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자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.50 No.6
발행연도
2009.12
수록면
588 - 592 (5page)

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Preserved flowers are the processed floral materials that have been used for floral decoration. They are produced by replacing the internal moisture in fresh flowers with softening agent, such as glycerin. In order to accurately evaluate the quality of the preserved flowers according to the condition of the preservative solution, we examined the textural characteristics, including the hardness, stiffness, deflection, strain, and relaxation. Rose ‘Heaven’ was used as the experiment material. Flowers were dehydrated in a 100% ethanol solution for 24 hours, and soaked in four preservative solutions with different composition ratios (v/v) of glycerin and propylene glycol (PG) for 48 hours for the preservation treatments. The flower diameter was 95.2%, 94.3%, and 98.8% of that before the treatment when 5%, 10%, and 15% PG was added, respectively. The diameter decreased to 81.8% when 25% glycerin without PG was added. These results show that the PG caused less change in the flower size than glycerin. From the results of the texture analysis, the values of deflection and strain of the preserved flowers that were treated in the 25% glycerin preservative solution were highest at 4.5 N and 44.7 N with high flexibility, whereas they showed lower hardness and stiffness values than the preserved flowers of other treatments. Meanwhile, the stiffness and hardness of the surface increased with the addition of 20% PG to the glycerin solution. In conclusion, the preservative solution of 5% glycerin and 20% PG was evaluated as the best condition in the production of preserved flowers for floral decoration with rose ‘Heaven’. It had proper mechanical characteristics of stiffness and hardness as 10.4 N and 7.1 N, without concerning of the improper condition for floral decoration, such as brittleness and hanging down.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Literature Cited

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