압화용 적색 장미 꽃잎의 변색 방지에 미치는 Al, AlK, Mg 및 CuSO₄ 희석액의 열탕처리 효과 Effect of the Boiling Water Treatment with the Diluted Al₂(SO₄)₃, AlK(SO₄), MgSO₄ and CuSO₄ Solution on the Prevention of Red Color Rose Petals for the Press Flower from Discoloration
적색장미의 변색방지 기술을 개발하고자 Al, AlK, Mg 및 CuSO4를 증류수에 0, 5, 10, 20 및 30%로 희석한 열탕(85∼90℃)에 장미 ‘카디날’ 꽃잎을 30초 동안 침지하여 건조한 후 자외선 조사에 따른 변색정도를 조사하였다. Al 용액 처리구는 a*값의 경우 5, 10% 처리구에서, b값은 20%처리구에서, △E*값은 30% 처리구에서 신선한 꽃과의 색차가 적었다. AlK 처리구는 5%와 30% 액에 처리시 신선한 꽃과의 헌트 a*, b* 및 △E*값의 차이가 적었다. Mg 처리구는 20% 및 30% 처리구에서 신선한 꽃과의 Hunter a*, b* 및 △E*값의 차이가 적었다. CuSO4 처리구는 5% 액에 처리시 신선한 꽃과의 Hunter a*, b*, △E*값 및 Munsell 표색계 H값의 차이가 적었다.
적색장미의 변색방지 기술을 개발하고자 Al, AlK, Mg 및 CuSO4를 증류수에 0, 5, 10, 20 및 30%로 희석한 열탕(85∼90℃)에 장미 ‘카디날’ 꽃잎을 30초 동안 침지하여 건조한 후 자외선 조사에 따른 변색정도를 조사하였다. Al 용액 처리구는 a*값의 경우 5, 10% 처리구에서, b값은 20%처리구에서, △E*값은 30% 처리구에서 신선한 꽃과의 색차가 적었다. AlK 처리구는 5%와 30% 액에 처리시 신선한 꽃과의 헌트 a*, b* 및 △E*값의 차이가 적었다. Mg 처리구는 20% 및 30% 처리구에서 신선한 꽃과의 Hunter a*, b* 및 △E*값의 차이가 적었다. CuSO4 처리구는 5% 액에 처리시 신선한 꽃과의 Hunter a*, b*, △E*값 및 Munsell 표색계 H값의 차이가 적었다.
This study was conducted to develop the preservation technique of red rose petals for the pressed flower from discoloration. We have collected the rose c.v. "cardinal" petals, and have also immersed that in the boiled fluid(85∼90℃) of Al₂(SO₄)₃, AlK(SO₄), MgSO₄ and CuSO₄ solution for 30 seconds whic...
This study was conducted to develop the preservation technique of red rose petals for the pressed flower from discoloration. We have collected the rose c.v. "cardinal" petals, and have also immersed that in the boiled fluid(85∼90℃) of Al₂(SO₄)₃, AlK(SO₄), MgSO₄ and CuSO₄ solution for 30 seconds which were diluted by 0, 5, 10, 20 and 30% with the distilled water. And that were dried and then examined into the effect of the ultraviolet radiation periods on the discoloration of rose petals. When treated with Al₂(SO₄)₃, it was estimated that the discoloration of rose petals among ultraviolet treatments were not significant following that a values of the rose petals which were diluted by 5% and 10%, b values by 20% and △E* values by 30%. Prevention effect of that treated AlK(SO4) were the same as control followed which a*, b* and △E* values of that diluted by 5% and 30%. Preservation effect treated MgSO₄ were the same as control following which a*, b* and △E* values of that diluted by 20% and 30%, and CuSO₄ that Hunter values such as a*, b*, △E* values and Munsell values diluted by 5%.
This study was conducted to develop the preservation technique of red rose petals for the pressed flower from discoloration. We have collected the rose c.v. "cardinal" petals, and have also immersed that in the boiled fluid(85∼90℃) of Al₂(SO₄)₃, AlK(SO₄), MgSO₄ and CuSO₄ solution for 30 seconds which were diluted by 0, 5, 10, 20 and 30% with the distilled water. And that were dried and then examined into the effect of the ultraviolet radiation periods on the discoloration of rose petals. When treated with Al₂(SO₄)₃, it was estimated that the discoloration of rose petals among ultraviolet treatments were not significant following that a values of the rose petals which were diluted by 5% and 10%, b values by 20% and △E* values by 30%. Prevention effect of that treated AlK(SO4) were the same as control followed which a*, b* and △E* values of that diluted by 5% and 30%. Preservation effect treated MgSO₄ were the same as control following which a*, b* and △E* values of that diluted by 20% and 30%, and CuSO₄ that Hunter values such as a*, b*, △E* values and Munsell values diluted by 5%.
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