PMID: 11929290Apr 4, 2002Paper

Study of the organic acids composition of quince (Cydonia oblonga Miller) fruit and jam

Journal of Agricultural and Food Chemistry
Branca M SilvaMargarida A Ferreira

Abstract

The organic acids present in several samples of quince fruit (pulp and peel) and quince jam (homemade and industrially manufactured) were analyzed by HPLC. The sample preparation was simple, involving only extraction with methanol (40 degrees C) and filtration through a Sep-pack C18 cartridge. The chromatographic separation was achieved using an ion exclusion column, Nucleogel Ion 300 OA (300 x 7.7 mm), in conjunction with a column heating device at 30 degrees C. An isocratic elution with H(2)SO(4) 0.01 N as the mobile phase, with a flow rate of 0.1 mL/min, and UV detection at 214 nm were used. These analyses showed that all samples presented a similar profile composed of at least six identified organic acids: citric, ascorbic, malic, quinic, shikimic, and fumaric acids. Several samples also contained oxalic acid. This study suggests that the organic acids levels and ratios may be useful for the determination of percent fruit content of quince jams. The citric acid value can also be used in the differentiation of the type of manufacture of the commercial quince jams (homemade or industrially manufactured).

Citations

Oct 1, 2003·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Branca M SilvaMargarida A Ferreira
Sep 29, 2009·Cell Biology and Toxicology·Elizabeth A MazzioKaram F A Soliman
Feb 11, 2005·Natural Product Research·Branca M SilvaMargarida A Ferreira
Jul 25, 2012·Journal of Chemical Biology·Denis V BochkovIrina A Surmacheva
Aug 29, 2012·Journal of Food Science·Maja Mikulic-PetkovsekRobert Veberic
Apr 14, 2016·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·José PinelaIsabel C F R Ferreira
Dec 15, 2012·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Luís R SilvaPaula B Andrade
Jul 26, 2016·Frontiers in Pharmacology·Muhammad U AshrafSyed N A Bukhari
Jul 17, 2019·Food Chemistry·Jelena TomićJerneja Jakopič
Aug 23, 2007·Journal of Agricultural and Food Chemistry·Andreia P OliveiraBranca M Silva

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