Chemical investigation on Rose damascena Mill. volatiles; Effects of storage and drying conditions

• Autorzy: Koksal N. , Aslancan H. , Sadighazadi S. , Kafkas E.

Warianty tytułu

PL

Badanie chemiczne olejków lotnych w Rosa damascena Mill.; Wpływ warunków przechowywania i suszenia

• Języki publikacji: EN

Abstrakty

EN

The oil bearing rose (Rosa damascena) is the most important rose species in terms of fragrances and flavourings. Due to the very short blooming period and excessive amount of flowers, considerable amount of the rose flowers wait for a long time until distillation. There are losses of essential oil yield and quality use of before waited petals. The cold storage and drying applications may be alternative method for evaluate of excessive amount of flowers. Therefore in this study it was aimed to determine the effects of storage on cold (4°C) and room condition (25°C) and convective drying with different temperatures (40, 50 and 60°C) in terms of changes in volatile compositions of oil rose flowers based on direct hexane extraction. Totally 20 volatile compounds were identified in fresh, stored and dried rose petals. The detected compounds varied according to the various storage and drying conditions. It was determined that phenylethyl alcohol, citronellol, geranyl acetate, nonadecane were predominant compounds on all treatments. In the study, storing treatments led to increase on the percentage of oxygenated monoterpenes (OM) while drying treatments led to decrease on OM. It was determined that storing and drying treatments led to increase on the percentage of benzenoid compounds (BC) and aliphatic hydrocarbons (AH).

PL

Róża damasceńska (Rosa damascena) jest najważniejszym gatunkiem róży w kategoriach aromatów i zapachów. Ze względu na krótki okres kwitnienia i dużą liczbę kwiatów, znaczna liczba kwiatów róży czeka przez długi czas na destylację. Oznacza to straty olejków lotnych oraz pogorszenie jakości. Składowanie w chłodni i suszenie może być alternatywną metodą. Niniejsze badanie miało na celu określenie wpływu przechowywania w chłodni (4°C) i w warunkach pokojowych (25°C) oraz suszenia konwekcyjnego w różnych temperaturach (40, 50 i 60°C) na zmiany składu olejków lotnych kwiatów róży damasceńskiej w oparciu o ekstrakcję heksanu. W świeżych, magazynowanych i suszonych płatkach róży zidentyfikowano w sumie 20 składników lotnych. Różniły się one w zależności o warunków przechowywania i suszenia. Stwierdzono, że alkohol fenyloetylowy, cytronelol, octan geranylu oraz nonadekan były głównymi składnikami w przypadku wszystkich zabiegów. W niniejszym badaniu przechowywanie spowodowało wzrost utlenionych monoterpenów (OM), natomiast suszenie prowadziło do spadku OM. Stwierdzono, że zabiegi przechowywania i suszenia prowadzą do wzrostu zawartości składników benzenoidowych (BC) oraz węglowodorów alifatycznych (AH).

Słowa kluczowe

EN

chemical investigation; Rosa damascena; Damask rose; volatile compound; storage effect; drying condition; solid phase microextraction

• Wydawca: -
• Czasopismo: Acta Scientiarum Polonorum. Hortorum Cultus
• Rocznik: 2015
• Tom: 14
• Numer: 1
• Opis fizyczny: p.105-114,ref.

Twórcy

autor

Koksal N.

• Department of Horticulture, Faculty of Agriculture, University of Cukurova, 01330, Balcali, Adana, Turkey

autor

Aslancan H.

• Fruit Research Station, Egirdir, Isparta, Turkey

autor

Sadighazadi S.

• Department of Horticulture, Faculty of Agriculture, University of Cukurova, 01330, Balcali, Adana, Turkey

autor

Kafkas E.

• Department of Horticulture, Faculty of Agriculture, University of Cukurova, 01330, Balcali, Adana, Turkey

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