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압화용 오이 과실 표피의 건조시 테이프 부착과 황산구리, 아스코르빈 산 및 열수 처리가 변색에 미치는 영향
박윤점 ( Yun Jum Park ),김현주 ( Hyun Ju Kim ),최경혜 ( Koung Hea Choi ),임명희 ( Myung Hee Im ),조자용 ( Ja Yong Cho ),허북구 ( Buk Gu Heo ) 한국화예디자인학회 2007 한국화예디자인학 연구 Vol.16 No.-
This study was carried out to look for the effective methods to prevent the discoloration of cucumber for the pressed flower. We have also removed the flesh of cucumber fruits, and investigated into the effects of the whether or not of the sticking with tape, the concentration of copper sulfate and ascorbic acid solution (0.5, 1, 2, 4, 8 and 16%), and the immersion period (5, 10, 15 and 30 minutes) on the chromaticity of cucumber after drying for 64 hours and ultraviolet radiation. The treatment of 4% copper sulfate solution for 15 minutes was effective. That sticking with tape were most effective in the immersion treatment of 8% copper sulfate solution for 15 minutes. That immersed in 6% vitamin solution for 5 minutes, and 0.5, 1, 2 and 4% vitamin solution for 10 minutes were effective for the prevention of discoloration. That treated 1, 2 and 4% ascorbic acid solution for 10 or 20 minutes after sticking that with tape were also effective. That immersed in the heated water for 10 seconds, and that for 30 seconds after sticking with tape were also effective for the prevention of discoloration. Generally sticking tape to the cutting parts of cucumber was effective for the prevention of discoloration.
Al2(SO4)3, AlK(SO4), MgSO4 및 CuSO4의 희석액 열탕처리가 압화용 황색 카네이션 꽃잎의 변색에 미치는 영향
박윤점 ( Yun Jum Park ),안정숙 ( Hung Suk Ah ),김현아 ( Hyun A Kim ),김현주 ( Hyun Ju Kim ),최경혜 ( Koung Hea Choi ),김유진 ( Yu Jin Kim ),허북구 ( Buk Gu Heo ) 한국화예디자인학회 2008 한국화예디자인학 연구 Vol.19 No.-
This study was conducted to develop the preservation technique of materials for the pressed flower from discoloration. We have collected yellow carnation petals, and immersed that in Al2(SO4)3, AlK(SO4), MgSO4 and CuSO4 solution diluted with hot distilled water (85-90℃) by 0, 5, 10, 20 and 30% for 30 seconds. We dried and applied petals ultraviolet rays for 21 days and examined into those discoloring degree. Hunter L*, a*, b* and △E* values for that immersed in Al2(SO4)3 and MgSO4 solution diluted by 30% showed the least discoloring degree. Discoloration of carnation petals in terms of Hunter L*, a* and b* values immersed in 30% diluted AlK(SO4 ) solution, and △E* values in 5% solution had the least changes compared with that in control. Those hunter L*, a*, b* and E* values treated with 20% CuSO4 diluted solution had the smallest changes. Consequently, it was assumed that immersing the yellow carnation flowers in diluted Al2(SO4)3, AlK(SO4), MgSO4 and CuSO4 solution was a appropriate way to preserve the petals from discoloration for the pressed flower.
축하화환에서 폐기되는 적색 거베라 추출액을 이용한 화훼디자인용 망사잎의 염색성
박윤점 ( Yun Jum Park ),안정숙 ( Hung Suk Ah ),김현아 ( Hyun A Kim ),김현주 ( Hyun Ju Kim ),최경혜 ( Koung Hea Choi ),허북구 ( Buk Gu Heo ) 한국화예디자인학회 2008 한국화예디자인학 연구 Vol.19 No.-
This study investigated special quality of Gerbera extract and stainability of skeletonized leaves along with examination for wasted at celebration wreath gerbera(Gerbera hybrida Hort.) use as nature dye. Dyed by gerbera extracts 1.50%, as the dyeing times increase 10 to 60 minutes, color differences were significant, and color value showed contrary tendency. a* value were 5.21 to 8.39 in case of skeletonized leaves. Effect of dyeing temperature, a* value showed the maximum value 9.07 of skeletonized leaves dyed at 90℃. They showed sudden increase at the extract density of 1.50% and showed slow increase at more than 1.50% density. a* value showed the maximum value 10.05 of skeletonized leaves dyed at 2.00% liquid. Stainability that follow for pH of extraction liquid is pH 1 to 8.29 and red color decreased a little in pH 3~7, and silk fabric in pH 7 move that to green direction in pH 5 appear. Color difference and color fastness according to the kinds of mordants and timing of mordants were getting significantly increased at the processing of mordants on the whole. Skeletonized leaves dyed by iron extract were significantly increased in case of the kinds of mordants, skeletonized leaves were bigger at the pre mordants. When treat mordanting after dyeing in gerbera extraction liquid by sequence of above, I could know various tone and red color, red-yellow, yellow etc. of become color development variously and value as nature dye.