alexa Investigation on the Profile of Phenolic Acids and Flav
ISSN 2472-0542

Journal of Experimental Food Chemistry
Open Access

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Research Article

Investigation on the Profile of Phenolic Acids and Flavonoids with Antioxidant Capacity in Florida Highbush (Vaccinium corymbosum L.) and Rabbiteye (Vaccinium virgatum) Blueberries

Mei Song1,3, James W. Olmstead2, Russell L. Rouseff1,4 and Elizabeth Tomasino3*

1Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, United States

2Department of Horticultural Sciences, University of Florida, Gainesville, Florida 3261 United States

3Department of Food Science & Technology, Oregon State University, 100 Wiegand Hall, Corvallis, Oregon 9733 United States

4Citrus Research Institute, CAAS, National Citrus Engineering Research Center, Southwest University, Chongqing, China

*Corresponding Author:
Elizabeth Tomasino
Department of Food Science & Technology
Oregon State University, 100 Wiegand Hall
Corvallis, Oregon, USA 9733
Tel: 541-737-4866
Fax: 541-737-1877
E-mail: [email protected]

Received Date: November 20, 2015 Accepted Date: December 2015 Published Date: December 8, 2015

Citation: Song M, Olmstead JW, Rouseff RL, Tomasino E (2016) Investigation on the Profile of Phenolic Acids and Flavonoids with Antioxidant Capacity in Florida Highbush (Vaccinium corymbosum L.) and Rabbiteye (Vaccinium virgatum) Blueberries. J Exp Food Chem 2:105. doi: 10.4172/2472-0542.1000105

Copyright: © 2015 Song M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



It is well documented that blueberry phenolic compositions, such as phenolic acids and flavonoids differ based on species and cultivars. However, phenolic compositions in Florida blueberries have been little explored. Information on Florida blueberries are of interest as they are harvested earlier than other areas of the United States, which may result in compositional differences due to shorter daylight hours and cooler temperatures. Samples were harvested from University of Florida grower-cooperator farm near Gainesville, FL. After liquid-liquid extraction and C-18 SPE cartridge purification, concentrations of phenolic acids and flavonoids of twenty two blueberry cultivars (20 highbush and 2 rabbiteye) were measured using HPLC. Five phenolic acids (gallic acid, protocatechuic acid, chlorogenic acid, caffeic acid and ferulic acid), two flavan-3-ols (catechin and epicatechin) and five flavonols (quercetin-3-galactoside or quercetin-3-glucoside, quercetin-3-arabinoside, myricetin, quercetin and kaempferol) were identified and quantified. Chlorogenic acid was the major component in highbush blueberries. Flavonoid and phenolic acid composition were profoundly different among Florida blueberries and these differences have not been previously reported. The first two components of PCA explained 95% of the variation totally; it showed clear differentiation of blueberry cultivars based on phenolic composition. The majority of the variation between the cultivars was due to variation in quercetin-3-galactoside or glucoside, quercetin-3-arabinoside and chlorogenic acid, which are most likely due to genetic and maturity differences. Complete-linkage clustering analysis displayed five significantly different (p<0.05) clusters of blueberries, which were in agreement with PCA results, although some small differences were noted. Furthermore, Florida blueberries can be differentiated based on phenolic composition between highbush and rabbiteye species and varieties. Low flavanol content in rabbiteye blueberries may be related to maturity as these compounds typically decrease as berries ripen. Although the concentrations for phenolic compositions were lower than found in other reports, Florida blueberries contained a greater range of phenolic compounds. This information is valuable for blueberry breeding programs and growers for development of higher phenolic composition cultivar.


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