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- 저자 : 차선희 (검색결과 123 건)
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차선희,차선희,이정섭,이주상,석진원 (사)한국해양바이오학회 2023 한국해양바이오학회지 Vol.15 No.2
This study aimed to develop low-salt seasoned Gim (김) with new functionality to meet the diversification of the export market and consumer demand for Gim, which is one of the four major seafood products in Chungcheongnam-do province. Spirulina, a microalgae containing essential amino acids, vitamins, and minerals, is known to have antioxidant components such as phycocyanin. Therefore, to determine the suitability of spirulina as a seasoning material, we conducted seaweed. It can be used as a substitute for seasoning salt in the development of low-salt seasoned laver with enhanced functionality.
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해양 미세조류 Nannochloropsis oculata 추출ㆍ분획물의 ACE, α-glucosidase 및 암세포 저해 활성
차선희,김민주,양혜영,진창범,전유진,김대경,Tatsuya Oda 한국수산과학회 2010 한국수산과학회지 Vol.43 No.5
Extracts of the marine microalgae Nannochloropsis oculata were obtained using 80% methanol (MeOH) and water. The 80% MeOH extract was further fractionated with n-hexane, chloroform, ethyl acetate (EtOAc), n-butanol (n-BuOH), and water to isolate the active fraction. Seven samples were prepared and their angiotensin converting enzyme (ACE), α-glucosidase, and cancer cell growth inhibitory activities in vitro were determined. The most profound ACE inhibitory activity was observed in the chloroform fraction, while the others had moderate effects. By contrast, greater α-glucosidase inhibitory activity was found in the EtOAc fraction, n-hexane fraction, and water extract of N. oculata. The antiproliferative effects of the extracts and fractions against HL-60, U937, CT-26, and SK-Hep1 cancer cells were also determined. The n-BuOH fraction had the strongest antiproliferative effects on CT-26 cells in a time-dependant manner (P<0.05). These results suggest that the extracts and fractions from N. oculata could be used as a potential functional food or as pharmaceutical ingredients.
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저상품성 양식 넙치를 이용한 연제품 제조 및 텍스튜어 특성
차선희,조미란,이정석,이지혁,고주영,전유진 한국수산과학회 2009 한국수산과학회지 Vol.42 No.2
The properties of surimi gel from Olive flounder Paralichthys olivaceus were evaluated with addition of various food additives and by heating under different conditions. The optimum heating conditions for get good textured surimi gel from Olive flounder was 40 minutes at 85℃. Optimum texture characteristics such as hardness, cohesiveness, chewiness, gumminess and gel strength of olive flounder fish paste can be acquired by washing the paste 2 times and by adding sodium chloride (2.5%), sodium polyphosphate (0.3%) and starch (4%), respectively. Furthermore, we compared gel texture characteristics and strength of manufactured Olive flounder fish surimi with commercial Alaska pollack to determine their commercial applicability. Texture characteristics and gel strength of Olive flounder surimi were higher than those of the commercial Alaska pollack surimi. In addition, both lightness and whiteness were higher in surimi gel from Olive flounder than from the commercial Alaska pollack.
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차선희,이기완,전유진,Cha, Seon-Heui,Lee, Ki-Wan,Jeon, You-Jin The Korean Society of Phycology 2006 ALGAE Vol.21 No.3
This study was conducted to screen in vitro angiotensin - I converting enzyme (ACE) inhibitory activities of methanol (MeOH) and aqueous extracts at 20°C and 70°C, respectively, prepared from twenty-six red algae obtained from the coast of Jeju Island in Korea. Among aqueous extracts at 20°C (20AE) from red algae Lomentaria catenata showed the strongest ACE inhibitory activity and Lithophyllum okamurae recorded the second highest activity. From MeOH extract at 20°C (20ME) Ahnfeltiopsis flabelliformis possessed the strongest ACE inhibitory activity. Remarkable activities from MeOH extracts at 70°C (70ME) were observed in Grateloupia filicina, Sinkoraena lancifolia and Grateloupia lanceolata. However, no significant activity was found in aqueous extracts at 70°C (70AE). The IC50 values, which are concentrations required to inhibit 50% activity of ACE, for ACE inhibitory activities of 20AE from Lithophyllum okamurae and L. catenata were 13.78 and 12.21 μg mL–1, respectively. The IC50 values of 20ME from A. flabelliformis and Laurencia okamurae were 13.84 and 106.15 μg mL–1. Those of the 70ME from Bonnemaisonia hamifera, Grateloupia filicina, Sinkoraena lancifolia, G. lanceolata, Gracilaria vermiculophylla and L. okamurae ranged from 25.82 to 124.69 μg mL–1.
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Electron Spin Resonance을 이용한 제주 자생 해조류의 DPPH Free Radical 소거활성 검색
차선희,허수진,전유진,Cha, Seon-Heui,Heo, Soo-Jin,Jeon, You-Jin 한국해양바이오학회 2006 한국해양바이오학회지 Vol.1 No.4
Extracts which were prepared by four different extractions - 80% methanol extracts (ME) at high ($70^{\circ}C$) and a room temperature ($20^{\circ}C$), respectively and aqueous extracts (AE) at both temperatures with the residue after the methanol extracts - of 10 green, 19 brown and 25 red seaweeds collected in Jeju Island coast were examined for their DPPH free radical scavenging activity using a ESR (electron spin resonance) spectroscopy. A variety of the extracts showed positive scavenging effect against DPPH free radical (except the green seaweeds). Among the extracts, the brown seaweed extracts exhibited the highest scavenging activity. Especially, Sargassum spp. of the brown seaweeds have remarkable scavenging activities - both methanolic and aqueous at the both temperatures ($20^{\circ}C$ and $70^{\circ}C$). On the other hand, ME showed better scavenging activity than AE in the red seaweed extracts. These results indicate that autogenous seaweeds in Jeju will be potential natural antioxidants for functional food compounds.
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車瑄熙,李起順,尹英姬 이화여자대학교 사범대학 화학교육 연구회 1959 化學敎育 Vol.- No.2
서울시내 중고등학교중 사회에 잘 알려져 있고 또 오랜 역사를 가진 2, 3개 학교를 선택하여 현재과학교육을 어떻게 실시하고 있나 하는 것을 조사하여 본 결과 다음에 보고하고저 한다. 매주 할당된 시간을 볼 때 현재 문교부에서 작정된 교육과정시간배당기준령에 의하면 위 표와 같이 중학교 교학(물상과 생물)이 매주 학년마다 4시간으로 되어왔는데 물상을 매주 2시간씩하는 학교가 약 60%, 3시간씩 하는 학교가 약 35%, 심한 것은 매주 5시간씩 하는 학교도 있었고 물상은 대부분이 매주 2시간이고 3시간씩하는 학교와 하지않는 학교도 있었다.
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