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식물성 질소원의 보충이 면양에 의한 볏짚의 소화율에 미치는 영향
이희섭,강희신 ( Hee Seob Lee,Hi Shin Kang ) 한국축산학회 1980 한국축산학회지 Vol.22 No.2
Three Corridale male sheep were fed each of the three diets; Acacia leaf hay alone (AL), chopped rice st raw plus near isonitrogeneous quantity of Soybean oil meal (RS) or Acacia Leaf Hay(RA) according to a Latin square design to studs the effect of supplemental nitrogen on the digestibilities of nutrients and the voluntary intake of rice straw. The results obtained from the above trial were summarized as follows: (1) The voluntary feed intake of acacia leaf hay was found to he 935g/day and its digestibility of dry matter, crude protein and crude fibre were 51.8, 46.0 and 52.0% respectively. (2) Although the total UM intake were not affected by the supplemental nitrogen sources, the intake of chopped rice straw by the sheep at the RS was 11.7% higher thar that of RA. (3) The crude protein intake of sheep at the AL was higher (p. 05) than those of RS and RA. The crude protein digestibility of RS, however, was higher than those of AL and RA as much as 71.7% and 64.2%. (4) Despite the trend that the liber intake of sheep fed chopped rice straw, RS and RA, were higher than that of AL as much as 49.3% and 64.3% the digestibility of crude fiber showed no significant difference among the treatments. The difference between the RS and AL., however, was significant at level of 10% probability. The total digestible nutrients of chopped rice straw was calculated to be 50% in DM basis by employing the TDN value of known Soybean oil meal and Acacia leaf hay.
이희섭,김상운(Sang Woon Kim),이수정(Soo Jung Lee),심민철(Min Chul Shim),권굉보(Koing Bo Kwun) 대한두경부종양학회 1995 대한두경부 종양학회지 Vol.11 No.1
We analyzed the results of ethanol sclerotherapy in 47 patients with cystic thyroid lesion. Cytologic study showed all of the lesions to be benign. The patients were followed clinically and ultrasonically I month and 3 or more months after ethanol sclerotherapy. If the cystic lesions recurred, repeated treatment was offered. In 4 patients with pure cystic lesion, all of the patents had almost total resolution of the cystic lesions. In 43 patients with mixed cystic lesion, 16(37.2%) patients had almost total resolution of the cystic lesions, 10(23.3%) patients showed a decrease' in the cystic lesion of <50%, but 11(25.6%) patients it did not change in size. Overall, in 30(63.8%) patients the cystic lesion decreased in size. Eleven patients who were not effective by sclerotherapy or follicular proliferation by cytology were converted to surgery. Although no severe complication were observed, there were complication of severe pain in I patient and a drunken feeling in I patient. If the malignancy must be excluded by repeated cytologic examination of aspirated fluid, we consider instillation of ethanol into the cystic lesions of the thyroid to be a simple, safe, economical and effective treatment.
해류를 이용한 해양쓰레기 처리시설 계획방안 -인천광역시 강화군 여차리 일대 환경계획안-
이희섭(Lee, Hee-Seop),이석주(Lee, Suk-Ju),이명아(Lee, Myung-A) 한국주거학회 2019 한국주거학회 학술대회논문집 Vol.31 No.2
Global warming and environmental pollution have become a serious social issue. Also, various waste disposal problems are inevitable. In other words, since these wastes can contaminate and invade people"s quality of life and their homes, there is a great need for people to solve environmental problems and solve the waste issues. In particular, marine debris has become more than just water and environmental pollution, polluting our quality of life and our communities. The absence of facilities that only deal with marine debris is serious, but simply waste management facilities must be properly planned and implemented. In other words, it is necessary to accurately understand the needs of the residents and to understand and approach on the cultural level and on the basis of lifestyle. Therefore, this study aims to plan marine debris disposal facilities using the characteristics of ocean currents. In order to plan the marine debris disposal facility, it is necessary to first evaluate the residential environment and the degree of damage of residents and fishermen near the coastline where garbage is collected due to currents in Korea. And it is necessary to maximize the processing capacity by calculating scientific evidence using currents. The marine debris disposal facilities utilizing these currents will ultimately have a great meaning to preserve the global environment, and will protect the foundations of our lives and protect the clean environment that will be passed down to future generations.
천연보존료 복합 황금추출물이 유산균발효 마늘추출물의 저장성 및 기능성에 미치는 영향
이희섭(Hee-Seop Lee),이성진(Sun-Jin Lee),손요한(Johann Sohn),유희종(Heui-Jong Yu),조홍연(Hong-Yon Cho) 한국식품영양과학회 2017 한국식품영양과학회지 Vol.46 No.1
본 연구는 유산균발효 마늘추출물의 간 보호 효능에 대해 천연보존료인 복합 황금추출물이 유산균발효 마늘추출물의 간 보호 효능에 미치는 영향 여부를 확인하기 위해 수행되었다. 복합 황금추출물은 H2O2에 의한 산화적 손상에 대한 유산균발효 마늘추출물의 간 보호 효능에 있어서 유의적인 영향을 미치지 않았으며, acetaminophen에 의한 급성 간 손상 동물 모델에서 시료에 첨가된 복합 황금추출물은 유산균 발효 마늘추출물의 간 손상 억제 효능에 있어 유의적인 영향을 미치지 않았다. 이상의 결과들을 종합 고찰할 때 복합 황금추출물은 기능성 원료의 유효성에 영향을 미치지 않으면서 액상제형 건강기능성식품의 안전성을 확보할 수 있는 천연보존제로 판단되었다. The natural preservative “complex Scutellaria baicalensis extract (BHC)” contains Scutellaria baicalensis, Glycyrrhiza uralensis (liquorice), Zizyphus jujube (jujube), and Astragalus propinquus (milk vetch root). BHC has been used as a natural preservative for more than 10 years to increase storage duration and quality of food with strong antibacterial activity. BHC has been added into functional foods as a subsidiary ingredient. However, no studies have been performed to test whether or not BHC affects the activity of main functional ingredients. In this study, we tested whether or not BHC has any effect on the hepatoprotective activity of lactic acid-fermented garlic extract (LAFGE) when formulated in a clinical test supplement. H2O2-induced oxidative damage in HepG2 cells was not attenuated by BHC, indicating that BHC had no influence on the protective effect of LAFGE against oxidative damage. Furthermore, BHC had no effect on the hepatoprotective effect of LAFGE against acetaminophen-induced acute liver injury in rats, as indicated by no changes in alanine transaminase and aspartate transaminase levels. In conclusion, BHC, formulated in the clinical test supplement with LAFGE, had no effect on hepatoprotective activity, indicating BHC could be considered as a suitable natural preservative for liquefied functional food materials.
참치 자숙액의 항산화 활성에 감마선 조사가 미치는 영향
이희섭(Hee-Sub Lee),김현주(Hyun-Joo Kim),최종일(Jong-il Choi),김재훈(Jae-Hun Kim),김진규(Jin-Gyu Kim),전병수(Byung-Soo Chun),안동현(Dong-Hyun Ahn),정영진(Young-Jin Chung),김영지(Yeung-Ji Kim),변명우(Myung-Woo Byun),이주운(Ju-Woon Lee 한국식품영양과학회 2008 한국식품영양과학회지 Vol.37 No.6
수산 가공 폐기물중 하나인 참치 자숙액을 이용하여 천연기능성 소재 개발을 하기 위해 참치 자숙액 에탄올 추출물에 감마선 조사(0, 50 kGy)를 하여 전자공여능을 확인하고, FRAP, UWLA, Rancimat 등을 사용하여 항산화 활성 변화에 관하여 알아보았다. 감마선 조사한 참치 자숙액의 전자공여능 및 hydroxyl 라디칼 소거능 측정 결과 감마선 조사에 의해 각각 16.17% 및 10.38% 증가하였고, 산화안정지수 및 FRAP value 또한 각각 23% 및 26% 증가하였다. β-carotene bleaching assay를 이용하여 항산화지수를 측정한 결과 감마선 조사에 의해 항산화지수가 증가하는 경향을 보였다. 이러한 결과로 미루어 볼 때 참치 자숙액 자체가 가지고 있는 항산화 활성 및 산화안정성을 감마선 조사 기술을 사용하여 증진시켜 식품 및 공중보건산물의 첨가제로서의 이용이 가능할 것이라 사료된다. This study was conducted to examine the effect of a gamma irradiation on the antioxidant activity of ethanol extract from cooking drips of Thunnus thynnus (ECT). The electron donating ability against 1,1-diphenyl-2-picryl-hydrazyl (DPPH), authentic hydroxyl radical scavenging activity by Ultra Weak Luminescence Analyzer, oxidative protection factors by Racimat method, ferric reducing antioxidant power (FRAP), and β -carotene bleaching activity were measured as indices of antioxidant activity. All of the results shown that irradiation increased the antioxidant activity of ECT. These results suggested that ECT could be used as an antioxidative component in food and gamma irradiation could enhance these antioxidative properties.