Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 61, Issue 49, Pages 12072-12084Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf404109t
Keywords
honeysuckle; LC-MS analysis; polyphenols; anthocyanins; polymeric procyanidins; degree of polymerization; antioxidant activity
Funding
- Ministry of Agricultural and Rural Development [RR-re-401-335/08]
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Phytochemical profiles of four different honeysuckle varieties and four genotypes were studied. Polyphenols were identified by LC-PDA-QTOF/MS and quantified by UPLC-PDA and UPLC-FL. A total of 21 polyphenolic compounds found in the investigated fruit tissues were identified and presented as 6 anthocyanins, 6 flavan-3-ols, 4 phenolic acids, 3 flavanols, and 2 flavones. Among the identified compounds polymeric procyanidins and one luteolin derivative were quantified for the first time. Anthocyanins and flavan-3-ols were the major classes of honeysuckle polyphenols. The content of total polyphenols was between 775 mg (genotype 'Klon 38') and 2005 mg/100 g dry matter (cultivar 'Duet). The content of ascorbic acid ranged from 3.19 to 32.12 mg/100 g fresh matter for genotypes 'Klon C' and `Klon 44', respectively. The content of polyphenolic compounds was highly correlated with the antioxidant activity. Some honeysuckle genotypes may be deemed interesting as applicable in human nutrition.
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