Cuticular Wax Composition of Wild and Cultivated Northern Berries

The outer-most layer of plant surface, the cuticle, consists of epi- and intra-cuticular wax. It protects the plant from dehydration, extreme temperatures and UV radiation, as well as attacks from pests such as molds and bacteria. Berry cuticular waxes are studied to understand the metabolism charac...

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Main Authors: Linards Klavins, Maris Klavins
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/9/5/587
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author Linards Klavins
Maris Klavins
author_facet Linards Klavins
Maris Klavins
author_sort Linards Klavins
collection DOAJ
description The outer-most layer of plant surface, the cuticle, consists of epi- and intra-cuticular wax. It protects the plant from dehydration, extreme temperatures and UV radiation, as well as attacks from pests such as molds and bacteria. Berry cuticular waxes are studied to understand the metabolism character (factors affecting wax layer composition in different berry species) and increase the microbial resistance and shelf life of berries. The aim of this study was analysis of the surface wax composition of nine species of wild and cultivated berries from Northern Europe. Cuticular wax analysis were done using gas chromatography-mass spectrometry. A total of 59 different compounds were identified belonging to nine groups of compounds, namely, alkanes, phytosterols, alcohols, fatty acids, phenolic acids, ketones, aldehydes, esters and tocopherols. The analyzed blueberries had the highest amount of wax present on their surface (0.9 mg berry<sup>−1</sup>), triterpenoids were the main wax constituent in these berries, with up to 62% wax composition. Berry species and varieties were compared based on their surface wax composition—similarities were found between different blueberry varieties; however, other berries showed differences based on concentration and composition of cuticular wax.
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spelling doaj.art-978b7e95fe8742e3a514f785ea7dbff62023-11-19T23:31:58ZengMDPI AGFoods2304-81582020-05-019558710.3390/foods9050587Cuticular Wax Composition of Wild and Cultivated Northern BerriesLinards Klavins0Maris Klavins1Laboratory of Natural Products Research, University of Latvia, Jelgava’s Street 1, LV-1004 Riga, LatviaLaboratory of Natural Products Research, University of Latvia, Jelgava’s Street 1, LV-1004 Riga, LatviaThe outer-most layer of plant surface, the cuticle, consists of epi- and intra-cuticular wax. It protects the plant from dehydration, extreme temperatures and UV radiation, as well as attacks from pests such as molds and bacteria. Berry cuticular waxes are studied to understand the metabolism character (factors affecting wax layer composition in different berry species) and increase the microbial resistance and shelf life of berries. The aim of this study was analysis of the surface wax composition of nine species of wild and cultivated berries from Northern Europe. Cuticular wax analysis were done using gas chromatography-mass spectrometry. A total of 59 different compounds were identified belonging to nine groups of compounds, namely, alkanes, phytosterols, alcohols, fatty acids, phenolic acids, ketones, aldehydes, esters and tocopherols. The analyzed blueberries had the highest amount of wax present on their surface (0.9 mg berry<sup>−1</sup>), triterpenoids were the main wax constituent in these berries, with up to 62% wax composition. Berry species and varieties were compared based on their surface wax composition—similarities were found between different blueberry varieties; however, other berries showed differences based on concentration and composition of cuticular wax.https://www.mdpi.com/2304-8158/9/5/587berrysurfacecuticularwaxvacciniumchemical composition
spellingShingle Linards Klavins
Maris Klavins
Cuticular Wax Composition of Wild and Cultivated Northern Berries
Foods
berry
surface
cuticular
wax
vaccinium
chemical composition
title Cuticular Wax Composition of Wild and Cultivated Northern Berries
title_full Cuticular Wax Composition of Wild and Cultivated Northern Berries
title_fullStr Cuticular Wax Composition of Wild and Cultivated Northern Berries
title_full_unstemmed Cuticular Wax Composition of Wild and Cultivated Northern Berries
title_short Cuticular Wax Composition of Wild and Cultivated Northern Berries
title_sort cuticular wax composition of wild and cultivated northern berries
topic berry
surface
cuticular
wax
vaccinium
chemical composition
url https://www.mdpi.com/2304-8158/9/5/587
work_keys_str_mv AT linardsklavins cuticularwaxcompositionofwildandcultivatednorthernberries
AT marisklavins cuticularwaxcompositionofwildandcultivatednorthernberries