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Kinetic Modeling for Quality Prediction During Kimchi Fermentation
Hae-Kyung Chung,Kyung-Mok Yeo,Myung-Hwan Kim 한국식품영양과학회 1996 Preventive Nutrition and Food Science Vol.1 No.1
This study was conducted to develop the fermentation kinetic model for the prediction of acidity and pH changes in Kimchi as a function of fermentation temperatures. The fitness of the model was evaluated using traditional two-step method and an alternative non-linear regression method. The changes in acidity and pH during fermentation followed the pattern of the first order reaction of a two-step method. As the fermentation temperature increased from 4℃ to 28℃, the reaction rates of acidity and pH were increased 8.4 and 7.6 times. respectively. The activation energies of acidity and pH were 16.125 and 16.003kcal/mole. The average activation energies of acidity and pH using a non-linear method were 16.006 by the first order and 15.813 kcal/mole by the zero order, respectively. The non-linear procedure had better fitting to experimental data of the acidity and pH than two-step method. The shelf-lives based on the time to reach the 1.0% of acidity were 33.1 day at 4℃ and 2.8 day at 28℃.
( Yoomi Yeo ),( Kyung-il Han ),( Tae-hyung Kim ),( Youlim Kim ),( Chang Youl Lee ),( Hayoung Choi ),( Yeon-mok Oh ) 대한결핵 및 호흡기학회 2021 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.129 No.-
Purpose Bronchiectasis (BE) is a heterogeneous disease in etiology, co-morbidities, natural course and prognosis. Etiologic factor might cause the diverse manifestations of BE. Nontuberculous Mycobacterial pulmonary disease (NTM-PD) can directly cause bronchiectasis or make worse pre-existing BE. We evaluated the clinical characteristics of NTM caused BE. Method Patients were identified from 26 hospitals in Korea from August 2018 to December 2019, sorting from the cohort named Korean Multicenter Bronchiectasis Audit and Research Collaboration (KMBARC). The attending physicians determined the etiology of BE based on clinical data. We compared various clinical findings between the patients with NTM-caused BE (NTM-BE) and other patients(non-NTM-BE). Results A total 872 patients were included for analysis. Among the patients, 4.7% (46 of 872) were classified to NTM-BE group. NTMBE group showed higher proportion of female (76% in NTM-BE group, 55% in non-NTM-BE group, p< 0.005), lower body mass index (BMI) (21.7 vs. 23.0, p=0.027), lower proportion of patients with duration over 15 years with bronchiectasis (12 % vs. 26 %, p<0.05) and significantly lower portion of COPD (14% vs. 36%, p=0.002). Radiologically, NTM-BE group showed significantly different distribution especially involving more frequently right middle lobe (85% vs. 68%, p<0.001) and left upper lobe lingular segment (76% vs. 52%, p< 0.001), while less involvement of the lower lobes. Patients with NTM-BE group had significantly higher FEV1 (73.85% vs. 64.32%, p=0.008) and FVC (79.77% Vs. 72.94%, p=0.021). Patients with NTM-BE showed no significant difference in the comorbidities, current medications, exacerbation in the previous year nor history of hemoptysis. Conclusions NTM-BE patients in Korea showed different clinical features such as more female, lower BMI, less patient with long duration of BE, different location of BE and better pulmonary function compared to non-NTM-BE patients. Further research should be followed for long term clinical course of NTM-BE.
Kinetic Modeling for Quality Prediction During Kimchi Fermentation
Chung, Hae-Kyung,Yeo, Kyung-Mok,Kim, Nyung-Hwan The Korean Society of Food Science and Nutrition 1996 Preventive Nutrition and Food Science Vol.1 No.1
This study was conducted to develop the fermentation kinetic model for the prediction of acidity and pH changes in Kimchi as a function of fermentation temperatures. The fitness of the model was evaluated using traditional two-step method and an alternative non-linear regression method. The changes in acidity and pH during fermentation followed the pattern of the first order reaction of a two-step method. As the fermentation temperature increased from 4$^{\circ}C$ to 28, the reaction rates of acidity and pH were increased 8.4 and 7.6 times, respectively. The activation energies of acidity and pH were 16.125 and 16.003kcal/mole. The average activation energies of acidity and pH using a non-linear method were 16.006 by the first order and 15.813 kcal/mole by the zero order, respectively. The non-linear procedure had better fitting 개 experimental data of the acidity and pH than two-step method. The shelf-lives based on the time to reach the 1.0% of acidity were 33.1day at 4$^{\circ}C$ and 2.8 day 28$^{\circ}C$.
Minsu Kim,Hyejung Mok,Woon-Seok Yeo,Joong-Hoon Ahn,Yoon Kyung Choi 고려인삼학회 2021 Journal of Ginseng Research Vol.45 No.5
Ginseng has long been considered as an herbal medicine. Recent data suggest that ginseng has anti-inflammatory properties and can improve learning- and memory-related function in the central nervous system (CNS) following the development of CNS neuroinflammatory diseases such as Alzheimer’s disease, cerebral ischemia, and other neurological disorders. In this review, we discuss the role of ginseng in the neurovascular unit, which is composed of endothelial cells surrounded by astrocytes, pericytes, microglia, neural stem cells, oligodendrocytes, and neurons, especially their blood-brain barrier maintenance, anti-inflammatory effects and regenerative functions. In addition, cell-cell communication enhanced by ginseng may be attributed to regeneration via induction of neurogenesis and angiogenesis in CNS diseases. Thus, ginseng may have therapeutic potential to exert cognitive improvement in neuroinflammatory diseases such as stroke, traumatic brain injury, multiple sclerosis, Parkinson’s disease, and Alzheimer’s disease.
의학적 피부관리를 위한 의료기기의 사용과 법률에 대한 고찰
여운철 ( Un Cheol Yeo ),정찬우 ( Chan Woo Jeong ),한승경 ( Seung Kyung Hann ),김홍직 ( Hong Jig Kim ),한을남 ( Eul Nam Han ),박기범 ( Ki Beom Park ),최광호 ( Kwang Ho Choi ),목혜수 ( Hae Soo Mok ),문병천 ( Byung Chun Moon ),김용상 대한피부과학회 2009 대한피부과학회지 Vol.47 No.11
Background: Medical skin care is essential for the treatment of skin diseases all over the world. Medical skin care is also part of medical practice and this must be differentiated from the simple skin care that is given for normal healthy skin. Objective: We wanted to discuss medical skin care and the related medical devices and legal issues. Methods: We reviewed the related laws and regulations, we consulted experts and associations and we analyzed the result of the survey. Results: Legally, medical skin care and simple skin care are well classified. However, many illegal procedures are still performed by non-medical personnel and many adverse effects have been reported as a result. Furthermore, there are no legal restrictions for the performer based on the grade of each medical skin care procedure. Conclusion: For the best results and safe procedures, medical skin care must be performed by approved medical equipment under the supervision of a physician or medical personnel. Continuous control and guidance by the government is strongly needed. (Korean J Dermatol 2009;47(11):1236~1245)
최종효,박세경,노미오,정찬희,정정화,박형규,김여주,목지오,김상진,김철희,변동원,유명희,서교일 순천향의학연구소 2008 Journal of Soonchunhyang Medical Science Vol.14 No.1
Severe hypertriglyceridemia is a rare condition in pregnancy, which can be a life-threatening complication if the degree of hypertriglyceridemia is severe enough. Most cases of severe gestational hypertriglyceridemia that have been reported previously in the literature were caused by genetic mutations or familial. hypertriglyceridemia secondary to lipoprotein lipase deficiency or apolipoprotein C-II deficiency. but reports of severe gestational hypertriglyceridemia is rare in korea. We report a case of recurrent severe hypertriglyceridemia induced pancreatitis in pregnancy. 임신 중에 중증 고중성지방혈증은 드물게 발생한다. 하지만 중증 고중성지방혈증에 의해 중증의 췌장염이 발생할 경우 산모나 태아에게 치명적인 합병증이 될 수 있다. 저자들은 임신시 재발한 고중성지방혈증에 의해 발생한 췌장염 중례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다.
권혁세(Hyuck-Se Kwon),신현경(Hyun-Kyung Shin),권상오(Sang-O Kwon),여경목(Kyung-Mok Yeo),김상무(Sang-Moo Kim),김복남(Bok Nam Kim),김진경(Jin-Kyung Kim) 한국식품영양과학회 2009 한국식품영양과학회지 Vol.38 No.10
본 연구의 목적은 향신료로서 한국인의 식생활에 중요한 위치를 차지하고 있는 홍고추가루 수용성 추출물의 항염증 활성을 검토해보고자 수행되었다. 그 결과 홍고추가루의 수용성 추출물은 LPS 처리에 의한 NO 및 PGE₂의 생성을 현저히 억제시키는 것을 관찰할 수 있었으며, NO의 생합성효소인 iNOS 단백질의 발현 또한 억제시킴을 확인할 수 있었다. 홍고추가루의 수용성 추출물은 염증성 사이토카인인 IL-6의 생성억제 효과도 탁월하였다. 이러한 연구결과로 볼 때 고추의 수용성 추출물이 대식세포에 의해 생성되는 염증반응의 매개물질인 NO, PGE₂, IL-6의 생성을 억제함으로 염증반응을 완화시켜 주는 것으로 판단된다. 차후 항염증 활성을 갖는 홍고추가루의 수용성 추출물의 성분을 동정하는 연구가 필요할 것으로 사료되며, 고추가 식품유래의 항염증 활성을 갖는 제품 개발에 있어 유용한 식품자원 원료로 사용될 수 있을 것으로 생각된다. Inflammation is a pivotal component of a variety of diseases, such as atherosclerosis and tumour progression. Various naturally occurring phytochemicals exhibit antiinflammatory activity and are considered to be potential drug candidates against inflammation-related pathological processes. Red pepper is the most consumed species in Korea. However, the antiinflammatory effects of red pepper have not been characterized. Thus, the present study was designed to evaluate the effects of the aqueous extract from red pepper (RPAE) on lipopolysaccharide (LPS)-induced inflammatory responses in murine macrophages. RPAE demonstrated strong antiinflammatory activity through its ability to reduce nitric oxide and prostaglandin E2 production in the LPS-stimulated mouse macrophage cell, RAW264.7. It also inhibited the production of interleukin-6 (IL-6) on the LPS-stimulated RAW264.7 cells. Further study indicated that LPS-stimulated induction of inducible nitric oxide synthase and cyclooxygenase-2 was significantly inhibited by RPAE exposure (1,000 ㎎/mL) in RAW264.7 cells. Collectively, these data suggest that the use of RPAE may be a useful therapeutic approach to various inflammatory diseases.