Traditional, Indigenous Apple Varieties, a Fruit with Potential for Beneficial Effects: Their Quality Traits and Bioactive Polyphenol Contents.

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2020
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Abstract
Earlier studies suggested that traditional apple varieties have quality traits well accepted by consumers and beneficial effects on human health. The aim was to collect 25 traditional apple varieties grown in Croatia and to determine, for the first time in so many details, their external (weight, height, width, shape, color), internal quality traits (firmness, starch decomposition index, maturity index, soluble solid concentration, total acids, soluble solid/total acids ratio, pH), and seed characteristics. In addition, individual polyphenols were determined in the flesh and peel, by using RP-HPLC. All was compared to the commercial variety 'Idared'. Quality parameters of these varieties were similar to those of the commercial variety. The flesh and peel contained flavan-3-ols, dihydrochalcones, phenolic acids, and flavonols, while anthocyanins were additionally found in the peel. Total polyphenols in the peel (536-3801 mg kg fresh weight (FW)) and in the flesh (79-1294 mg kg FW) of the majority of varieties were higher than in the commercial variety. Principal component analysis showed possible clustering according to polyphenol amounts. According to the observed diversity of quality traits and bioactive polyphenol contents, the traditional varieties have potential for consumer acceptance and increased cultivation.
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jakobek2020traditionalfoods Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jakobek, Lidija;Ištuk, Jozo;Buljeta, Ivana;Voća, Sandra;Žlabur, Jana Šic;Babojelić, Martina Skendrović;
Journal Foods (Basel, Switzerland)
Year 2020
DOI
E52
URL
Keywords
HPLC flavan-3-ols phenolic acids anthocyanins dihydrochalcones external quality traits flavonols internal quality traits

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