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Results: 1 to 20 of 106

1.

Evaluation of a method to quantify quercetin aglycone in onion (Allium cepa) by single- and multi-laboratory validation studies.

Watanabe J, Takebayashi J, Takano-Ishikawa Y, Yasui A.

Anal Sci. 2012;28(12):1179-82.

PMID:
23232238
[PubMed - indexed for MEDLINE]
Free Article
2.

Determination of quercetins in onion (Allium cepa) using infrared spectroscopy.

Lu X, Ross CF, Powers JR, Rasco BA.

J Agric Food Chem. 2011 Jun 22;59(12):6376-82. doi: 10.1021/jf200953z. Epub 2011 May 25.

PMID:
21612277
[PubMed - indexed for MEDLINE]
3.

Flavonol glucoside profile of southern Italian red onion (Allium cepa L.).

Bonaccorsi P, Caristi C, Gargiulli C, Leuzzi U.

J Agric Food Chem. 2005 Apr 6;53(7):2733-40.

PMID:
15796618
[PubMed - indexed for MEDLINE]
5.

Determination of flavonol aglycones in Ginkgo biloba dietary supplement crude materials and finished products by high-performance liquid chromatography: single laboratory validation.

Gray D, LeVanseler K, Pan M.

J AOAC Int. 2005 May-Jun;88(3):692-702. Erratum in: J AOAC Int. 2006 Mar-Apr;89(2):41A.

PMID:
16001841
[PubMed - indexed for MEDLINE]
Free PMC Article
6.

Quantification of quercetin glycosides in 6 onion cultivars and comparisons of hydrolysis-HPLC and spectrophotometric methods in measuring total quercetin concentrations.

Yoo KS, Lee EJ, Patil BS.

J Food Sci. 2010 Mar;75(2):C160-5. doi: 10.1111/j.1750-3841.2009.01469.x.

PMID:
20492220
[PubMed - indexed for MEDLINE]
7.

Quercetin and isorhamnetin in sweet and red cultivars of onion (Allium cepa L.) at harvest, after field curing, heat treatment, and storage.

Olsson ME, Gustavsson KE, Vågen IM.

J Agric Food Chem. 2010 Feb 24;58(4):2323-30. doi: 10.1021/jf9027014.

PMID:
20099844
[PubMed - indexed for MEDLINE]
8.

Onions: a source of unique dietary flavonoids.

Slimestad R, Fossen T, Vågen IM.

J Agric Food Chem. 2007 Dec 12;55(25):10067-80. Epub 2007 Nov 13. Review.

PMID:
17997520
[PubMed - indexed for MEDLINE]
9.

Determination of the relative contribution of quercetin and its glucosides to the antioxidant capacity of onion by cyclic voltammetry and spectrophotometric methods.

Zielinska D, Wiczkowski W, Piskula MK.

J Agric Food Chem. 2008 May 28;56(10):3524-31. doi: 10.1021/jf073521f. Epub 2008 May 3.

PMID:
18454541
[PubMed - indexed for MEDLINE]
10.

Determination of quercetin and its glucosides in onion by electrochemical methods.

Zielińska D, Nagels L, Piskuła MK.

Anal Chim Acta. 2008 Jun 9;617(1-2):22-31. doi: 10.1016/j.aca.2008.01.037. Epub 2008 Jan 19.

PMID:
18486637
[PubMed - indexed for MEDLINE]
11.

Flavonoids in onion cultivars (Allium cepa L.).

Rodríguez Galdón B, Rodríguez Rodríguez EM, Díaz Romero C.

J Food Sci. 2008 Oct;73(8):C599-605. doi: 10.1111/j.1750-3841.2008.00903.x.

PMID:
19019103
[PubMed - indexed for MEDLINE]
12.

Quercetin and isorhamnetin glycosides in onion (Allium cepa L.): varietal comparison, physical distribution, coproduct evaluation, and long-term storage stability.

Lee J, Mitchell AE.

J Agric Food Chem. 2011 Feb 9;59(3):857-63. doi: 10.1021/jf1033587. Epub 2011 Jan 18.

PMID:
21244009
[PubMed - indexed for MEDLINE]
13.

Antioxidative compounds from the outer scales of onion.

Ly TN, Hazama C, Shimoyamada M, Ando H, Kato K, Yamauchi R.

J Agric Food Chem. 2005 Oct 19;53(21):8183-9.

PMID:
16218662
[PubMed - indexed for MEDLINE]
14.

Fermentation enhances the in vitro antioxidative effect of onion (Allium cepa) via an increase in quercetin content.

Yang EJ, Kim SI, Park SY, Bang HY, Jeong JH, So JH, Rhee IK, Song KS.

Food Chem Toxicol. 2012 Jun;50(6):2042-8. doi: 10.1016/j.fct.2012.03.065. Epub 2012 Apr 1.

PMID:
22504089
[PubMed - indexed for MEDLINE]
15.

Quercetin content in field-cured onions (Allium cepa L.): effects of cultivar, lifting time, and nitrogen fertilizer level.

Mogren LM, Olsson ME, Gertsson UE.

J Agric Food Chem. 2006 Aug 23;54(17):6185-91.

PMID:
16910706
[PubMed - indexed for MEDLINE]
16.

Flavonoids and antioxidant capacity of Georgia-grown Vidalia onions.

Sellappan S, Akoh CC.

J Agric Food Chem. 2002 Sep 11;50(19):5338-42.

PMID:
12207471
[PubMed - indexed for MEDLINE]
17.

Various cooking methods and the flavonoid content in onion.

Ioku K, Aoyama Y, Tokuno A, Terao J, Nakatani N, Takei Y.

J Nutr Sci Vitaminol (Tokyo). 2001 Feb;47(1):78-83.

PMID:
11349895
[PubMed - indexed for MEDLINE]
18.

Effect of diets fortified with tomatoes or onions with variable quercetin-glycoside content on azoxymethane-induced aberrant crypt foci in the colon of rats.

Femia AP, Caderni G, Ianni M, Salvadori M, Schijlen E, Collins G, Bovy A, Dolara P.

Eur J Nutr. 2003 Dec;42(6):346-52.

PMID:
14673608
[PubMed - indexed for MEDLINE]
19.

Tyrosinase inhibitory effect of quercetin 4'-O-β-D-glucopyranoside from dried skin of red onion (Allium cepa).

Arung ET, Wijaya Kusuma I, Shimizu K, Kondo R.

Nat Prod Res. 2011 Feb;25(3):256-63. doi: 10.1080/14786411003754256.

PMID:
20635304
[PubMed - indexed for MEDLINE]
20.

Organically fertilized onions (Allium cepa L.): effects of the fertilizer placement method on quercetin content and soil nitrogen dynamics.

Mogren LM, Caspersen S, Olsson ME, Gertsson UE.

J Agric Food Chem. 2008 Jan 23;56(2):361-7. doi: 10.1021/jf071813a. Epub 2007 Dec 29.

PMID:
18163553
[PubMed - indexed for MEDLINE]

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