Hwa Jung Lee

Sungkyunkwan University

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Jae Myoung Oh

Dankook University

Il Won Seo

Seoul National University

Hunseung Kang

Huazhong Agricultural University

Yong Eui Koo

National Institute of Food and Drug Safety Evaluation

Kyung Mi Hwang

National Institute of Food and Drug Safety Evaluation

Yoon Jung Kang

Pusan National University Hospital

Hyeon Suk Ham

Jin Hee Lee

Chungnam National University

Dong Hun Lee

Sungkyunkwan University

Hae Seong Yoon

National Institute of Food and Drug Safety Evaluation

Cooperative Institutions

Chonnam National University

Seoul National University

Yonsei University

Sungkyunkwan University

Korea University

National Institute of Food and Drug Safety Evaluation

Kyungpook National University

Hanyang University

Catholic University of Korea

Ministry of Food and Drug Safety

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A Qualitative Study on the Internal Experiences of Adolescent Victims’ Parents of the Sewol Ferry Disaster : Focused on Psychological-emotional, Physical, Cognitive, Behavioral Dimensions

THE KOREAN JOURNAL OF COUNSELING AND PSYCHOTHERAPY (2017)

Dong Hun Lee Choon Hwa Lee Ji Young Shin Minsoo Khang Jiyeol Jeon

본 연구는 세월호 재난 이후 2년이 지난 시점에서 세월호 재난으로 자녀를 잃은 부모의 내적 경험을 탐색하고자 수행되었다. 자료수집은 자녀를 잃은 부모 17명을 대상으로 개별 심층면담을 통해 이루어졌다. 수집된 심층면담 자료는 Krippendorff(2004)가 제안한 내용분석 절차에 따라 분석되었다. 연구결과는 4가지 차원('심리정서적 차원', '신체적 차원', '인지적 차원', '행동적 차원'), 25개 범주, 94개의 의미내용이 도출되었다. 심리 정서적 차원은 '무기력한 일상생활', '우울의 늪에 빠짐', '분노와 원망 삭히기', '공황증상', '자살충동에 휩싸임', '예민해지고 의심이 많아짐', '쉽게 짜증과 화를 내며 신경질적이게 됨', '사회적 공감능력의 상실' 8가지 범주, 신체적 차원은 '시력, 청력 문제', '신경성 두통 및 팔, 다리, 허리 통증', '소화기 계통 이상 증상', '불면', '면역력, 체력 저하', '여성 질환', '갑상선 이상', '혈압 문제', '치과 문제', '췌장염' 10가지 범주, 인지적 차원은 '기억력 감퇴', '집중력 저하', '죽음에 대한 의미 변화', '내 삶의 의미에 대한 변화' 4가지 범주, 행동적 차원은 '불규칙한 식습관', '흡연량의 증가', '음주에 관한 절제력 상실' 3가지 범주가 도출되었다. 본 연구결과를 바탕으로 논의와 시사점을 제시하였다.

10.23844/kjcp.2017.05.29.2.255

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Development of analytical methods of quercetin from health functional food of Hovenia dulcis fruit extract powder

한국식품영양과학회 산업심포지움발표집 (2015)

Jae Myoung Oh Sung Hye Lee Hyun Suk Oh Hwa Jung Lee Youn Ju Choi

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A nuclear-encoded chloroplast protein harboring a single CRM domain plays an important role in the Arabidopsis growth and stress response

BMC Plant Biology (2014)

Kwanuk Lee Hwa Jung Lee Dong Hyun Kim Young Ho Jeon Hyun‐Sook Pai

Although several chloroplast RNA splicing and ribosome maturation (CRM) domain-containing proteins have been characterized for intron splicing and rRNA processing during chloroplast gene expression, the functional role of a majority of CRM domain proteins in plant growth and development as well as chloroplast RNA metabolism remains largely unknown. Here, we characterized the developmental and stress response roles of a nuclear-encoded chloroplast protein harboring a single CRM domain (At4g39040), designated CFM4, in Arabidopsis thaliana. Analysis of CFM4-GFP fusion proteins revealed that CFM4 is localized to chloroplasts. The loss-of-function T-DNA insertion mutants for CFM4 (cfm4) displayed retarded growth and delayed senescence, suggesting that CFM4 plays a role in growth and development of plants under normal growth conditions. In addition, cfm4 mutants showed retarded seed germination and seedling growth under stress conditions. No alteration in the splicing patterns of intron-containing chloroplast genes was observed in the mutant plants, but the processing of 16S and 4.5S rRNAs was abnormal in the mutant plants. Importantly, CFM4 was determined to possess RNA chaperone activity. These results suggest that the chloroplast-targeted CFM4, one of two Arabidopsis genes encoding a single CRM domain-containing protein, harbors RNA chaperone activity and plays a role in the Arabidopsis growth and stress response by affecting rRNA processing in chloroplasts.

10.1186/1471-2229-14-98

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Relationship of sodium consumption with obesity in Korean adults based on Korea National Health and Nutrition Examination Survey 2010~2014

Journal of Nutrition and Health (2017)

Se Young Cheon Hye Won Wang Hwa Jung Lee Kyung Mi Hwang Hae Seong Yoon

Purpose: Excess sodium intake may contribute to the etiology of hypertension and cardiovascular disease risk. World Health Organization (WHO) recommends a daily sodium intake of less than 2 g. The aim of this study was to estimate the association of sodium intake with obesity in Korean adults. Methods: This study used Dietary intake and Health data on 22,321 subjects aged 30 years and over from the Korea National Health and Nutrition Examination Survey (KNHANES)2010~2014. Information on dietary intake was obtained by the one day 24-hour recall method in KNHANES, and sodium intake was classified into five groups (< 2,000 mg, 2,000~4,000 mg, 4,000~6,000 mg, 6,000~8,000 mg, ≥ 8,000 mg). Obesity was defined as having a body mass index (BMI) higher than 25 kg/㎡. Intake of sodium and obesity status were analyzed by logistic regression with SPSS Statistics 23. Results: Men tended to have a higher sodium intake than women (p < 0.001). After adjusting for age, sex, year, daily energy intake, education level, smoking status, drinking status, physical activity, and chronic diseases and comparing the highest sodium intake group (≥ 8,000 mg) with the lowest intake group (< 2,000 mg), the OR of obesity was 1.351 (95% CI: 1.032~1.767) in men. The OR of obesity in the sodium intake group (4,000~6,000 mg) was 1.232 (95% CI: 1.063~1.427) in women. Conclusion: Our findings suggest an independent relationship between sodium intake and as increased risk of obesity in Korean adults, implying the necessity for future research on low-sodium diet intervention in relation to obesity.

Consumption

10.4163/jnh.2017.50.1.64

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Development of Analytical Methods of Hyperoside from Rosa canina L.

Journal of Food Hygiene and Safety (2015)

Jae Myoung Oh Hwa Jung Lee Kyeong Nyeo Bahn Il Won Seo Young Joo Lee

본 연구에서는 일시적으로 관절염 증상 완화에 효과가 있는 건강기능식품인 Rosa Canina L.의 지표성분인 hyperoside를 분석하였다. 국내 외 분석법과 저널들을 참고하여 hyperoside의 HPLC 분석법을 확립하였다. Hyperoside의 HPLC 분석법은 이동상과 컬럼에 대한 실험을 통하여 Capcell Pak $C_{18}$ MG II 컬럼으로 353 nm으로 설정하였다. 시험 분석법 검증은 hyperoside에 대한 직선성, 정확성, 정량한계(LOQ) 및 정밀성을 수행하였다. Hyperoside은 $2{\sim}60{\mu}g/mL$ 농도에서 우수한 직선성($R^2=0.999$)을 나타내었다. 정확성의 회수율은 98~99%로 관찰되었으며, LOQ는 $0.393{\mu}g/mL$으로 나타났고, 재현성에 대한 정밀성은 상대표준편차가 0.6~2.6%로 관찰되었다. Rosa canina L. is health functional food materials that can help to temporarily relieve symptoms of arthritis. This study has been conducted to develop and validate analytical methods for hyperoside of Rosa canina L.. Methods based on HPLC with ultraviolet detection (UVD) were established through instrumental analytical conditions, and the examination of data, such as domestic and foreign reliable methods and journals. HPLC UVD analysis using Capcell Pak $C_{18}$ MG II column at 353 nm was determined on test through the column, mobile phase. The validation has been performed on the method to determine linearity, accuracy, limits of quantification (LOQ) and repeatability for hyperoside. The method showed high linearity in the calibration curve at a coefficient of correlation ($R^2$) of 0.999, and the LOQ was $0.393{\mu}g/mL$. Relative standard deviation (RSD) values of data from repeatability precision was between 0.6 and 2.6%. Recovery rate test at hyperoside scored between 98 and 99%. These results indicate that the established HPLC method is very useful for the determination of hyperoside in Rosa canina L. to develop a health functional material.

Hyperoside

Repeatability

10.13103/jfhs.2015.30.2.173

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이온크로마토그래프를 이용한 조제유류 및 영아용·성장기용 조제식 중 콜린 함량 분석법 연구

Kyung Mi Hwang Hyeon Suk Ham Hwa Jung Lee Yoon Jung Kang Hae‐Seong Yoon

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Discrimination of the Salted Cuttle Fish and the Salted Mitra Squid in Economically Motivated Authentication Food Using Electronic Nose Based on Mass Spectrometer

Food Engineering Progress (2011)

Eun Jeung Hong Ki Hwa Kim Sue Jee Park Jeong Ho Kang Dong-Sul Kim

In this study, discrimination of salted cuttle fish and salted mitra squid was carried out using electronic nose based on mass spectrometer. Intensities of each fragment from salted cuttlefish by electronic nose were completely different from those of salted mitra squid. Each sample was analyzed, and discriminant function analysis (DFA) was used for the discrimination of similar products. DFA plot indicated a significant separation of each salted cuttlefish and mitra squid (r2= 0.8789, F= 162.13). Electronic nose based on mass spectrometer could be used as an efficient method for discrimination of Economically Motivated Authentication (EMA) foods.

Electronic Nose

10.13050/foodengprog.2011.15.2.122

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Associations of Obesity and Dyslipidemia with Intake of Sodium, Fat, and Sugar among Koreans: a Qualitative Systematic Review

Clinical Nutrition Research (2016)

Yoon Jung Kang Hye Won Wang Se Young Cheon Hwa Jung Lee Kyung Mi Hwang

A qualitative systematic review was performed to identify associations of obesity and dyslipidemia with intake of sodium, fat, and sugar among Koreans. We reviewed 6 Korean research databases (KMbase, KoreaMed, NDSL, DBpia, RISS, KISS) with the keywords "sodium intake," "fat intake," and "sugar intake." Total of 11 studies were investigated in this present study. Of these articles, 7 studies were related to sodium intake, 2 studies had a relation to fat intake, and 2 studies were associated with sugar intake. We indicated general characteristics, concentration of serum lipids, nutrition intake, and statistically significant results. High sodium intake contributed to increased etiology of hypertriglyceridemia, high-density lipoprotein (HDL) hypocholesterolemia, and a risk of being overweight. Fat intake was significantly associated with body fat, low-density lipoprotein (LDL) hypercholesterolemia, and HDL hypocholesterolemia. Sugar intake from coffee drinks and sugar-sweetened beverages contributed to increased HDL hypocholesterolemia and continuous metabolic syndrome score. This qualitative review among Koreans represented that intake of sodium, fat, and sugar has a positive relationship with cause of obesity-related diseases. Especially, this present study has a great significance in terms of considered study that intake of the potentially hazardous nutrients among Koreans has an association with obesity and dyslipidemia. However, further studies such as randomized controlled trials on associations between sodium, fat, and sugar and obesity and dyslipidemia need to be continuously required in order to conduct quantitative systematic reviews and a meta-analysis for Koreans.

Dyslipidemia

10.7762/cnr.2016.5.4.290

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Quality Characteristics of Rice Scones Added with Spinach Powder as a Meal Substitute for Rice Utilization

Culinary Science & Hospitality Research (2023)

Hyo Kyung Choi Hwa Jung Lee Soo-In Ryu Jean Kyung Paik

In this study, the amount of consumption is small compared to the amount of rice production, and it is possible to replace wheat flour in a situation where there is concern about oversupply. The objective was to produce rice scones using spinach powder, which is rich in vitamins, minerals, and dietary fiber, and to explore ways to use rice. Spinach powder was prepared at ratios of 0%, 2%, 6% and 8%, and the moisture content, pH, sweetness, chromaticity, texture, total flavonoids, and DPPH radical scavenging activity were measured. As a result of the experiment, the moisture content of the spinach powder added group decreased from 16.57 to 15.66 as the amount of powder added increased. In the spinach powder addition group, the pH decreased from 7.49 to 7.37 as the powder addition amount increased. Sweetness showed the highest value in the 6% addition group, and the sweetness increased as the amount of spinach powder added increased from SS0 to SS6, but decreased at SS8. As a result of chromaticity measurement, the L-value was the highest in the control group, and decreased as the amount of spinach powder added increased. The a-value decreased with increasing amount of spinach powder from SS0 to SS6, but increased with SS8. The b-value was the highest in the 6% addition group. As the amount of spinach powder added increased, adhesivness, chewiness and springiness increased, and hardness decreased. Cohesiveness and gumminess were highest in the 6% addition group. Total flavonoid content increased significantly with increasing spinach powder loading. The DPPH radical scavenging activity increased from SS2 to SS8 as the amount of spinach powder added increased. As a result of this research, we confirmed the quality characteristics and antioxidant capacity through the production of spinach powdered rice scones, presented the possibility of expanding rice utilization methods, and discussed the limits of research.

Chewiness

Sweetness

10.20878/cshr.2023.29.7.001

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Stress Reduction Effect Using Face Manual Techniques

The Korean Journal of Oral and Maxillofacial Pathology (2018)

Hwa Jung Lee Chong Heon Lee

10.17779/kaomp.2018.42.3.002

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