http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김용신(Kim-Yong Shin) 한국응용과학기술학회 (구.한국유화학회) 2021 한국응용과학기술학회지 Vol.38 No.1
본 연구에서는 해삼속의 폴리페놀과 플라보노이드의 생리활성물질을 추출하기 위한 용매분획의 수율을 확인하고자 연구를 시도하였다. 이미 보고된 사례에서 50%에탄올 추출 용매분획은 해삼 항산화물질의 높은 수율 결과로 확인되었다. 해삼의 항산화물질 추출량을 결정짓는 것은 추출에 적용된 추출 용매분획의 결과로 확인되었다. 또한 ‘추출용매에 따라 해삼생리활성 항산화물질 추출함량이 크게 차이가 있다.’는 선행연구를 통해 용매분획추출에 관한 필요성의 결과를 얻었다. 50%에탄올 추출 용매분획의 해삼추출물에 포함된 페놀물질의 높은 항산화성분 추출 결과가 증명되었다. 추출용매분획 연구사례에서 수율이 가장 저조한 아세트산에틸 용매분획은 다른 용매분획에 비해 높은 페놀함량을 수확하여 항산화효과가 확인되었다. 이에, 추출 용매분획물의 적용에 따른 수율변화를 통해 항산화추출물의 높은 수율에 미치는 영향을 확인 하였다. 따라서 본 연구를 통해 50%에탄올 용매의 최적화된 해삼생리활성물질 추출 용매분획으로 검증되었다. In this study, a study was attempted to confirm the yield of the solvent fraction for extracting physiologically active substances of polyphenols and flavonoids in sea cucumber. In the previously reported cases, the 50% ethanol extraction solvent fraction was confirmed as a result of high yield of sea cucumber antioxidants. The determination of the amount of antioxidants extracted from sea cucumber was confirmed as a result of the extraction solvent fraction applied to the extraction. In addition, the necessity of extraction of the solvent fraction was obtained through a previous study that ‘there is a significant difference in the content of sea cucumber physiologically active antioxidants extracted depending on the extraction solvent.’ The results of extracting high antioxidants from the phenolic substances contained in the sea cucumber extract of the 50% ethanol extraction solvent fraction were demonstrated. In the study case of extraction solvent fraction, the ethyl acetate solvent fraction, which yielded the lowest, yielded a higher phenol content than other solvent fractions, and the antioxidant effect was confirmed. Accordingly, it was confirmed that the effect on the high yield of the antioxidant extract through the yield change according to the application of the extraction solvent fraction was performed. Therefore, it was verified as an optimized sea cucumber physiologically active substance extraction solvent fraction of 50% ethanol solvent.
김용신 ( Yong Shin Kim ),신동화 ( Dong Hwa Shin ),최태부 ( Tae Boo Choe ) 한국미용학회 2016 한국미용학회지 Vol.22 No.4
This study was a sea cucumber experiment does not damaged the skin. It has identified the bioactive efficacy and suitability of sea cucumber extract. Act as sea cucumber extraction solvent was 50% ethanol extraction solvent ratio of 1:10. Safety was a top priority. It selected the optimum extraction conditions. The polyphenol, total flavonoid content, antioxidant activity, DPPH radical scavenging activity was confirmed. When a concentration-dependent increase in the sea cucumber extract concentration is confirmed result is increased. NO it was suppressing the formation. It inhibits melanin production. It confirmed the higher inhibitory effect than arbutin. MMP-1 expression was confirmed inhibitory effect. Confirmed the inhibitory ability of phosphorylated ERK and JNK. The MMP-1 expression was confirmed an inhibitory action through inhibiting the phosphorylation of ERK and JNK activity efficacy was changed depending on the solvent conditions. This was confirmed chondroitin sulfate, sea cucumber bioactive phenolic substances. eicosapentaenoic acid of the mountain, chondroitin sulfate (saponin) components. Sea cucumber extract-containing cosmetics (cream) has determined that further study of the skin clinical trial is needed. It was confirmed with anti-melanin and anti-aging, anti-inflammatory agents, anti-cosmetic functional material, natural bioactive substances. It can be used as a cosmetic material. We are looking forward to the development of the cosmetics industry.
진충열(Chung-Yeul JIN),김용신(Yong-Sin KIM),신형호(Hyeong-Ho SHIN),김영훈(Younghun KIM),김대진(Daejin KIM) 전남대학교 어업기술연구소 2021 어업기술연구소보고지 Vol.14 No.1
It is necessary for navigator to understand sufficiently maneuverabilities based on experiences and the data which were gotten from several tests of the ship when he maneuver his vessel. By the way most navigators used to rely on his experiences or feelings only maneuvering ship. But he is faced with an unexpected difficulties when he encounters situations he had not experienced. So navigator must get both experiences and data based on experimental results. In this paper author performs several tests such as turning test, Zig-zag test and spiral test to provide informations of maneuverabilities for navigators. In this paper, the author performed “Z” test in order to study the maneuverability of M/S Sae Dong Baek, training ship of the Chonnam National University. The obtained results are as follows: As the “Z” test the turning index(K)’s results of Sae Dong Baek are 0.246, 0.173 and 0.299, 0.134 respectively when the rudder indicator changes to port 10°, 20° and starboard 10°, 20°. Also as the “Z” test the following index(T)’s results are 15.859, 20.37 and 29.937, 21.6 respectively when the rudder indicator changes to port 10°, 20° and starboard 10°, 20°.