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방사선 조사 건고사리의 수화 복원성, 색상 및 조직감 특성
성태화,허옥순,김미리 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.1
The gamma irradiation effect of dried fernbraken was investigated on the physical and sensory qualities during and after soaking process. Dried fernbraken packaged in vacuum was irradiated up to 7 kGy with γ-ray produced by 132 Cs at 0℃. Moisture content and rehydration rate of gamma-irradiated fernbraken after soaking increased significantly depending on the irradiation doses(p<0.05). Lightness(L), redness(a) and yellowness(b) values of Hunter color system increased significantly in the gamma-irradiated fernbraken after soaking, compared with control, while the hardness and chewiness by the texture analyser decreased significantly in irradiated ones. Sensory evaluation results showed that the mean scores of flavor, appearance, taste, texture and over-all acceptability in soaked fernbraken irradiated were not significantly different from those in control, except higher preference score of texture in irradiated ones. From these results, it might be concluded that the irradiation does not affect the physical and sensory qualities of dried fembraken during and after soaking, especially in texture.
국내산 및 제초제 내성 콩(HS2906)의 일반성분, 무기질 및 지방산 조성
양윤형,이정희,김형진,윤원기,김환묵,김미리 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.1
Proximate analysis, mineral and fatty acid composition of three conventional domestic soybean cultivars and two imported ones including glyphosate-tolerant HS2906 were evaluated by AOAC method, ICP-AES and gas chromatography. There were several differences in the proximate analysis among three conventional domestic soybean cultivars ; higher crude fat in the cultivar Hwanggumkong, higher crude protein in Pungsankong, and higher carbohydrate and crude ash in Duyukong. The ranges of contents of proximate components of domestic cultivars were similar to the data previously reported. There were no significant differences in proximate analysis between conventional soybean WS82 and glyphosate-tolerant HS2906 ; 23.55~23.90% of crudefat, 34.22~35.55% of crude protein, 6.25~6.45% of crude ash, and 25.35~26.47% of carbohydrate. The mineral and fatty acid compositions of HS2906 were similar to those of conventional soybeans previously reported.
Kim, Mi-Yeon,Cheong, Sun-Hee,Kim, Min-Hee,Son, Chan-Wok,Yook, Hong-Sun,Sok, Dai-Eun,Kim, Jin-Hee,Cho, Yong-Sik,Chun, Hye-Kyung,Kim, Mee-Ree The Korean Society of Food Science and Nutrition 2009 Journal of medicinal food Vol.12 No.4
Daily consumption of an antioxidant-rich leafy vegetable mix (LVM) was assessed for beneficial effects on plasma lipid profiles, tissue lipid peroxidation, and oxidative DNA damage in C57BL/6J mice fed a high fat and high cholesterol diet (20% fat and 1% cholesterol, wt/wt) for 4 weeks. The LVM contained beet leaf, angelica, red leaf lettuce, dandelion, green cos lettuce, lollo rosso, romaine lettuce (12.5%, respectively), scotch kale, and red kale (6.25%, respectively). The mice (n=16) were randomly divided into either the control (high fat and cholesterol diet without LVM) or the LVM (high fat and cholesterol diet with 8% LVM supplement) groups after a 1-week acclimation. Lipid peroxidation as measured by thiobarbituric acid-reactive substances in the plasma, liver, heart, and kidney was significantly lower. Antioxidants (glutathione and $\beta$-carotene) and antioxidant enzyme activities (glutathione peroxidase, glutathione reductase, and superoxide dismutase) were improved in mice fed LVM diet. In the comet assay, tail extent moment, olive tail moment, and tail length were significantly less in the hepatocyte and lymphocyte DNA of the LVM group, indicating the beneficial effect of LVM on the resistance of hepatocytes and lymphocytes DNA to oxidative damage. Findings from the present study suggest that dietary supplementation with LVM may be useful for protecting cells from lipid peroxidation and oxidative DNA damage.
Phytate Determination in Various Cultivars of Korean Rice
Mee Ree Kim,Long Shuang Huang,석대은,Hyoung Chin Kim,Won Kee Yoon,Hwan Mook Kim 한국식품영양과학회 2006 Preventive Nutrition and Food Science Vol.11 No.2
To determine the amount of phytate in rice grains from various cultivars, two methods were employed and compared in respect of the accuracy and conveniency. Phytate in rice samples was extracted with HCl, and then the extracts were subjected to an anion-exchange column. Finally, the phytate in eluate was quantitated using two methods: one method is based on the complex formation between ferric ion and sulfosalicylic acid in the presence of phytate, and the other is the prior acid digestion of phytate sample, followed by the colorimetric determination of liberated phosphorus. Although two methods showed similar values of phytate in rice samples, the former method is simpler and more precise than the latter. Moreover, the former is more reliable for the samples with lower phytate levels. Especially, the dilution condition of rice sample before anion exchange column separation was important for the recovery of phytate in rice samples. Based on the former method, the amount of phytate in rice of various cultivars was estimated to range from 7.3 mg/g to 12.4 mg/g rice. This method would be useful for the determination of phytate in crop samples with a lower level of phytate, one of anti-nutrients in some agricultural plants. .
Kim, Mee-Ree,Lee, Kun-Jong,Kim, Yun-Bae,Sok, Dai-Eun The Korean Society of Food Science and Nutrition 1997 Preventive Nutrition and Food Science Vol.2 No.3
The effect of various vegetables commonly consumed by Koreans on the induction of glutathione S-trasferase(GST) activity in mice was assessd. The extract of vegetable dissolved in propylene glycol (5ml/kg body wt.) was administered to ICR female mice 6 to 8 weeks old via gavage during 5 days. The changes of body weight and liver weight of all treated groups were not significantly different compared with control group. Hepatic protein contents of trated groups compared with control group were not significantly different except BHT treated group. The induction of GST activity in liver cytosol of mice was the greatest with broccoli, followed by radish, wild green onion, turnip, and green onion. The induction of GST activity in liver cytosol increased up to 1.5 to 1.8-folds at a dose of 24 g fresh vegetable/mouse. The induction of combination between vegetables was the highest with the combination of broccoli and radish (1.83-fold), followed by that of broccoli and green onion (1.72-fold), and that of broccoli and turnip (1.50-fold).