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항공사 객실승무원의 감정노동이 소진 및 이직의도에 미치는 영향
황승미(Seung Mi Hwang),윤지환(Ji Hwan Yoon) 한국호텔외식관광경영학회 2012 호텔경영학연구 Vol.21 No.2
This study investigates the relationships between flight attendants` emotional labor, burnout, and intention of turnover intentions of those attendants who are in direct contact with passengers. The quality of their service is acritical factor in maintaining productivity and profitability in the airline industry. The study reveals that flight attendants` emotional labor has a strong impact on their mental and physical burnout, which can be extended to turnover intentions. Since the emotional labor is unavoidable, part of a flight attendant`s job description is the effective management of emotion in providing quality service to passengers. The airline industry must realize that flight attendants` emotional labor is no longer the individual`s issue but an essentialelement determining the quality of service provided. Therefore, managing emotional labor should be treated as a critical aspect of the human resources management program in order to improve service quality and reduce turnover intentions. An effective mitigation plan needs to bedeveloped to manage flight attendants` emotional labor and the subsequent impacts on business productivity. This is particularly true for lowcostcarrierairlines, which lack effective human resources management in relative terms.
최경민,황승미,임지예,고은실,박종혁,문정혜,이민정,장지은,차정단,Choi, Kyung-Min,Hwang, Seung-Mi,Lim, Ji-Ye,Ko, Eun-Sil,Park, Jong-Hyuk,Moon, Jung-Hye,Lee, Min-Jung,Jang, Ji-Eun,Cha, Jeong-Dan 한국미생물·생명공학회 2015 한국미생물·생명공학회지 Vol.43 No.2
In this study, we investigated the effects of 40% ethanol extract of Red Ginseng (RGE) on the productions of inflammatory proteins in Antigen I/II (Ag I/II)-N, a recombinant protein isolated from Streptococcus mutans -stimulated in RAW 264.7 cells. RGE inhibited the expression of Ag I/II-N-induced pro-inflammatory mediators, both mRNA and protein synthesis levels, without any cytotoxic effects. Moreover, RGE significantly inhibited Ag I/II-N induced NF-κB translocation into the nucleus by preventing the degradation of inhibitor κB-α. In conclusion, RGE down regulates the expression of pro-inflammatory genes involved in the synthesis of NO and iNOS in Ag I/II-N-stimulated RAW 264.7 cells by suppressing NF-κB activity. 본 연구에서, 우리는 S. mutans Ag I/II 재조합단백질에 의해 유도되어진 염증유발 단백질의 발현에 홍삼 40% 에탄올 추출물의 효과를 알아보고자 하였다. 홍삼에탄올추출물은 Ag I/II 재조합단백질에 의해 유도되어진 염증유발물질들의 mRNA와 단백질의 발현을 억제하였다. 더불어 홍삼에탄올 추출물은 NF-κΒ p65가 핵내로 이용하는 것이 억제하였다. 결론적으로 홍삼 40%에탄올추출물은 NF-κB의 활성에 의해 NO 생성과 iNOS 발현이 조절되어지는 것으로 생각되어지며, 염증유발 관련 유전자들의 낮은 발현을 유도하는 것으로 관찰되어졌다.
게스트하우스의 지각된 가치가 인적서비스 품질과 고객충성도 및 재방문의도에 미치는 영향
박영진(Young Jin Park),황승미(Seung Mi Hwang),양재영(Jae Young Yang) 한국관광연구학회 2015 관광연구저널 Vol.29 No.12
The purpose of this research is to examine the influence of the perceived value of guesthouse on human service quality, customer loyalty, and intention to revisit, in order to provide a practical implication and to be used as a basic material of guesthouse-related academic research. In order to verify this research empirically, a survey questionnaire was distributed to and collected from foreign tourists who visited hanok guesthouses in Bukchon during the survey period from March 1st, 2015 to June 30th, 2015. The collected questionnaires were to conduct its reliability analysis and validity test using the SPSS 17 statistical package program, and to test the influential relationship between the variables of Perceived Value, Human Service Quality, Customer Loyalty, and Intention to revisit, using the exploratory factor analysis and the multiple regression analysis. The results of this study are as follows. First, demonstrated that the perceived value of guesthouse had a influence on human service quality, customer loyalty, and intention to revisit. Second, human service quality had a influence on customer loyalty and intention to revisit. This showed that managers maximize the perceived value of the guesthouse and the efforts to improve the human service quality is important. Therefore, to maximize the perceived value of the guesthouse, and to improve the human service quality that can ultimately increase your customer loyalty and also intention to revisit. The result of this study was to derive practical implications would be able to contribute to activating and operating profit improved management of the guesthouse.
김치로부터 분리한 Lactobacillus acidophilus C로 발효한 홍삼 및 복분자 발효물의 비만예방 효과
문혜정,이주희,이상천,이창현,최경민,차정단,황승미,고은실,이민정,장지은,최혜란,박종혁,Moon, Hye-Jung,Lee, Joo-Hee,Lee, Sang-Cheon,Lee, Chang-Hyun,Choi, Kyung-Min,Cha, Jeong-Dan,Hwang, Seung-Mi,Ko, Eun-Sil,Lee, Min-Jung,Jang, Ji-Eun,Choi, 한국유가공학회 2015 Journal of Dairy Science and Biotechnology (JMSB) Vol.33 No.2
본 연구에서는 한국의 전통발효식품인 김치로부터 L. acidophilus를 분리 동정하고, 이 균주를 이용하여 홍삼과 복분자 미숙과를 발효시킨 조성물을 동물모델을 이용하여 항비만효과를 검토하였다. 고지방식이를 섭취시킨 C57BL/6J 마우스에 L. acidophilus C 및 홍삼 농축액과 복분자 미숙과 분말을 발효시킨 혼합발효 복합물을 6주간 투여한 결과, 혼합발효 복합물을 투여한 군에서 체중증가량, 부고환 및 신장 주위 지방의 무게, 지방세포 크기와 간조직 내 지질 축적, 혈중 포도당 농도, 혈중GOT와GPT 농도및렙틴농도를감소시켰으며, HDL-콜레스테롤과 아디포넥틴의 농도를 증가시키는 경향을 나타낸 것으로 보아, L. acidophilus C를 단독투여한 실험군에 비하여 비만을 개선시키는 것으로 나타났다. 따라서 혼합발효 복합물은 비만개선용 식품소재로서의 가능성이 있을 것으로 기대되어지며, 추후에 혼합발효 복합물의 비만 개선 메커니즘을 규명하기 위한 연구가 더 필요할 것으로 사료된다. We investigated the anti-obesity effects of Lactobacillus acidophilus C isolated from kimchi and red ginseng and black raspberry mixture fermented by this strain. Experimental samples were prepared with 10% skim milk, 1% red ginseng extract and 1% immature black raspberry powder and without red ginseng extract and black raspberry fermented by this strain at $37^{\circ}C$ for 24 hour. Male C57BL/6J mice were randomly divided into 4 groups (a normal diet group (N), a high-fat diet group (HF), a high fat diet with L. acidophilus C (C), and a high fat diet with fermented mixture (CEx)) and were orally administered daily for 6 weeks at concentration of 2,000 mg/kg body weight. The results showed that weight gain, weight of periepididymal fat and perirenal fat, adipocyte size, lipid accumulation in liver, serum glucose concentration, serum GOT and GPT concentration and serum leptin were decreased and concentration of HDL-cholesterol and serum adiponectin were increased compared to HF group. These results suggest that fermented mixture (CEx) might be helpful in improvement of high-fat diet-induced obesity than only L. acidophilus C intake.