<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Hybrid Rugosa is the most winter hardy group of roses in the climatic conditions of the Baltic Sea region. This study aimed at identifying new qualities of Hybrid Rugosa by focusing on determination of content of volatile organic compounds of flower petals and in hydrosols produced from these. Volatiles of seven cultivars were extracted using solid phase microextraction (SPME) with subsequent separation by gas chromatography. Identification was made by comparison with mass spectral libraries and by calculating linear retention indexes and comparing them with literature data. Twenty-five volatile aroma compounds were identified in the petals and hydrosols of six Hybrid Rugosa and species. Among those, phenylethylalcohol, ß-citronellol, geraniol and nerol were predominant. Species Rosa rugosa and variety ‘Plena’ showed the highest total level of volatiles and contained 26% and 31% ß-citronellol, respectively. Varieties ‘Raita’ and ‘Sniedze’ contained up to 57% citronellol. The main volatile compounds were detected in hydrosols in the same proportions, but their concentration was higher than in petals. The varieties ‘Raita’ and ‘Violeta’, bred in Latvia, are recommendable for use as a source of hydrosol.</p></abstract>

Hybrid Rugosa is the most winter hardy group of roses in the climatic conditions of the Baltic Sea region. This study aimed at identifying new qualities of Hybrid Rugosa by focusing on determination of content of volatile organic compounds of flower petals and in hydrosols produced from these. Volatiles of seven cultivars were extracted using solid phase microextraction (SPME) with subsequent separation by gas chromatography. Identification was made by comparison with mass spectral libraries and by calculating linear retention indexes and comparing them with literature data. Twenty-five volatile aroma compounds were identified in the petals and hydrosols of six Hybrid Rugosa and species. Among those, phenylethylalcohol, ß-citronellol, geraniol and nerol were predominant. Species Rosa rugosa and variety ‘Plena’ showed the highest total level of volatiles and contained 26% and 31% ß-citronellol, respectively. Varieties ‘Raita’ and ‘Sniedze’ contained up to 57% citronellol. The main volatile compounds were detected in hydrosols in the same proportions, but their concentration was higher than in petals. The varieties ‘Raita’ and ‘Violeta’, bred in Latvia, are recommendable for use as a source of hydrosol.

Volatile Organic Compounds Of Hybrid Rugosa Roses In Latvia

Botanical Garden, University of Latvia, Kandavas iela 2, Rīga, LV-1083, LATVIA

Faculty of Biology, University of Latvia, Kronvalda bulv 4, Rīga, LV-1586, LATVIA

Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

GAISTOŠIE SAVIENOJUMI RUGOSAS HIBRĪDU ROŽU ZIEDLAPĀS UN HIDROSOLĀ

Hybrid Rugosa is the most winter hardy group of roses in the climatic conditions of the Baltic Sea region. This study aimed at identifying new qualities of...

Volatile Organic Compounds Of Hybrid Rugosa Roses In Latvia

Published Online: Jul 14, 2015

Page range: 57 - 61

Received: Sep 30, 2014

DOI: https://doi.org/10.1515/prolas-2015-0007

Keywords
volatile, citronellol, GC/MS, hydrosols

© Anta Sparinska et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volatile Organic Compounds Of Hybrid Rugosa Roses In Latvia

Published Online: Jul 14, 2015

Page range: 57 - 61

Received: Sep 30, 2014

DOI: https://doi.org/10.1515/prolas-2015-0007

Keywordsvolatile, citronellol, GC/MS, hydrosols

© Anta Sparinska et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
volatile, citronellol, GC/MS, hydrosols