Secoisolariciresinol

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Secoisolariciresinol

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Secoisolariciresinol
Names

IUPAC name (8R,8′R)-3,3′-Dimethoxylignane-4,4′,9,9′-tetrol
Systematic IUPAC name (2R,3R)-2,3-Bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol
Other names (−)-Secoisolariciresinol
Identifiers
CAS Number	29388-59-8^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:65004^N
ChEMBL	ChEMBL368347^N
ChemSpider	58845^N
ECHA InfoCard	100.045.076
EC Number	249-599-2
KEGG	C18167^Y
PubChem CID	65373
UNII	M8QRJ7JEJH^Y
CompTox Dashboard (EPA)	DTXSID50183615
InChI InChI=1S/C20H26O6/c1-25-19-9-13(3-5-17(19)23)7-15(11-21)16(12-22)8-14-4-6-18(24)20(10-14)26-2/h3-6,9-10,15-16,21-24H,7-8,11-12H2,1-2H3/t15-,16-/m0/s1^N Key: PUETUDUXMCLALY-HOTGVXAUSA-N^N
SMILES COC1=C(C=CC(=C1)CC(CO)C(CC2=CC(=C(C=C2)O)OC)CO)O
Properties
Chemical formula	C₂₀H₂₆O₆
Molar mass	362.422 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Secoisolariciresinol is an organic compound. It is classified as a lignan, i.e., a type of phenylpropanoid. It is present in some cereals, such as rye, and together with matairesinol has attracted much attention for its beneficial nutritional effects.^[1]

Occurrence

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The water extract of silver fir wood contains more than 5% of secoisolariciresinol.^[2] It is also present in nettle brew.^[3] Its content in flaxseed (Linum usitatissimum) was found to be 0.3%,^[4] which is the highest known content in food.

Biomedical aspects

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In the intestine the gut microflora can form secoisolariciresinol from the secoisolariciresinol diglucoside and it can then be further transformed into the enterolignan enterodiol. Epidemiological studies showed associations between secoisolariciresinol intake and decreased risk of cardiovascular disease are promising, but they are yet not well established, perhaps due to low lignan intakes in habitual Western diets. At the higher doses used in intervention studies, associations were more evident.^[5]^[6]

Glycosides

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Secoisolariciresinol diglucoside

References

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^ Seibel, Wilfried; Kim Chung, Okkyung; Weipert, Dorian; Park, Seok-Ho (2006). "Cereals". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a06_093.pub2. ISBN 3527306730.
^ Tavčar Benković, Eva; Žigon, Dušan; Mihailović, Vladimir; Petelinc, Tanja; Jamnik, Polona; Kreft, Samo (2017). "Identification, in vitro and in vivo Antioxidant Activity, and Gastrointestinal Stability of Lignans from Silver Fir (Abies alba) Wood Extract". Journal of Wood Chemistry and Technology. 37 (6): 467. doi:10.1080/02773813.2017.1340958. S2CID 90833072.
^ Francišković, Marina; Gonzalez-Pérez, Raquel; Orčić, Dejan; Sánchez de Medina, Fermín; Martínez-Augustin, Olga; Svirčev, Emilija; Simin, Nataša; Mimica-Dukić, Neda (August 2017). "Chemical Composition and Immuno-Modulatory Effects of Urtica dioica L. (Stinging Nettle) Extracts". Phytotherapy Research. 31 (8): 1183–1191. doi:10.1002/ptr.5836. ISSN 1099-1573. PMID 28544187. S2CID 33903986.
^ Milder, Ivon E. J.; Arts, Ilja C. W.; Putte, Betty van de; Venema, Dini P.; Hollman, Peter C. H. (2005). "Lignan contents of Dutch plant foods: a database including lariciresinol, pinoresinol, secoisolariciresinol and matairesinol". British Journal of Nutrition. 93 (3): 393–402. doi:10.1079/bjn20051371. ISSN 1475-2662. PMID 15877880.
^ Peterson, Julia; Dwyer, Johanna; Adlercreutz, Herman; Scalbert, Augustin; Jacques, Paul; McCullough, Marjorie L. (2010-10-01). "Dietary lignans: physiology and potential for cardiovascular disease risk reduction". Nutrition Reviews. 68 (10): 571–603. doi:10.1111/j.1753-4887.2010.00319.x. ISSN 0029-6643. PMC 2951311. PMID 20883417.
^ Pan, An; Yu, Danxia; Demark-Wahnefried, Wendy; Franco, Oscar H; Lin, Xu (2009-08-01). "Meta-analysis of the effects of flaxseed interventions on blood lipids". The American Journal of Clinical Nutrition. 90 (2): 288–297. doi:10.3945/ajcn.2009.27469. ISSN 0002-9165. PMC 3361740. PMID 19515737.

v t e Types of lignans
Lignans	Arboreol Arctigenin Chamaecypanone A and B Eudesmin Globoidnan A Gmelanone Gmelinol Gummadiol Isootobanone Lyoniresinol Macelignan Matairesinol Obtulignolide Pinoresinol Pluviatilol Podophyllotoxin Secoisolariciresinol Sesamin Sesamolin Steganacin
Lignan glycosides	Arctiin Aviculin (isolariciresinol-9'-rhamnopyranoside) Secoisolariciresinol diglucoside (SDG)
Mammalian lignans (enterolignans)	Enterodiol Enterolactone Lariciresinol Hydroxymatairesinol Syringaresinol
Neolignans	Balanophonin Eusiderin Honokiol Interiotherin Linderin A Magnolol Megaphone 4-O-Methylhonokiol Rhaphidecursinol A Rhaphidecursinol B
Flavonolignans	Cinchonain-Ib Dehydrosilybin Deoxysilycistin Deoxysilydianin Hydnocarpin Hydnowightin Neosilyhermin Palstatin Rhodiolin Salcolin A Salcolin B Scutellaprostin A, B, C, D, E and F Silandrin Silyamandin Silibinin Silybinome Silicristin Silydianin Silyhermin Tricin 4'-O-(erythro-beta-guaiacylglyceryl) ether Tricin 4'-O-(threo-beta-guaiacylglyceryl) ether

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