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자색 양배추 물김치의 이화학적$\cdot$관능적 특성에 관한 연구
양윤형,박소현,안성미,김경민,김미리,Yang Yun-Hyoung,Park So-Hyun,Ann Sung-Mi,Kim Kyoung-Min,Kim Mee-Ree 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.5
Physicochemical and sensory properties of Mul-Kimchi(warery Kimchi) prepared with red cabbage was compared with those of Chinese cabbage or white cabbage. Acidity and turbidity of red cabbage Mul-Kimchi were somewhat higher than those of Chinese cabbage one, which was due to higher soluble solid content in red cabbage Mul-Kimchi. Hunter color a value of red cabbage Mul-kimchi was very much higher than that of Chinese or white cabbage, which was consistent with the data of anthocyanin content. Free radical scavenging activity was much higher in red cabbage Mul-kimchi than in Chinese or white cabbage one. Red cabbage Mul-kimchi had higher values of hardness, fracturability and chewiness during fementation, compared with those of Chinese or white cabbage one. Sensory results showed that there was no difference in overall acceptability among three kinds of Mul-kimchi, although red cabbage one has higher scores of appearance and color than others. Best to the results of this study, it is suggested that red cabbage is a good ingredient for Mul-kimchi.
스피루리나 첨가 샐러드 드레싱 보충 식이가 마우스 혈장 항산화 지표 및 DNA보호에 미치는 영양
양윤형,조흔,패넬로프 펠리프,이정희,이선영,조용식,전혜경,송경빈,김미리,Yang Yun-Hyoung,Xin Zhao,Felipe Penelope,Lee Tung-Hee,Ly Sun-Yung,Cho Yong-Sik,Chun Hye-Kyung,Song Kyung-Bin,Kim Mee-Ree 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.4
The effects of spirulina-added salad dressing on lipid profiles and antioxidant biomarkers such as total glutathionine, TBARS value, carbonyl value, GPx, GR, SOD and paraoxonase activity in plasma or liver of mice were evaluated Sixteen male ICR mice weighing 20$\pm$2 g were divided into two groups and fed low fat ($5\%$ fat) diet (low fat control: LFC) and low fat control plus dressing diet (LFD) for eight weeks. Body weight, tissue weights of liver, heart and kidney, and the distribution of body fat deposition were not significantly different between two groups. Also, the profile of TG, TC, LDL and HDL cholesterol were similar between two groups. The DNA damage was determined using the comet assay (single cell gel assay) with alkaline electrophoresis and quantified by measuring tail length (TL). Spirulina salad dressing consumption resulted in significant decrease in lymphocyte DNA damage expressed by TL (LFC: $28.8{\mu}m$, LFD: $20.3{\mu}m$). Additionally, salad dressing consumption for 8 wks decreased the lipid peroxidation assayed by TBARS to $12.6\%$ compared with the control. The levels of antioxidant vitamins such as $\beta$-carotene were significantly higher in plasma of LFD group than those in LFC group based on HPLC method This study shows that spirulina-added salad dressing exerts degenerative disease-protective effects on oxidative DNA damage and lipid peroxidation possibly via a free radical levels.
방사선 조사가 옹근죽(통쌀죽)의 미생물학적 및 이화학적 특성에 미치는 영향
양윤형,오상희,권오윤,변명우,이주운,박수천,김미리,Yang, Yun-Hyoung,Oh, Sang-Hee,Kwon, Oh-Yun,Byun, Myung-Woo,Lee, Ju-Woon,Park, Soo-Cheon,Kim, Mee-Ree 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.1
Ong-keun jook(Korean whole rice porridge)is a traditional Korean porridge made with whole rice. The aim of the present study was to evaluate the effects of gamma-irradiation on the microbial and physicochemical characteristics of rice porridge gamma-irradiation, even at a 1-kGy dose, decreased the total bacteria in cooked rice porridge to lower than the detectable limit($10^2CFU/g$). The viscosity of gamma-irradiated rice porridge was decreased compared to that of control. Upon examination of granule morphology by SEM, cracks were observed on the starch granules in samples irradiated at above 5 kGy. The results of the DSC curve suggest that gamma-irradiation delayed retrogradation of cooked rice porridge. Based on the present results, gamma-irradiation was helpful for developing sterile and tube diets that are needed for ill, old or infant subjects.
블렌칭과 $CaCl_2$ 첨가가 건식 절임법으로 제조한 오이지의 저장성 및 품질 특성에 미치는 영향
김청희,양윤형,김미리,Kim Chung-Hee,Yang Yun-Hyoung,Kim Mee-Ree 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.2
Effect of blanching and/or $CaCl_2$ addition on the quality characteristics of Oiji prepared by dry salting method, which has been used for industry, was investigated. Control$(15\%\;salt),\;CAO(15\%\;salt\;+\;0.04\%\;CaCl_2)$ and BCO $(15\%\;salt\;+\;0.04\%\;CaCl_2+blanching\;at\;60^{\circ}C\;for\;20\;min)$ for 165 days. Acidity was lower, but pH was higher in BCO than in the control or CAO. During the whole period of storage, greenness(-a) of BCO was maintained in Hunter color system, compared with the other groups. The numbers of total microbes, lactic acid bacteria and yeast were the lowest in BCO, while the highest in control. Moreover, texture profile analysis exhibited that fracturability and hardness maintained the highest in BCO during storage, compared with the other groups. Based on these results, combination of blanching and $CaCl_2$ addition is favorable to extend the shelf life and to maintain the good quality.
조흔,양윤형,조용식,전혜경,송경빈,김미리,Zao Xhin,Yang Yun-Hyoung,Cho Yong-Sik,Chun Hye-Kyung,Song Kyung-Bin,Kim Mee-Ree 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.3
Six kinds of spirulina added dressing $(0\~1.09\%)$ were prepared and their rheological, physical and sensory characteristics were evaluated The hardness and adhesiveness of spirulina-added salad dressing were increased with the added amounts of spirulina. Viscosity of spirulina-added salad dressing was not significantly different up to $0.28\%$ whereas that of dressing added more than $0.55\%$ spirulina significantly increased, compared with that without spirulina. Emulsion stability of all of spirulina-added salad dressings was $40\%$ Antioxidant activities of spirulina-added salad dressing increased with spirulina increased: $IC_{50}$ values of DPPH radical scavenging activity and lipid peroxidation inhibition activity of $0.28\%$ added-dressing were 104.98 mg/mL and $6.71{\mu}g/mL$ of TBARS, respectively, which were higher than those of mayonnaise. The fat globule size of $0.28\%$ spirulina-added salad dressing was distributed within $0.5\~4.0{\mu}m$, of which $85.6\%$ of total fat globules were consisted of the size of less than $1.5\{\mu}m$. Total microbial number of salad dressing was 6.2log(CFU/mL), but E coli was not detected Sensory preference test of spirulina-added salad dressing showed that scores of appearance, flavor, viscosity and over-all preference for $0.28\%$ added-dressing were the highest with 7.83, 7.50, 5.33 and 7.97, respectively. Based on these results, spirulina-added salad dressing might have heath promoting effect showing antioxidant activity, and the most appropriate concentration of spirulina for salad dressing was $0.28\%$.
석류 껍질 추출물이 고지방 고콜레스레롤 식이 급여 C57BL/6J 마우스의 항산화 지표 및 DNA 보호에 미치는 영향
오상희,양윤형,석대은,김미리,Oh Sang-Hee,Yang Yun-Hyoung,Sok Dai-Eun,Kim Mee-Ree 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.4
The present study evaluated the effects of pomegranate peel (Granati pericarpium) extract on the lipid profiles and antioxidant biomarkers in mice fed a high fat and cholesterol diet: the measured biomarkers included the TBARS value, GPx, GR, SOD and GST activities. Body fat depositions were significantly decreased in the group that received pomegranate peel. In addition, the activities of GPx, GST and SOD were significantly higher in the liver and plasma of the pomegranate peel group than in the control group. Also, the pomegranate peel diet decreased lipid peroxidation of the liver and kidney. Alkaline single-cell gel electrophoresis (comet assay) showed that the DNA damage in the plasma of the pomegranate peel group was decreased compared to that of control. The present results show that a diet with added pomegranate peel exerts protective effects against oxidative DNA damage and lipid peroxidation possibly via effects on the free radical levels in mice fed a high fat and cholesterol diet.