Active MAP가 파프리카 신선편이 저장성에 미치는 영향

최인이(In-Lee Choi),유태종(Tae-Jong Yoo),정현진(Hyun-Jin Jung),김일섭(Il Seop Kim),강호민(Ho Min Kang),이용범(Yong Beom Lee) (사)한국생물환경조절학회 2011 생물환경조절학회지 Vol.20 No.3

파프리카 신서편이 제품화 및 품질과 저장성 향상을 위해 Active MA 조건을 비교 규명 하였다. Active MA 처리구와 진공처리, 일반 MA 포장 처리를 하였으며 생체중, 산소, 이산화탄소, 에틸렌 농도와 경도, 이취 전해질 누출량을 측정하였다. 생체중은 진공처리가 가장 큰 감소를 보였고 5 : 5 : 90(CO₂: O₂: N₂), 가장 낮은 감소 보였으며 다른 처리에서는 처리간의 큰 차이를 보이지 않았다. 산소, 이산화 탄소, 에틸렌 농도 변화는 30 : 10 : 60(CO₂: O₂: N₂) 처리가 산소 감소율과 이산화 탄소 증가율이 가장 크게 측정되었으며 그 외 처리는 감소율과 증가율에서 특별한 특징을 나타내지는 않았다. 에틸렌 농도는 30 : 10 : 60 처리조건이 가장 크게 측정 되었으며 MA 조건이 가장 적은 농도로 측정 되었다. 경도는 진공처리 조건이 가장 낮게 측정되었으며 이취의 경우 30 : 10 : 60 처리조건과 진공 포장 처리구의 이취 발생량이 가장 많은 것으로 평가 되었다. 전해질 용출량은 진공조건 처리가 70%로 가장 많았고 30 : 10 : 60 처리가 35%로 Active MA 조건에서 가장 많은 누출을 보였다. 이상의 결과로 볼 때, 진공처리와 고농도 이산화탄소 처리는 파프리카 신선편이 포장 처리에 적합하지 않으며 Active MA 처리시 10 : 70 : 20(CO₂: O₂: N₂)와 0 : 20 : 80이 가장 적합하다고 사료된다. The processing techniques are need to use the non-marketable paprika fruit because paprika that is difficult crop for cultivation and produced easily non-marketable fruits, such as physiological disorder fruit, malformed fruit, and small size fruit. This study was carried out to investigate the proper active modified atmosphere packaging (MAP) condition for enhancing the storability of fresh-cut paprika fruit. The fresh-cut paprika (cv ‘Score’, seminis) put into 7 ㎝ × 0.7 ㎝ size and packed them in 20 g bags. The active MAP and vacuum treated paprika fruits were packaged with LLDPE/Nylon, EVOH, Tie film, and injected partial pressures of CO₂ and O₂, and N₂ in the packages immediately after sealing to treat active MAP. The ratio of CO₂, O₂, and N₂ of active MAP conditions were 0 : 20 : 80 (air), 5 : 5 : 90, 30 : 10 : 60, 10 : 70 : 20 and vacuum treatment did not contain any gas. The passive packaging treated paprika packaged with 40 ㎛ ceramic film. After 7 days of storage at 9℃, the fresh weight decreased less than 2% in all treatments, and showed lower in 5 : 5 : 90 (CO₂ : O₂ : N₂) active-MAP treatment and higher in vacuum treatment than other treatments. The CO₂ and O₂ concentration in packages did not change remarkably in active-MA treatments except 30 : 10 : 60 active-MAP treatment that showed sharply decreased O₂, concentration and increased CO₂ concentration at 1st day of storage at 9℃. The ethylene concentration in package was the highest in 30 : 10 : 60 active-MAP treatment and the lowest in the passive MAP treatment that packaged with gas permeable film during 9℃ storage for 7 days. The 30 : 10 : 60 active-MAP treatments were not proper condition to storage fresh-cut paprika. The visual quality was maintained higher in 0 : 20 : 80 (air), 5 : 5 : 90, and 10 : 70 : 20 active MAP treatments and passive MAP treatment than others and the firmness, off-odor, and electrolyte leakage was investigated at 7<SUP>th</SUP> day of storage at 9℃. The 5 : 5 : 90 and 10 : 70 : 20 active-MAP treatment showed higher firmness and lower off-odor than other treatments after 7<SUP>th</SUP> day of storage at 9℃. In addition, the electrolyte leakage was reduced less than 20% at 0 : 20 : 80 (air), 5 : 5 : 90, 10 : 70 : 20, and passive MA treatments. Therefore, 10 : 70 : 20 (CO₂ : O₂ : N₂) and 0 : 20 : 80 (air) might be recommended for proper active MAP conditions.

MA저장 중 파프리카 과실의 품종별 품질 및 저장성 비교

최인이(In-Lee Choi),이용범(Yong Beom Lee),김일섭(Il Seop Kim),강호민(Ho-Min Kang) (사)한국생물환경조절학회 2012 생물환경조절학회지 Vol.21 No.3

본 연구는 장기 저장 유통을 위해 MA 저장에 적합한 품종 선발을 위해 2011년에 9개, 2012년에 12개의 파프리카 품종을 대상으로 품질과 저장성을 비교하였다. 2011년도 실험에서는 빨간색 품종 중에 과중, 경도 그리고 당도이 높고, 에틸렌 발생률이 낮으며 저장수 명도 23일로 두 번째로 길었던 ‘Mosanto 7044’이 노란색 품종에서는 경도와 당도가 높고, 에틸렌 발생률이 낮았던 ‘Stayer’가 우수하였다. 2012년도 실험에서는 빨간색 품종 중에 과중, 과피두께, 경도가 높고, 부패율과 에틸렌 발생률이 낮으며 저장 수명이 28일로 세 번째로 길었던 ‘Nagano’가, 노란색 품종에서는 과피두께, 당도, 비타민 C 함량이 상대적으로 높았고, 에틸렌 발생률이 낮으며 저장수명이 26일로 가장 길었던 ‘Freestar’가 가장 우수하였다. 과실 품질 특성과 저장수명과의 상관관계를 비교한 결과 에틸렌(r = ?0.5504)과 당도(r = 0.6112)가 고도의 상관 관계를 보였다. This study was carried out to compare the storability in MA storage and quality of paprika fruits among 9 cultivars grown in 2011 and 12 cultivars in 2012. ‘Mosanto7044’ was the most proper cultivar in red-type paprika has grown in 2011 for MA storage, because it showed relatively higher fruit weight, firmness, soluble solid content, and the lowest ethylene production rate, as well as the second longest shelf life. ‘Stayer’ was suitable cultivar in yellow-type paprika cultivated in 2011, because it showed higher firmness, soluble solid content and lower ethylene production rate than other cultivars. ‘Nagano’ was the most proper cultivar in red-type paprika has grown in 2012 for MA storage. Because it showed relatively higher fruit weight, firmness, flesh thickness and the lowest ethylene production rate and decay ratio, although the shelf life of ‘Nagano’ was the third longest (28 days). ‘Freestar’ was the excellent cultivar in yellow-type paprika cultivated in 2012, because it showed higher firmness, vitamin C content and lower respiration rate than other cultivars and the longest shelf life of 26 days. The shelf life had a high correlationship with ethylene production rate (r = ?0.5504), and soluble solid (r = 0.6112), as comparing with the shelf life and the fruit characteristics of 21 cultivars paprika has grown in 2011 and 2012.

특집논문 : 민주적 거버넌스와 시민사회 ; 거버넌스 시각에서 바라본 노사정파트너십: 노사정위원회의 사례를 중심으로

최인이 ( In Yi Choi ) 한양대학교 제3섹터연구소 2008 시민사회와 NGO Vol.6 No.1

This paper purposes to analyze the history of the Tripartite Committee in the past 10 years from the perspective of governance. Analyzing the Tripartite Committee from the perspective of governance is important in that it focuses on the interaction among labor, capital and the state, and the process and the outcome of negotiations. In this paper, the reason why the Tripartite Committee was not successful in Korean society was examined by looking at interactions among labor, capital and the state in terms of the dynamics of governance within the committee. As a result of examining the history of the Tripartite Committee, it was found that the committee as an institution to produce the social consensus had limitations in constituting the partnership among labor, capital and the state because each party of the committee did not fully develop the elements of democratic governance; participation, accountability, and empowerment. Therefore, the role of the committee has been suspected and criticized. Especially, the improper representativeness of each party, the distrust among parties and the power relations in the committee played a critical role in unsuccessful performance of the committee. In Korean society, the Tripartite Committee came to have a legal and institutional framework; however, it has not been successful in manufacturing consent and delivering the outcome of negotiation. Despite Limitations of the Tripartite Committee, its social significance will increase because more problems regarding employment relations will happen as neoliberal economic forces have a wide-spread influence on Korean national economy. The concept of democratic governance is useful to improve the role of the Tripartite committee when each party is fully willing to develop this existing institution.

몇가지 저장온도와 비천공 Breathable 필름이 아위버섯(Pleurotus ferulae) 저장수명과 품질에 미치는 영향

최인이(In-Lee Choi),손진성(Jin Sung Son),김영재(Young Jae Kim),권태호(Tae Ho Kwon),강호민(Ho-Min Kang) (사)한국생물환경조절학회 2012 생물환경조절학회지 Vol.21 No.3

본 실험은 다양한 저장온도 조건에서 아위버섯에 적합한 MAP용 포장재 구명을 위해 수행하였다. 저장중 생체중 감소는 저장온도가 낮을수록 적었는데, 모든 온도 처리(1, 8, 24℃)에서 저장 종료일까지 1.5% 이하로 낮았다. 1저장에서는 산소투과율이 1,300cc/m<SUP>2</SUP> · day · atm 인 필름 처리구가 가장 큰 저장수명(42일)을 보였으며 저장중 포장내 산소/이산화탄소의 대기조성 조건도 가장 적합한 MA조건인 5%/15% 수준이었으나,높은 에틸렌 농도와 이취를 보인 반면 3,000cc 처리구는 1,300cc 처리구와 비슷한 대기조성 조건을 갖추고 낮은 에틸렌 농도과 이취를 보였다. 따라서 1℃에서는 1,300cc와 3,000cc 필름이 적합하였다. 저장중 대기조성이 필름처리간 차이가 없었던 8℃ 저장에서는 에틸렌 농도가 두 번째로 낮았고 외관상 품질이 가장 높아 저장수명이 19일로 가장 길었던 3,000cc 필름이 적합하였다. 저장 온도가 높아 호흡이 급격히 빨라져 극도의 CA 조건이 만들어졌던 25oC에서는 외관상 품질에서 가장 양호하였던 1,300cc 필름으로 적합하였다. 또한 온도별 저장수명이 25℃에 비해 8℃는 4배, 1℃는 9배나 연장되어 수확 후 저온유통이 반드시 필요하다고 판단되었다. This study was carried out in order to investigate the effect of MA packaging material on quality and shelf life of ferulae mushroom (Pleurotus ferulae) at 1, 8, and 24℃ storage temperatures. We found that the fresh weight loss was less than 1.5% in all temperatures (1, 8, and 24℃) and non-perforated breathable films (1,300 cc, 3,000 cc, 5,000 cc, 7,000 cc, 10,000 cc, 15,000 cc, 20,000 cc, and 40,000 cc/ m<SUP>2</SUP> · day · atm oxygen transmission rate) treatments. The proper MA packaging material of ferulae mushroom was 1,300 cc and 3,000 cc films at 1℃ storage. Because 1,300 cc and 3,000 cc films showed proper level, 15% carbon dioxide and 5% oxygen concentration for MA storage, although the shelf life was higher in 1,300 cc (42 days) than 3,000 cc (38 days), and the ethylene concentration as well as off-order showed lower in 3,000 cc than 1,300 cc film. The 3,000 cc film was the most suitable for ferulae mushroom storage at 8℃, because atmosphere composition in package was not statistically significantly different among the film treatments. In addition, 3,000 cc film showed the second low ethylene concentration and the longest shelf-life of 19 days. The ferulae mushroom stored at 25℃ showed a vigorous respiration and resulted in an extreme CA condition in package at 5<SUP>th</SUP> day after storage, and showed the highest visual quality in 1,300 cc film. As the shelf life of ferulae mushroom at 1℃ and 8℃ storage were 8 times and 4 times longer than at 25℃ storage respectively, so the ferulae mushroom should be stored and distributed in cold chain system.

하도를 이용한 오수혈 오행배속 원리 고찰

최인서 ( In Suh Choi ),이봉효 ( Bong Hyo Lee ) 경락경혈학회 2014 Korean Journal of Acupuncture Vol.31 No.2

Five transport points are often used in acupuncture treatment. However, there is no clear explanation about the reason why the five transport points are matched five phases in this manner. Therefore, we reviewed the literatures and theses about the principal of matching and researched a new way to understand the reason. Methods : We found 8 theses and 3 literatures related to the matching of five transport points to five phases by searching the web sites. And, we reviewed the principal of matching and researched another new way to understand the reason why they are matched so. Results and Conclusions : In the viewpoint of the natural state and function of five phases, the start points arising in yin- and yang-meridian are matched to wood and metal respectively. Therefore, well point matches the wood and metal in yin- and yang-meridian respectively. And by following the flow of five transport points, the other points match with fire, earth, metal, water in yin-meridian and water, wood, fire, and earth in yang-meridian.

근대적 시간관념과 이윤개념의 내면화

최인이 ( In Yi Choi ) 한국사회사학회 2011 사회와 역사 Vol.0 No.90

이 글은 1970년대에 가장 자본주의적 관념과 심리적인 거리를 두고 살아왔던 농촌 여성들이 새마을부녀운동이라는 활동의 장을 통해서 자본주의적 개인으로 면모해가는 과정을 살펴보는 것을 목적으로 한다. 이를 위해 본 연구는 근대화 과정을 통해 개인들의 물질적 이윤추구는 더 이상 사회적으로 비난받을 일이 아니라는 사회적 정당화가 교육과 미디어를 통해서 이루어지면서 여성들이 자본주의적 개인화 과정이 더욱 가속화되어 지는 것을 수기와 구술 자료를 통해 확인하였다. 이 글은 이러한 과정을 보다 구체적으로 살펴보기 위해서 1) 새마을운동을 통해 각 마을단위에서 진행된 사업에 참여하는 과정에서 농촌 여성들의 ‘시간’과 ‘이윤’에 대한 인지가 어떻게 변화되는지 2) 새마을 사업을 직접 기획하고 진행하는 과정에서 근대적 시간과 이윤의 개념들을 어떻게 적용하게 되는지 3) 개인의 이윤 획득의 정당성 확보를 위해 공동체와 어떠한 방식으로 타협해 가는지에 초점을 맞추어 새마을부녀우동을 분석하였다. 이는 기존 농촌의 특성과 농촌 여성의 사회적 지위 그리고 근대자본주의적 시간, 이윤의 개념이 만나고 충돌하고 타협하는 과정을 보여주는 하나의 설명을 제공할 것이다. This study purposes to explore the way in which female farmers in rural area, who had had a psychological distance from the capitalist ideas, were transformed to the capitalist individuals through experiences in the New Village Movement (Saemaul Movement). In the process of modernization,. female farmers learned from the media and the social education that the individual pursuit of material profits would be justified in the capitalist society. Therefore, individualization of female farmers was sped up. In order to examine the process of individualization of female farmers, I analyzed the New Village Movement organized by female farmers by focusing on 1) how they got to recognize the concept of “time” and “profit” through participating in the New Village Movement, 2) how they applied the concept of “time” and “profit” for the planning and managing the activities of the New Village Movement, and 3) how they negotiated with the community to justify their activities fir gaining profits. This study will offer an explanation to address the female farmers` negotiation process between the traditional values and modern capitalist values in the 1970`s Korea rural society.

정부출연연구기관의 연구인력 비정규직화에 관한 연구 : 대전지역 과학기술분야 정부출연연 비정규직 연구노동자 사례를 중심으로

최인이 ( Choi In-yi ) 한국산업노동학회 2017 산업노동연구 Vol.23 No.1

Due to the management innovation policy that was introduced to government-supported research institutes (GSRI) in 1998, their employment structure has been continuously changing, with the most notable increase of the number of non-standard researchers and the diversification of employment contracts. This paper examines changes in the employment structure of GSRI over the last 20 years in relation to the introduction and operation of the PBS (project base system), which is a main factor that fundamentally changed the employment structure of research institutes. This paper purposes to analyze the current status of non-standard workers in the science and technology research area through interviewing standard and non-standard researchers. Under the PBS as a principle of organizing their research project, the project-managers cannot help but exploit non-standard researchers to process research within a tight budget. This structure of organizing research projects reinforces the increase of the number of non-standard researchers and diversification of non-standard employment relations. In addition, the wage and working conditions of non-standard workers are getting aggravated in this structure. Considering the characteristics of research institutes, precarious status of non-standard researchers will have negative effects on the development of science and technology.

비천공 Breathable필름이 장거리 모의 수출 조건에서 파프리카의 MA 저장중 품질과 저장수명에 미치는 영향

최인이(In-Lee Choi),유태종(Tae-Jong Yoo),김일섭(Il Seop Kim),이용범(Yong Beom Lee),강호민(Ho Min Kang) (사)한국생물환경조절학회 2011 생물환경조절학회지 Vol.20 No.2

캐나다까지 장거리 수출조건은 선적 후 통관까지 20일 동안은 7土1℃와 90% 상대습도가 유지되었고, 이후 저장창고 이송전에 3시간만에 13℃까지 상승한 후 저장창고 이송후 3일간 3~4℃와 90% 상대습도를 나타내었다. 이 후 상온조건의 판매소에서는 16℃에 60% 이하의 상대습도를 나타내었다. 이상의 유통조건을 기초로 7℃, 90% 상대습도에서 15일간 저장한 후 20℃, 55% 상대습도에서 7일간 저장하는 조건에서 MA저장 실험을 실시하였다. 포장방법에는 무처리와 기존의 유공포장(6㎜ 직경의 구멍이 18holes/㎡) 그리고 레이저로 가공한 3가지 비천공 필름 (산소 투과도 5,000과 20,000 그리고 100,000㏄/㎡ㆍdayㆍatm)로 하였다. 저장 중 생체중 감소는 3가지 비천공 필름처리구에서는 1% 이하였으나, 유공처리과 무처리는 4% 이상으로 품질 저하가 나타났다. 상온으로 이동한 저장 15일 후 포장재내 대기조성이 5,000㏄/㎡ㆍdayㆍatm 비천공필름처리는 산소 5%, 이산화탄소 15%를 나타 내었고, 20,000㏄/㎡ㆍdayㆍatm 비천공필름처리는 산소 16%, 이산화탄소 4~5%를 나타내어, 이들처리에서는 이산화탄소 농도가 파프리카의 적정 범위를 상회하였다. 포징재내 에틸렌 농도는 처리간 큰차이가 없었다. 저장 중 외관상 품질은 이산화탄소 농도가 적절하게 유지되었던 100,000㏄/㎡ㆍdayㆍatm 비천공필름처리에서 가장 높게 유지되었으며, 경도와 당도는 비천공 필름긴 차이에 통계적 유의성은 없었다. 이상의 결과로 보아 20일 이상의 장기 유통 중 판매가 상온에서 이루어질 경우 포장내 이산화탄소 농도가 3% 이하로 유지될 수 있는 100,000㏄/㎡ㆍdayㆍatm의 통기성을 가장 포장재가 파프리카 MAP에 적합하다고 사료된다. The aim of this study was investigated long distance export condition of paprika from Korea to Canada, and evaluated the effect of non-perforated breathable films on the storability of paprika during MA storage in the simulated long distance export condition. The long distance export condition of paprika from Korea to Canada was 7 ± 1℃ and RH 90% during shipping for 20 days, and then the temperature of that was increased to 13℃ for 3 hours during transferring from refrigerated container to storage room in Canada, and decreased 3~4℃ for 3 days before distributing to local markets. The temperature and relative humidity of local markets was 16℃ and 60%, respectively. The packing material treatments were non-packing, as control, perforated film (6 ㎜ diameter hole, 18 holes/㎡), and 3 kind of laser treated non-perforated films (oxygen transmission rate was 5,000, 20,000 and 100,000 ㏄/㎡ㆍdayㆍatm). Under the simulated long distance export condition; 7℃ and RH 90% for 15 days and then 20℃ and RH 55% for 7 days, the fresh weight loss of paprika was less than 1% in 3 kind of laser treated non-perforated film treatments but was more than 4% in control and perforated film treatment that showed severe deterioration of visual quality after 20 days of storage. The atmosphere of paprika packages was changed 5% oxygen and 15% carbon dioxide in 5,000 ㏄/㎡ㆍdayㆍatm treatment, and 16% oxygen and 4~5% carbon dioxide in 20,000 ㏄/㎡ㆍdayㆍarm treatment during room temperature storage after cold storage for 15 days. A carbon dioxide concentration of these 2 treatments was exceeded the optimal MA and CA condition. There was no significant difference in ethylene concentration among 3 kind of laser treated non-perforated film treatments. A paprika packed with 100,000 ㏄/㎡ㆍdayㆍatm non-perforated film showed the highest visual quality under the simulated long distance export condition. However, the firmness and soluble solids did not show any significant difference among 3 kind of laser treated non-perforated film treatments. Therefore, we may suggest that 100,000 ㏄/㎡ㆍdayㆍatm laser treated non-perforated film was the proper film for MAP of paprika under long distance export condition that was 7 ± 1℃ and RH 90% for 15 days, and then 20℃ and RH 55% for 7 days.

저장 환경과 숙기 정도가 파프리카 과실의 저장에 미치는 영향

최인이(In-Lee Choi),김일섭(Il Seop Kim),강호민(Ho-Min Kang) (사)한국생물환경조절학회 2008 생물환경조절학회지 Vol.17 No.4

우리나라 수출 작물로 가장 큰 비중을 차지하는 파프리카의 두 품종을 성숙 정도와 저장 조건을 달리하여 저장성을 비교하였다. 국내에서 많이 재배되는 'Special'과 'Fiesta' 두 품종을 수경재배하여 미숙과와 완숙과 상태로 수확한 후 무공 필름과 유공 필름으로 포장하여 4℃와 9℃에 저장하였다. 가장 긴 저장 수명을 보인 저장 조건을 4℃에 포장 내 5%의 이산화탄소와 10%의 산소 농도를 보인 무공처리였다. 무공처리의 경우 저장온도, 품종, 숙기정도에 관계없이 3~9㎕/l의 에틸렌 농도를 보였으나 경도와 생체중 유지에 효과적이었으며 유공처리와 비교해서 부패율에도 차이가 크지 않았다. 50% 착색된 반숙과의 과피색은 9℃와 무공 필름 처리에서 많이 착색되었으나, 완숙과 수준까지 진전되지는 못하였다. 4℃에서 20일간 저장한 후 상온에서 3일간 정치한 완숙 'Special'의 저온 장해 정도를 전해질 용출량과 호흡 속도로 비교한 결과, 무공필름 포장에서 가징 효과적으로 억제되었다. 따라서 파프리카의 장기 유통 및 저장을 위해서는 적절한 무공필름 포장과 저온장해가 발생하지 않는 범위의 저장장이 필요하리라 생각된다. The sweet pepper (paprika) is one of the most important exported vegetable crops in Korea. This study evaluated the storability of sweet pepper fruits between 2 cultivars with different maturities under different storage conditions. The sweet peppers ('Special' and 'Fiesta') were grown in a rockwool hydroponic system, and harvested two different maturities: half-maturity and full-maturity levels. The sweet pepper fruits were stored in MA(non-ventilated) and non-MA(ventilated) conditions at 4 and 9℃ for 20 days. The storability of sweet pepper fruit was the highest in 4℃ MA conditions that remained 5% carbon dioxide and 10% oxygen during the storage. The ethylene concentration in MA condition showed 2~8 ㎕/l regardless of storage temperatures, cultivars and maturities. The fruits packaged with non-ventilated film, showed lower weight loss, and higher firmness, and there was no different about decay ratio compared to the fruits packed ventilated film. The coloration of semi-matured fruit that colored 50% before storage progressed taster in non-ventilated packaging condition at 9℃, but their color did not changed as same as level of full-matured fruit. The electrolyte leakages and respiratory rate that estimated degree of chilling injury was highest in non-MA(ventilated) conditions of 'Special' full matured fruit placed at room temperature for 3 days following storage at 4℃ for 20 days. It may be suggested that sweet pepper fruit packed sealed (nonventilated) film and stored at non-chilling temperature can be maintained better quality for long term storage.

노인의학의 전망과 도전

최인아 ( In Ah Choi ),송영욱 ( Yeong Wook Song ) 대한내과학회 2017 대한내과학회지 Vol.92 No.3

Korean society is aging rapidly. Overall, 13.1% of the Korean population was elderly (age ≥ 65 years) in 2015, and this rate is expected to reach 40.1% in 2060. To prepare for this change, the Korean government has developed a long-term care insurance service and supports regional medical centers for the aged. It has established laws about life-sustaining treatment and directives to improve end-of-life care. Although the long-term care insurance currently provides `in-home service` and `aged care facilities,` it does not cover rehabilitation hospitals, which can prevent elderly individuals from accessing certain medical services. With the changing demographics, medical care requires change. Conventional medical care must be upgraded to provide suitable care for an aged society. It is important to support the activities of daily living, rather than simply prolonging life. This will require providing home- and community-oriented medical care to improve quality of life. It will also be necessary to train more geriatricians who understand the characteristics of elderly patients, provide comprehensive geriatric assessments, and lead other physicians in team-based medicine. Internists are already engaging in multidisciplinary collaboration and end-of-life care, which are critical qualities of leading geriatricians. Further discussion and consensus is needed regarding the training of geriatric medicine specialists in Korea. (Korean J Med 2017;92:225-234)