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황금희,임현숙 全南大學校家政科學硏究所 1992 生活科學硏究 Vol.2 No.-
This study was conducted to analyze the riboflavin content of major foods which suppling riboflavin to Korean diet. It has been pointed out that the values of riboflavin content in the Food Composition Tables are different from the real contents. Riboflavin is destructed easily by exposure to oxygen or light. Therefore the ribofavin content of foods might be decreased during cooking. So the riboflavin content of the experimental diets consumed by 8 subjects, adult Korean women, during 1 week was analyzed by AOAC method and compared to the values of 2 Food Composition Tables published by Korean Population Institute and by Rural Nutrition Institute respectively. And also, the riboflavin content of 22 major foods was analyzed by the above method and compared to the values of the above Food Com-position Tables. The mean analyzed value of riboflavin of the experimental diets was 0.74 mg, and calculated values according to the above Food Composition Tables were 1.30 mg and 1.34 mg, respectively. The analyzed values were 56.6% and 55.2%, respectively, of the above 2 calculated values according to 2 Food Composition Tables. The major sources of riboflavin were milk, egg, Korean cabbage, rice, beef and so on. Among the foods of riboflavin sources, the values of 9 foods such as pork, hair-tail(fresh), cucumber, lettuce, leek, stem of sweetpotato, red-pepper(dried), tangle(fresh), apple(Fuji) were consistent well with the values of Food Composition Table. But the values of 13 foods such as milk, egg, Korean cabbage, rice, beef, laver, onion, large green onion, Korean radish, galric, green-pepper, carrot, shrimps(soued) were considerably different from the values of Food Composition Tables.
Metabolomic profiling analysis for biomarker discovery in human disease
Geum-Sook Hwang(황금숙) 한국분석과학회 2021 학술대회논문집 Vol.2021 No.11
Metabolomics is the technology of studying, profiling, and fingerprinting metabolites in various physiologic states. This approach has recently demonstrated enormous potentials in many fields such as genotype discrimination, toxicological mechanism, disease processes, and drug discovery. Metabonomic approaches have been used to generate comprehensive biochemical profiles of low molecular weight endogenous metabolites for biofluides and tissue. This metabolic profile is perturbed in a characteristic fashion in disease, toxic process and drug efficacy, and this shift in position can be readily visualized and modeled using chemometric techniques. The metabolic profile of biofluids shows changes of their composition in response to toxic or disease-induced stress due to the system"s attempt to maintain homeostasis. These methods constitute a metabolomic approach to study the quantitative metabolic consequences of patho-physiological insult. Understanding the biochemical reason for such a shift in metabolic space leads to the identification of biomarkers of disease or drug efficacy. ¹H NMR and Mass spectrometry (MS) were used to generate a molecular fingerprint of biofluid or tissue samples, and then pattern recognition technique was applied to identity molecular signatures associated with the specific diseases or drug efficiency. Several metabolites that differentiate disease samples from the control were thoroughly characterized and the metabolic changes in human and animal model were investigated using ¹HNMR and MS. Spectral data were applied to targeted profiling and spectral binning method, and then multivariate statistical data analysis (MVDA) was used to examine in detail the modulation of small molecule candidate biomarkers. The metabolic profiling produces robust models, generates accurate metabolite concentration data, and provides data that can be used to help understand metabolic differences between healthy and disease or drug treated models. Such metabolic signatures could provide diagnostic markers for a disease state or biomarkers for drug response phenotypes, and mechanistic information on cellular perturbations and pathways.
( Hyoun-sook Song ),( Hee-sun Kim ),( Kyu-min Lee ),( Sung Won Han ),( Geum Joon Cho ),( Han-sung Hwang ) 대한산부인과학회 2018 대한산부인과학회 학술대회 Vol.104 No.-
Objective: Sudden sensorineural hearing loss (SSNHL) in pregnancy is rare. It is believed that the changes of hormone levels may increase thrombogenic risk and interrupt cochlear microcirculation, causing the development of sudden deafness in pregnancy. This study aimed to investigate the incidence and to evaluate the risk factors associated with SSNHL during pregnancy. Methods: We enrolled 401,470 Korean women who had delivery between January 1, 2010, and December 31, 2014 including 459 women with SSNHL. And we had undergone a national health screening examination through the National Health Insurance Corporation. Results: We evaluated the risk factors between 459 women with SSNHL in pregnancy and 401,011 without SSNHL. There were no statistically significant differences in the maternal age, parity, method of delivery, and gestational age at delivery. There were no differences in BMI, blood pressure, fasting blood sugar, and cholesterol level between the two groups. After the adjustment of maternal age on multivariate analysis, SSNHL in pregnancy did not increase the risk for gestational hypertension, preterm birth less than 37 weeks gestation, small-for-gestational age, large-for-gestational age, postpartum hemorrhage, placental previa, and placental abruption. Conclusion: SSNHL can occur throughout the pregnancy and is not associated with maternal identified systemic diseases. It also does not increase risks during delivery or adverse perinatal outcome.
어촌과 도시지역 여고생의 영양실태 , 체조성 및 혈액성상에 관한 연구
황금희(Geum Hee Hwang),허영란(Young Rahn Huh),임현숙(Hyeon Sook Lim) 한국가정과학회 1998 한국가정과학회지 Vol.1 No.1
The purpose of this study was to examin height, weight and body composition, nutrient intakes and serum lipids for high school girls in urban and fishing area. The subjects consisted of 78(44 fishing and 34 urban) high school girls aged in average 17.3 and 17 years. Their dietary intakes were assesed for 1 day by means of 24 hours dietary recall method. Concentrations of serum lipids, percentage of body fat and volume of total body water were measured. The mean energy intake of the subjects were 1431 ㎉ in fishing and 1659 ㎉ in urban area. The subjects in fishing area(urban) consumed 58(67) g protein, 27(36) g lipid, 459(634) ㎎ calcium, 676(945) ㎎ phosphorous, 11(14) ㎎ iron, 786(574) RE retinol, 2.8(3.6) ㎎ tocopherol, 0.9(1.0) ㎎ thiamin, 1.2(1.1) ㎎ riboflavin, 16.9(20.5) ㎎ niacin and 64.1(92.8) ㎎ ascorbic acid, respectively. Energy, calcium, iron and tocopherol intakes were lower than the Korean RDA in both girls. The mean percentage of body fat of fishing girls were 19.8% and significantly lower than 25.6% in urban. These values seem to fall in the desirable range in fishing girls, but high school girls in urban is seemed to overweight. The mean saturated fatty acid(SFA), monounsaturated fatty acid(MUFA), polyunsaturated fatty acid(PUFA) and dietary choesterol(Chol) intakes were 7.3 g, 8.1 g, 7.2 g and 263 mg for fishing girls were 13.1 g, 12.1 g, 9.1 g and 216 mg for urban girls respectively. The fat, SFA and MUFA intakes in fishing girls were significantly lower than urban girls. The P/M/S ratio was 0.9/1.1/1 for fishing, was 0.7/0.9/1 for urban. The mean serum triglyceride(TG), total choesterol, HDL-cholesterol, LDL-cholesterol concentrations were 77.7(61.8) ㎎/dl, 124.5(142.3) ㎎/dl, 59.3(22.4) ㎎/dl and 49.6(1(Y7.8) ㎎/dl in fishing girls(urban girls), respectively. All of these values seem to fall in the desirable range but HDL-chlesterol concentrations in fishing girls were significantly higher than urban girls and LDL-cholesterol concentrations in fishing girls were significantly lower than urban girls. There were positive correlation between body fat percent and total cholesterol or LDL-cholesterol concentration : negative correlations between between body fat percent and HDL-cholesterol concentration: positive correlation between fat intake and LDL-cholesterol concentration : negative correlation between serum HDL-cholesterol concentration and fat or SFA or MUFA intakes.
Optimization of extraction conditions for the UPLC Analysis of Anti-diabetic Compounds
Nam-Sook Kim,Kyu Yeon Kim,Geum Joo Yoo,Ji Hyun Lee,Hyoung-Joon Park,Taeik Hwang,Seok Heo,Jeong-Hwa Cho,Jun-hyoung Kim,Dong Woo Shin,Chang-Yong Yoon,Sung-Kwan Park,Sun Young Baek 한국식품영양과학회 2016 한국식품영양과학회 학술대회발표집 Vol.2016 No.10