Abstract
The Rosa damascena Mill. is cultivated in different parts of Iran. For evaluation of its essence, the experiment was carried out on 50 accessions during 2014-17 using randomized complete blocks design with three replications. Results showed that the essence of Kermanshah11 (0.412 g), Yazd 1 (0.400 g), Isfahan 4 (0.364 g), Lorestan 1 (0.361 g), Kermanshah 2 (0.350 g) and Isfahan 3 (0.331 g) accessions had a higher amount of essence. Strong positive correlation coefficients (p≤0.01) were found between essence of citronellol- n-eicosan (0.845), citronellol- n-heneicosane (0.879), n-nonadecane-geraniol (0.883), n-heneicosane-geraniol (0.842), n-heneicosane- geraniol (0.850), n-eicosane- geraniol (0.885), n-nonadecane- geraniol (0.930). Comparing the years, the accessions of Isfahan 5, Arak 1, Kordestan 1, West Azarbaijan 1, Tehran 1, Arak1, Fars 1 and Zanjan1 had the highest citronellol, geraniol, geraniol, n-tetradecanal, n-nonadecane, n-eicosane, n-pentacosane, n-heneicosane, respectively.
Highlights
Rosa damascena (Damask Rose) is one of the most valuable plant species in many countries worldwide, Iran, Bulgaria, Turkey, India, the United States, the United Kingdom and Japan
Results showed that the essence of Kermanshah[11] (0.412 g), Yazd 1 (0.400 g), Isfahan 4 (0.364 g), Lorestan 1 (0.361 g), Kermanshah 2 (0.350 g) and Isfahan 3 (0.331 g) accessions had a higher amount of essence
The highest amounts of extracted essences weight of 400 g petal were found in Kermanshah[11] (0.412 g), Yazd 1 (0.400 g), Isfahan 4 (0.364 g), Lorestan 1 (0.361 g), Kermanshah 2 (0.350 g) and Isfahan 3 (0.331 g) accessions, respectively
Summary
Rosa damascena (Damask Rose) is one of the most valuable plant species in many countries worldwide, Iran, Bulgaria, Turkey, India, the United States, the United Kingdom and Japan. These species were one of the most important roses in the ancient time for ornamental production through essence and attractive scents as well as medicinal properties of flowers and fruits (1, 2). Microchemical reagents, such as acid 1 to 200, indicate that the essence completes the entire space of the cell as a discoloration material This essence is prepared from the petals of the plant mainly the genus of centifolia, moschata and alba, but the highquality essence only obtained from the main species Damascena (8, 9). No change in essence quality followed by a change in its temperature (10)
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