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Biophysical characterization of autochthonous and new apple cultivar surfaces
ID Bohinc, Klemen (Author), ID Štukelj, Roman (Author), ID Abram, Anže (Author), ID Jerman, Ivan (Author), ID Van de Velde, Nigel Willy (Author), ID Vidrih, Rajko (Author)

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Abstract
Apples have long been known for their beneficial effects on human health due to the presence of various bioactive compounds. It is therefore very important to understand the biophysical properties of apple cuticle that dictate apples’ storability and quality. The purpose of this work was to determine the roughness, hydrophobicity, surface potential, and color of various autochthonous and new apple cultivars. The surface roughness was measured by optical profilometer, hydrophobicity by tensiometer, zeta potential by electro kinetic analyser, and surface color by chroma meter. Measurements reveal that the new cultivar Elstar has the roughest surface while the autochthonous cultivar Crown Prince Rudolph has the lowest roughness. Under normal physiological conditions, all apple surfaces were negatively charged, with Wax apple having the lowest and Crown Prince Rudolph the highest values; most cultivars had an isoelectric point at around pH = 3. The surfaces of the new cultivars were slightly more hydrophobic than those of the autochthonous. We conclude that autochthonous and new apple cultivars differ in biophysical surface properties, which might impact transpiration, bacterial/fungi adhesion and, consequently, apple storage and shelf life potential.

Language:English
Keywords:apples, autochthonous cultivar, new cultivar, surface characteristics
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:ZF - Faculty of Health Sciences
BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Publication date:01.01.2022
Year:2022
Number of pages:11 str.
Numbering:Vol 12, iss. 9, art. 2051
PID:20.500.12556/RUL-139050 This link opens in a new window
UDC:634.11:543.2/.9
ISSN on article:2073-4395
DOI:10.3390/agronomy12092051 This link opens in a new window
COBISS.SI-ID:119426051 This link opens in a new window
Publication date in RUL:29.08.2022
Views:681
Downloads:86
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Record is a part of a journal

Title:Agronomy
Shortened title:Agronomy
Publisher:MDPI
ISSN:2073-4395
COBISS.SI-ID:522953241 This link opens in a new window

Licences

License:CC BY-NC 4.0, Creative Commons Attribution-NonCommercial 4.0 International
Link:http://creativecommons.org/licenses/by-nc/4.0/
Description:A creative commons license that bans commercial use, but the users don’t have to license their derivative works on the same terms.
Licensing start date:29.08.2022

Secondary language

Language:Undetermined
Keywords:jabolka, avtohtone sorte, nove sorte, površinske lastnosti

Projects

Funder:ARRS - Slovenian Research Agency
Project number:J7-2595-2020
Name:Modulacija polifenolnega profila v sadju s trajnostnimi fizikalnimi poobiralnimi postopki

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