Korean Journal of Community Nutrition

Research Articles

[English]
Comparison of clinical characteristics and dietary intakes according to phenotypes of type 2 diabetes mellitus in South Korea: a cross-sectional study: Mi-Jin Kim, Ji-Sook Park, Sung-Rae Cho, Daeung Yu, Jung-Eun Yim; Korean J Community Nutr 2025;30(2):127-139. Published online April 29, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00059

Abstract PDF PubReader ePub: Objectives
Clinical nutrition treatment is the central part of diabetes management, such as prevention, treatment, and self-management of diabetes, and personalized clinical nutrition treatment, which enables improvement in patients with type 2 diabetes mellitus (T2DM). Our study aimed to contribute to the improvement of appropriate nutrition management in personalized treatment for obese and non-obese diabetes patients.
Methods
T2DM patients were recruited as participants, and 36 final participants were assigned to the lean diabetes mellitus group (LDM; body mass index [BMI] < 25 kg/m2) and the obese diabetes mellitus group (ODM; BMI ≥ 25 kg/m2). We assessed the dietary intakes, body composition, dietary habits, the Korean version of obesity-related quality of life, and biochemical indices.
Results
According to the phenotype’s comparison, the ODM group had a high prevalence of T2DM complications and hypertension, had a dietary habit of less than 10 minutes of mealtime duration and preferred fast food intake, and had a low obesity-related quality of life. However, the LDM group had a high choice of Korean dishes at the time of eating out and a high intake of vitamin C, and iodine because of the intake of vegetables and seaweeds.
Conclusion
We observed differences in diet, nutrient intake, and clinical characteristics according to the phenotype of T2DM patients. In particular, obese diabetes patients have an increased risk of cardiovascular diseases, bad dietary habits, and low obesity-related quality of life. Therefore, personalized nutrition treatment is needed in consideration of the risk of cardiovascular disease and dietary habits for patients in the ODM group, as well as determining the energy requirements of Korean patients with T2DM.

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[English]
Serum branch chain amino acids and aromatic amino acids ratio and metabolic risks in Koreans with normal-weight or obesity: a cross-sectional study: Ji-Sook Park, Kainat Ahmed, Jung-Eun Yim; Korean J Community Nutr 2024;29(3):212-221. Published online June 30, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.3.212

Abstract PDF PubReader ePub

Objectives
Metabolic disease is strongly associated with future insulin resistance, and its prevalence is increasing worldwide. Thus, identifying early biomarkers of metabolic-related disease based on serum profiling is useful to control future metabolic disease. Our study aimed to assess the association of serum branched chain amino acids (BCAAs) and aromatic amino acids (AAAs) ratio and metabolic disease according to body mass index (BMI) status among Korean adults.
Methods
This cross-sectional study included 78 adults aged 20–59 years in Korea. We compared serum amino acid (AA) levels between adults with normal-weight and adults with obesity and investigated biomarkers of metabolic disease. We examined serum AA levels, blood profile, and body composition. We also evaluated the association between serum AAs and metabolic-related disease.
Results
The height, weight, BMI, waist circumference, hip circumference, waist-hip-ratio, body fat mass, body fat percent, skeletal muscle mass, systolic blood pressure, and diastolic blood pressure were higher in the group with obesity compared to normal weight group. The group with obesity showed significantly higher levels of BCAA, AAA, and BCAA and AAA ratio. Further, BCAA and AAA ratio were significantly positively correlated with triglyceride, body weight, and skeletal muscle mass. The evaluation of metabolic disease risks revealed an association between the ratios of BCAAs and AAAs, hypertension, and metabolic syndrome.
Conclusions
Our study is showed the associations between BCAA and AAA ratio, obesity, and obesity-related diseases using various analytical approaches. The elevated BCAA and AAA ratio could be early biomarkers for predicting future metabolic diseases in Korean population.

Citations

Citations to this article as recorded by

The Role of Aromatic Amino Acids in Polycystic Ovary Syndrome through Patients’ Blood Metabolic Profiling: A Systematic Review of the Past Five Years
Apostolos Gkantzos, Stavros Kalogiannis, Olga Deda
Journal of Proteome Research.2025; 24(5): 2208. CrossRef

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