Journal
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
Volume 47, Issue -, Pages 1-7Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2015.09.005
Keywords
Vaccinium corymbosum L.; Vaccinium corymbosum L./V. anugustifolium Ait.; Blueberries; Highbush; Half-high; Anthocyanins; Profiling; Principal component analysis; Food analysis; Food composition
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Funding
- National Key Technology R&D Program of the Ministry of Science and Technology [2012BAD31B05]
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In this study, anthocyanins in 17 samples of blueberries of different varieties and geographical origins in China (including Duke, Bluecrop, Northland, Northblue, Spartan, and St. Cloud blueberry varieties) were identified and quantified. Thirteen anthocyanins were identified by means of their absorbance spectrum and fragmentation pattern in tandem mass spectrometry. The anthocyanin profiles from blueberries of all cultivars were similar, but the proportions were cultivar-dependent. Malvidin (41.0%), delphinidin (33.1%), and petunidin (17.3%) were the major contributors to the total anthocyanidin content. The multivariate method of principal component analysis (PCA) was used to evaluate the differences among the cultivars. The results showed that each species could be separated from others cultivated in China, primarily by the proportions of each anthocyanin compound in each blueberry variety. The differences were probably due to the cultivar and climatic factors. (C) 2015 Elsevier Inc. All rights reserved.
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