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Studies on Nutritionist's Perception and Usage of Rice Products among Foodservice Meals in Elementary School Foodservice in Gwangju and Jeonnam Area (광주전남지역 초등학교급식에서 쌀가루와 쌀가공제품 이용현황 및 영양(교)사의 인지도)

  • Kim, Eun-Sung;Kim, Ji-Myoung;Shin, Malshick
    • Korean journal of food and cookery science
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    • v.29 no.6
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    • pp.815-823
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    • 2013
  • To provide rice products in substituted for wheat flour and wheat products in elementary school foodservice, the survey for nutritionist in elementary school was accomplished from November 3rd to 8th, 2012 in Gwangju and Jeonnam area, and obtained 83 and 95 copies from Gwangju and Jeonnam, respectively. Most nutritionists were graduated from universities and had careers longer than 15 years. The nutritionists (56.7%) had worked at the schools where food allergy students were enrolled. The consumption of wheat flours per one student per month was 677.8 g in Gwangju and 707.4 g in Jeonnam. Udon and Jajangmyeon were more popular wheat products. Nutritionist agreed positively that rice products instead of wheat products were possible to use for meal menu (73.5% in Gwangju and 61.1% in Jeonnam). The frequent use of rice products was tteokbokkitteok, because of students' preference. The rice bread and tteokguktteok were preferred significantly higher in Jeonnam than in Gwangju. The advantages of rice products which perceived by nutritionists were benefits for health, digestive easily, and high nutritious, but their disadvantages were hard-to-find and expensive. The nutritional values of rice and recipes for cooking rice products were required as educational program for increasing consumption of rice products. Demonstration for rice cooking methods was selected most popular program. The application of rice products for school foodservice was preferred to Jeonnam compared to Gwangju (p<0.001). As a consequence, the nutritionists working in elementary school in Gwangju and Jeonnam area have positive thought about using rice products in school foodservice, if educational program of school foodservice menu using rice products should be demonstrated them.

Development and evaluation of a model for management of plant pests in organic cucumber cultivation

  • Ko, S.J.;Kang, B.R.;Kim, D.I.;Choi, D.S.;Kim, S.G.;Kim, H.K.;Kim, H.J.;Choi, K.J.;Kim, Y.C.
    • Korean Journal of Organic Agriculture
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    • v.19 no.spc
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    • pp.263-266
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    • 2011
  • Crop protection strategies in organic horticulture aim to prevent insect pest and plant disease problems through utilization of non-chemical based control means. In order to develop a model for management of plant diseases and insects in organic cucumber cultivation, we compared efficacies between chemical pesticide spraying system and biological control means in semi-forcing and retarding cucumber cultivation during 2005 and 2006. Conventional chemical spray program using various chemical pesticides was applied 5 - 10 days intervals, while two different non-chemical pesticide application programs using two formulated biopesticides Topseed$^{TM}$ and Q-fect$^{TM}$, Suncho$^{TM}$, and Sangsungje$^{TM}$ (biocontrol agents 1) and using egg-yolk and cooking oil(EYCO), Bordeaux mixture, Suncho$^{TM}$, and Sangsungje$^{TM}$ (biocontrol agents 2) were applied 5 - 7 days intervals during entire cucumber cultivation period. Efficacy of both biocontrol agents programs was effective to comparable to conventional chemical pesitice spray program to control plant diseases such as powdery mildew and downy mildew as well as insect pests such as aphids and thrips which are known as major threats in cucumber organic cultivation. In this study, we established and evaluated an effective and economic crop protection strategy using various biological resources can be used to control plant diseases and pests simultaneously in organic cucumber cultivation field.

Determination of tiropramide in human plasma by LC/MS/MS

  • Lee, Hye-Won;Ji, Hye-Young;Kim, Hee-Hyoun;Kim, Hae-Kyoung;Lee, Yong-Bok;Lee, Hye-Suk
    • Proceedings of the PSK Conference
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    • 2003.04a
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    • pp.277.2-278
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    • 2003
  • A liquid chromatography-tandem mass spectrometric (LC/MS/MS) method for the determination of tiropramide in human plasma was developed. Tiropramide and internal standard, cisapride were extracted from human plasma with MTBE at basic pH. A reverse-phase LC separation was performed on Luna C8 column with the mixture of acetonitrile-ammonium formate (10 mM, pH 4.5) (5:5, v/v) as mobile phase. (omitted)

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Estimating the Economic Value of Recreational Fishing in the Jeonnam Marine Ranching Area (여행비용모형을 이용한 전남 바다목장 해역 유어활동의 경제적 가치 추정)

  • Seo, Ju-Nam;Kim, Do-Hoon;Kang, Sung-Kyung
    • The Journal of Fisheries Business Administration
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    • v.43 no.2
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    • pp.41-49
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    • 2012
  • This study aimed to estimate the economic value of the recreational fishing in the Jeonnam marine ranching area as a part of the total socioeconomic evaluation of the Jeonnam marine ranching program. A travel cost method was applied to the estimation of economic value of the recreational fishing in the Jeonnam marine ranching area and input variables included annual fishing trip days, average travel cost per trip, average catch amount, monthly income, marriage, age, and personal perception on the marine ranching program. In the analysis, due to its characteristic of count data, both poisson model and negative binomial model were used. Model results indicated that a negative binomial model was statistically more suitable than the poisson model as the overdispersion problem occurred in the poisson model. All signs of the estimated parameters were estimated as previous studies showed. Based on the results, the economic value per trip of the recreational fishing in the Jeonnam marine ranching area was estimated to be 145,000 won and the annual total economic value of the recreational fishing in the Jeonnam marine ranching area was analyzed to be 2,514,000 won. In addition, the change of total value by catch rate showed that the economic value could be increased by 180,900 won as the catch increased by one kilogram.

Storage Conditions and Oviposition Methods for Gryllus bimaculatus (Gryllidae) Eggs (쌍별귀뚜라미(Gryllus bimaculatus) 산란방법 및 알 저장조건)

  • Kim, Seong-Yeon;Kim, Do-Ik;Koo, Hui-Yeon;Kim, Jung-Eun;Kim, Hyun-Jin;Lee, Yu-Beom;Kim, Ji-Soo;Kim, Ho-Hyuk;Han, Yeon-Soo;Kim, Young-Cheol
    • Korean journal of applied entomology
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    • v.59 no.2
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    • pp.133-138
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    • 2020
  • In 2016, the two-spotted cricket was approved as a general food ingredient by the Korean Ministry of Food and Drug Safety. Additionally, the two-spotted crickets have high protein content (60%) and can be reared throughout the year even during the overwintering period. In this study, storage conditions were set in case cricket breeding was not possible due to problems such as breeding space and labor costs, and selection oviposition mats to determine high fecundity rates and low cannibalism rates for the eggs were investigated. The oviposition mat was mostly composed of soil (p < 0.05). Less than 62 crickets per 10 litters were found to be best suited for 1 day of spawning, based on the cannibalism rate of the eggs during the egg laying period. The results from the hatched eggs indicated that the hatching extended 12 to 14 days, and the best hatching rate was approximately 85% when stored at low temperatures(16℃) for 10 days. An efficient production proposed method that established the best oviposition mat and egg storage method for the cricket.

Effects of 1-tetradecanol and β-sitosterol Isolated from Dendropanax morbifera Lev. on Skin Whitening, Moisturizing and Preventing Hair Loss (미백, 보습 및 탈모방지에 대한 황칠나무(Dendropanax modifera Lev.)에서 분리한 1-tetradecanol, β-sitosterol의 효과)

  • Lee, Sun Young;Choi, Eun-Jin;Bae, Dong-Hyuck;Lee, Dong-Wook;Kim, Sunoh
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.41 no.1
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    • pp.73-83
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    • 2015
  • Dendropanax morbifera Leveille (Araliaceae) is an endemic species growing in the south-western part of South Korea and has been used in folk medicine. However, the effects of Dendropanax morbifera Lev. on skin biology remain to be elucidated. In this study, we isolated 1-tetradecanol and ${\beta}$-sitosterol from the n-hexane fraction of Dendropanax mobifera Lev. and To investigate the whitening effect of the fraction, we tested the inhibition of tyrosinase activity of 1-tetradecanol. The results show that the inhibitory effect of the 1-tetradecanol was higher than water extract and n-hexane fraction. And 1-tetradecanol significantly reduced melanin contents of B16F10 cells compared to more than water extract and n-haxane fraction dose-dependantly without cell cytotoxicitiy (below $100{\mu}g/mL$). We also investigated the skin moisturizing effect using HR-1 hairless mice. The transepidermal water loss (TEWL) in the 1-tetradecanol treated group was significantly smaller than that in the other groups. To investigate the effect of the preventing hair loss by ${\beta}$-sitosterol, we observed HR-1 hairless mice through periodic growth feature. The results suggest that hair loss of mice by ${\beta}$-sitosterol was delayed and it's hair density showed the highest. These data provide evidence that Dendropanax morbifera Lev. may be a potent candidate for the improvement of both skin whitening, moisturizing and alopecia from the point of cosmetic industry view.