Profiling of phenolic compounds and triterpene acids of twelve apple (Malus domestica borkh.) cultivars
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2023-05-31 11:04
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GEANA, Elisabeta Irina, CIUCURE, Corina Teodora, IONETE, Roxana Elena, CIOCARLAN, Alexandru, ARICU, Aculina, FICAI, Anton Anton, ANDRONESCU, Ecaterina. Profiling of phenolic compounds and triterpene acids of twelve apple (Malus domestica borkh.) cultivars. In: Foods, 2021, vol. 10, p. 0. ISSN 2304-8158. DOI: https://doi.org/10.3390/foods10020267
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Foods
Volumul 10 / 2021 / ISSN 2304-8158 /ISSNe 2304-8158

Profiling of phenolic compounds and triterpene acids of twelve apple (Malus domestica borkh.) cultivars

DOI: https://doi.org/10.3390/foods10020267

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Geana Elisabeta Irina1, Ciucure Corina Teodora1, Ionete Roxana Elena1, Ciocarlan Alexandru2, Aricu Aculina2, Ficai Anton Anton34, Andronescu Ecaterina34
 
1 National Research and Development Institute for Cryogenics and Isotopic Technologies,
2 Institute of Chemistry,
3 University Politehnica of Bucharest,
4 Romanian Academy of Science
 
Disponibil în IBN: 2 aprilie 2021


Rezumat

Apple (Malus domestica Borkh.), a popular and widely cultivated fruit world-wide, contains bioactive compounds responsible for their health benefits. Here we report the amounts of some bioactive compounds: two major triterpenes (oleanolic and ursolic acids) and polyphenols (phenolic acids, flavan-3-ols, flavonoids and t-resveratrol), together with bioactive properties of twelve apple cultivars measured by chromatographic and spectrophotometric methods. Significant variations were found comparing the bioactive potential of the investigated cultivars. High contents of phenolic acids were identified in the Montuan, Golden Delicious and Cretesc cultivars, while the most flavonoid dominant was the Richard cultivar. Starkrimson, Jonatan, Beliy Naliv and Richard cultivars present higher antioxidant capacity. Oleanolic acid ranged from 11 to 83 mg/g apple extract, while ursolic acid ranged from 55 to 436 mg/g apple extract, with higher amounts in Richard and Montuan cultivars. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) allowed the discrimination of apple cultivars depending on polyphenolic and triterpene acids composition. Caf-feic acid, gallic acid and epicatechin were identified as the main bioactive compounds in Starkrimson, Jonathan, Beliy Naliv and Richard cultivars, while ursolic and oleanolic acids were identified in high amounts in Richard, Montuan, Golden Delicious, Idared and Beliy Naliv apple cultivars. The results obtained in this study will contribute to the understanding of the bioactive composition of apples as well as the importance of their capitalization to obtain value-added products that promote human health. 



Cuvinte-cheie
Bioactive apple compounds, Chemometric analysis, flavonoids, Phenolic acids, Triterpene acids, UHPLC(ultra high performance liquid chromatography)