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향미강화농축물 소재로서 비가열 가다랑어(Katsuwonus pelamis) 프레임의 영양학적 품질 특성
임치원,성상욱,허민수,김진수,Lim, Chi-Won,Sung, Sang Wook,Heu, Min Soo,Kim, Jin-Soo 한국수산과학회 2017 한국수산과학회지 Vol.50 No.5
We investigated the nutritional characteristics of the uncooked Skipjack tuna Katsuwonus pelamis frame (U-STF) as a basic resource for preparing flavor-enriching concentrates. The bone rate based on the fish frame (FF) was 53.2% in U-STF, thus lower than those of cooked skipjack tuna frame (C-STF), the uncooked salmon frame (U-SF), and beef leg bone (BLB). The composition of FF had 48.6-58.0% moisture, 18.4-21.3% crude protein, 7.0-15.0% crude lipid, and 12.8-22.1% ash. Compared to the proximate composition of BLB, that of FF was higher moisture and crude protein but lower solids, crude lipids, and ash. The total amino acid contents of FF was 17.6-20.8 g/100 g, which was higher than that of BLB. The levels of calcium and phosphorus of FF were 4.7-8.5 g/100 g and 2.4-4.2 g/100 g, respectively, thus lower than those of BLB. The brix concentration of FF extract was $5.0-8.2^{\circ}$, being highest in U-STF extracts, followed by extracts of U-SF and then extracts of C-STF. Our results indicate that U-STF is an optimal resource for preparing flavor-enriching concentrates.
어류 프레임 농축액과 시판 사골 농축액의 위생적 및 영양적 특성 비교
임치원,성상욱,허민수,이태기,김진수,Lim, Chi-Won,Sung, Sang Wook,Heu, Min Soo,Lee, Tae-Gee,Kim, Jin-Soo 한국수산과학회 2017 한국수산과학회지 Vol.50 No.5
There is increasing interest in developing flavor-enriched concentrate using byproducts of skipjack tuna Ktsuwonus pelamis as a replacement for commercial beef bone extract concentrate (CBB-EC). This study was compared on sanitary and nutritional characteristics between skipjack tuna frame extract concentrate (ST-EC) and CBB-EC as a control of skipjack tuna frame extract concentrate. The moisture contents of CBB-EC and ST-EC 41.4-4.9% and 45.3%, respectively. The results of viable cell counts and E. coli assays suggested that CBB-EC and ST-EC is a safe and sanitary for use in food. There were no differences in peroxide values among CBB-ECs. The total amino acid contents in CBB-EC and ST-EC were 25.6-29.3 g/100 g and 37.9 g/100 g, respectively, and the major amino acids present glutamic acid, proline, glycine, alanine and arginine. Regardless of kinds of the mineral, mineral contents of ST-EC higher than those of CBB-EC. The major fatty acids were 16:0, 18:0 and 18:1n-9 in CBB-EC, 16:0, 18:1n-9 and 22:6n-3 in ST-EC. These results can be used as background information to develop flavor-enriched concentrates from byproducts of skipjack tuna as replacement for CBB-EC.
임치원(Chi Won Lim),이종수(Jong Soo Lee),조영제(Young Je Cho) 한국수산과학회 2000 한국수산과학회지 Vol.33 No.4
Three antimicrobial compounds (SL-1, SL-2 and SL-3) were isolated and identified from the marine red alga, Symphyocladia latiuscula. In addition, their biological functionalities such as cytotoxicity and desmutagenic activity were investigated. From the cryophyllized S. latiuscula, SL-1, SL-2 and SL-3 were purified by solvent extractions and HPLC. SL-2 was crystallized in benzene-diethyl ether solvent. On the EI-MS spectra, it was found that they had three bromines in their structure which showed typical signal strength ratios at M^+, [M+2]^+, [M+4]^+, [M+6]^+ (13 : 38 : 37 : 12). SL-1 was identified as 2,3,6-tribromo-4,5-dihydroxybenzy1 alcohol (C_7H_5Br₃O₃, MW=374) by NMR and MS spectra. SL-2 was assigned as 2,3,6-tribromo-4,5-dihydroxybenzyl methyl ether (C_8H_7Br₃O₃, MW=388) and confirmed by X-ray crystallographic analysis. SL-3 was presumed as an isomer of SL-2. Methanol extract of the S. latiuscula showed antimicrobial activities against all strains tested (bacteria, 15 strains; yeasts, 17 strains; fungi, 4 strains), much or less. The strongest inhibition activity of the methanol extract was to the Vibrio mimicus (50㎍/㎖) and V. vulnificus (50㎍/㎖). The mice injected intraperitoneally with 3㎎ of SL-1 and 5㎎ of SL-2 showed no acute toxicity response. SL-2 showed higher desmutagenic activity than SL-1 against PhIP and MeIQx.
임치원 ( Chi Won Lim ),김진수 ( Jin Soo Kim ) 한국수산과학회 2014 한국수산과학회지 Vol.47 No.5
The recent mass appearances of jellyfish in Korea have caused economic and social damage, as they plague swim-mers and fishermen. However, jellyfish have high economic and nutritional value, and contain low levels of calories and hydrolysates. Thus, jellyfish are a natural, healthy food that can improve high blood pressure, bronchitis, and a multitude of other diseases. Here, we present research on the ecology, classification, bloom, damage caused, food component characterization, and tissues of jellyfish, with the aim of facilitating further study. Research on use of jel-lyfish as salted products, and for collagen and qniumucin would also be valuable. A jellyfish body is classified into three parts: the body, termed the umbrella; the oral arm; and the tentacle. Jellyfish are planktonic marine members of a group of invertebrate animals comprising the classes Schypozoa (phylum Cnidaria) and Cuboza. In Korea in 2012, jellyfish damage resulted in decreases of annual catch and commercial value estimated at 177 and 141 billion won, respectively. Because concentrations of heavy metals are below the safety limits for seafood, dried jellyfish ap-pear to be safe raw materials for food. The proximate compositions of Nemopilema nomurai and Aurelia aurita were 97.1% and 96.5% moisture, 0.9% and 1.2% crude proteins, undetected and 0.1% crude lipids, and 1.7% and 1.8% ash, respectively. According to their total contents of essential, total, and non-essential amino acids, jellyfish gonads were deemed good-quality protein. Because the major functional components of jellyfish are collagen and qniumu-cin, jellyfish can be used salted, or these components of healthy diets can be extracted from them. For more effective use of jellyfish, unit costs should be decreased and safety guaranteed. Additionally, dehydrators attached to conveyor belts should be developed. Since jellyfish can be used throughout the year, they should be listed in the Korean Food Standards Codex as a food source.
새꼬막(Scapharca subcrenata) 추출물의 혈관신생 억제활성과 특성
임치원 ( Chi Won Lim ),박희연 ( Hee Yeon Park ),심길보 ( Kil Bo Shim ),윤나영 ( Na Young Shim ),김연계 ( Yeon Kye Kim ) 한국수산과학회 2012 한국수산과학회지 Vol.45 No.4
Anti-angiogenesis therapy is one of the most promising strategies for the treatment of cancer. We investigated the anti-angiogenesis activity of an extract from the ark shell Scapharca subcrenata and attempted to purify the active compounds. The crude extract of the ark shell inhibited the proliferation of human vein endothelial cells (HUVEC-1) and tube formation by human dermal microvascular endothelial cells (HMEC-1). The methanol extract of the viscera of the ark shell showed activity. The ark shell extract acts as an angiogenesis inhibitor and could be developed further as a health substance, functional food, and anticancer agent.
남극이빨고기(Dissostichus mawsoni)의 지방산조성
임치원 ( Chi Won Lim ),조현수 ( Hyun Su Jo ),연인자 ( In Jia Yeon ),석규진 ( Kyu Jin Seok ),최석관 ( Seok Gwan Choi ),윤나영 ( Na Young Yoon ),심길보 ( Kill Bo Shim ) 한국수산과학회 2012 한국수산과학회지 Vol.45 No.6
The proximate compositions and fatty acid profiles of Antarctic toothfish Dissostichus mawsoni that was caught in the southern Ross Sea (J, L) of the Antarctic Ocean were studied. The lipid contents of samples from J and L were 18.2 and 21.1%, respectively. The protein and ash contents were similar for samples J and L. The prominent fatty acids in the total lipids of the fish muscle were 18:1n-9, 16:1n-7, 16:0, 14:0, 18:1n-7, 20:5n-3 (eicosapentaenoic acid, EPA), and 22:6n-3 (docosahexaenoic acid, DHA). In addition, the total fatty acids of bycatch products in the toothfish stomachs (Pleuragramma antarcticum, Gerlachea australis, Pasiphaea sp., Trematomus eulepidotus, Chionodraco hamatus, Chionodraco myersi, and Neopagetopsis ionah) were determined. The prominent fatty acids in those species were 18:1n-9, 16:0, 14:0, DHA, EPA, and 18:1n-7.