crocin, safranal and picrocrocin from saffron (Crocus sativus L.) inhibit the growth of human cancer cells in vitro". Cancer Letters. 100 (1–2): 23–30. doi:10.1016/0304-3835(95)04067-6. PMID 8620447.
  19. ^ Chryssanthi DG, Lamari FN, Iatrou G, Pylara A, Karamanos NK, Cordopatis P (2007). "Inhibition of breast cancer cell proliferation by style constituents of different Crocus species". Anticancer Research. 27 (1A): 357–362. PMID 17352254.
  20. ^ Abdullaev Jafarova F, Caballero-Ortega H, Riverón-Negrete L, Pereda-Miranda R, Rivera-Luna R, Manuel Hernández J, et al. (2002). "[In vitro evaluation of the chemopreventive potential of saffron]". Revista de Investigacion Clinica. 54 (5): 430–436. PMID 12587418.
  21. ^ Bakshi HA, Quinn GA, Nasef MM, Mishra V, Aljabali AA, El-Tanani M, et al. (April 2022). "Crocin Inhibits Angiogenesis and Metastasis in Colon Cancer via TNF-α/NF-kB/VEGF Pathways". Cells. 11 (9): 1502. doi:10.3390/cells11091502. PMC 9104358. PMID 35563808.
  22. ^ Boozari M, Hosseinzadeh H (August 2022). "Crocin molecular signaling pathways at a glance: A comprehensive review". Phytotherapy Research. 36 (10): 3859–3884. doi:10.1002/ptr.7583. PMID 35989419. S2CID 251721130.
  23. ^ Hosseinzadeh H, Ziaee T, Sadeghi A (June 2008). "The effect of saffron, Crocus sativus stigma, extract and its constituents, safranal and crocin on sexual behaviors in normal male rats". Phytomedicine. 15 (6–7): 491–495. doi:10.1016/j.phymed.2007.09.020. PMID 17962007.
  24. ^ "Efficacy and safety of crocin supplementation in patients with central serous chorioretinopathy, a pilot randomized double blinded clinical trial". PharmaNutrition. 30: 2–7. 2024. doi:10.1016/j.phanu.2024.100422.
  25. ^ Heydari, Mojtaba; Zare, Mousa; Badie, Mohammad Reza; Watson, Ronald Ross; Talebnejad, Mohammad Reza; Afarid, Mehrdad (April 2023). "Crocin as a vision supplement". Clinical & Experimental Optometry. 106 (3): 249–256. doi:10.1080/08164622.2022.2039554. ISSN 1444-0938. PMID 35231199.

Bibliography

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  • Media related to Crocin at Wikimedia Commons
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