• Title/Summary/Keyword: anchovy

Search Result 637, Processing Time 0.139 seconds

Influence of Water Temperature During the Main Spawning Period on Anchovy Catch (멸치의 산란기 수온이 어획량에 미치는 영향)

  • Lee, Chung-Il;Jang, Lee-Hyun;Park, Sung-Eun
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.42 no.3
    • /
    • pp.297-301
    • /
    • 2009
  • The water temperature from 1980 to 2000 and the anchovy catch from 1990 to 2000 in the southeastern portion of the South Sea of Korea were used to illustrate the influence of water temperature on the catch of the anchovy, Engraulis japonica. 1993 and 1998 were selected as poor and good fishing years therefore, the horizontal and vertical distribution of water temperature and catch per unit effort in these years was compared. When the anchovy catch was lower, the water temperature at 10 m was also about $0-2^{\circ}C$ lower than during a normal year, which resulted in the formation of a weak thermocline. Conversely, when the anchovy catch was higher, the water temperature at 10m was $0-2^{\circ}C$ greater than during a normal year, which resulted in the formation of a strong thermocline at around 20 m.

Determination of Nε-(carboxymethyl)lysine in Stir-fried Anchovy Under Different Cooking Conditions (멸치볶음의 조리방법에 따른 Nε-(carboxymethyl)lysine 함량 변화)

  • Jeon, Hyeonjin;Park, Ho-Young;Lee, Sang Hoon;Kim, Yoonsook
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.50 no.5
    • /
    • pp.481-486
    • /
    • 2017
  • The content of $N^{\varepsilon}$-(carboxymethyl)lysine (CML), an advanced glycation endproduct, in stir-fried anchovy prepared under different cooking conditions was determined, along with their sensory properties. The aim of the study was to optimize cooking conditions of stir-fried anchovy for minimal CML production by using different sugars, sugar concentrations, pH levels, and cooking times. The results showed that CML content increased with increasing sugar concentration. Cooking time did not affect CML content but lowering the pH with lemon juice decreased it significantly. The CML content of samples with a high sugar concentration, and without lemon juice was $4.67{\mu}g/mL$, and that of samples with both a low sugar concentration and lemon juice was $2.49{\mu}g/mL$, indicating a 47% reduction in the CML content of sir-fried anchovy. We conclude that stir-fried anchovy cooked with less sugar and the addition of lemon juice can reduce CML content while maintaining sensory characteristics.

Comparison of Sampling Methods for Anchovy Eggs and Larvae in Coastal Waters of the South Sea of Korea (남해 연안 멸치 난자치어 채집방법간 비교)

  • Hwang, Sun-Do;Choi, Il-Su;Chu, Eun-Kyeon
    • Korean Journal of Ichthyology
    • /
    • v.20 no.3
    • /
    • pp.228-232
    • /
    • 2008
  • To investigate a proper sampling method for anchovy eggs and larvae in coastal waters of the South Sea, replicated samplings were made by different towing methods with different sampling gears and compared in terms of abundance and length composition. There was no significant difference in abundance in samples from vertical and oblique tows with a ring net. The abundance by replicated vertical tows with a ring net was not significantly different, but significant difference in abundance among sampling stations were found. The ring net sampled anchovy eggs in significantly greater numbers than collected by a NORPAC net, but both gears were not effective in obtaining quantitative samples of anchovy larvae larger than 3 mm. Therefore, samples by vertical tows with a ring net during the day at various stations is more efficient at estimating the density of anchovy eggs in an area compared to replicated sampling at a single station.

Characterization of the Aroma of Salt-fermented Anchovy Sauce Using Solid Phase Microextraction-Gas Chromatography-Olfactometry Based on Sample Dilution Analysis

  • Kim, Hyung-Joo;Baek, Hyung-Hee
    • Food Science and Biotechnology
    • /
    • v.14 no.2
    • /
    • pp.238-241
    • /
    • 2005
  • Aroma-active compounds were evaluated from salt-fermented anchovy sauce by solid phase microextraction-gas chromatography-olfactometry (SPME-GC-O) based on sample dilution analysis (SDA). SPME extract from carboxen/polydimethylsiloxane (CAR/PDMS) fiber was the most similar to the original odor of salt-fermented anchovy sauce used for this experiment, followed by divinylbenzene/CAR/PDMS (DVB/CAR/PDMS) fiber. Because salt-fermented anchovy sauce contains 23% NaCl, NaCl concentration of diluent was considered when salt-fermented anchovy sauce was serially diluted. Linear relationship between GC response and sample concentration was observed when diluted with 23% NaCl solution, whereas not observed when diluted with deodorized distilled water. Eleven and 16 aroma-active compounds were detected by SPME-GC-O based on SDA using CAR/PDMS and DVB/CAR/PDMS fibers, respectively. Butanoic acid and 3-methyl butanoic acid showed the highest ${\log}_2SD$ factors for CAR/PDMS and DVB/CAR/PDMS fibers. Dimethyl trisulfide, methional, trimethyl amine, 1-penten-3-ol, and acetic acid were also detected as potent aroma-active compounds.

A Study on the Law of One Price in Major Domestic Fishery Product Markets in South Korea: Evidence from Frozen Squid, Frozen Hair tailand Dried Anchovy (주요 수산물의 국내 소비시장에서의 일물일가법칙의 성립여부 : 냉동오징어, 냉동갈치, 건멸치를 중심으로)

  • Lim, Eun-Son;Kim, Ki-Soo
    • The Journal of Fisheries Business Administration
    • /
    • v.48 no.1
    • /
    • pp.51-71
    • /
    • 2017
  • We explore each of the three major domestic fishery product markets in South Korea- Frozen Squid, Frozen Hair tail and Dried Anchovy- to assess whether we can find evidence for Law of One Price (LOP) across the five major cities- Seoul, Dae-Jeon, Dae-Gu, Gwang-Ju and Busan. To achieve our aim, we utilize two different types of unit root tests: Augmented Dickey-Fuller (ADF) and Kwiatkowski-Phillips-Schmidt-Shin (KPSS) unit root test. In each of the three fishery product markets, we find evidence in support of LOP among several cities, which confirms that these markets are integrated to a certain extent. In particular, we find stronger evidence of LOP for Dried Anchovy market relative to the other two fishery product markets. Based on our findings, we argue that the Dried Anchovy market exhibits a greater degree of market integration across the five major cities in South Korea compared to the other two fishery product markets. The greater degree of market integration in the Dry Anchovy market is facilitated by its higher substitutability across cities; taken together these findings show that the market for Dried Anchovy in South Korea is more efficient than the markets for Frozen Squid and Frozen Hair tail.

Changes in Physicochemical Components of Soy Sauce during Fermentation from Anchovy Sauce (멸치액젓을 이용한 양조간장의 발효과정 중 이화학적 성분변화)

  • 강윤미;정순경;백현동;조성환
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.30 no.5
    • /
    • pp.888-893
    • /
    • 2001
  • Soy sauce has a long history used as a food ingredient. However, hydrolyzed vegetable protein, mono-sodium glutamate, starch syrup, and fructose are added to soy sauce during fermentation for the taste and flavor of product. But consumers have been reluctant to the taste of these artificial additives. In this experiment, anchovy sauce was used to prepare soy sauce to enhance the quality and brine was used as a control. To evaluate the quality of soy sauce added with anchovy, total nitrogen (TN) and soluble nitrogen contents, total soild contents, total sugar reducing sugar. lactic acid content and protease activity were monitored during fer-mentation. Total microbial numbers and lactic acid bacteria were not significantly changed among the cases. Aerobic and anaerobic microorganisms. and lactic acid bacteria were not significantly changed among the cases we studied, For the total sensory test, it was also estimated that the cases using anchovy sauce were superior to the control. From the results mentioned above, we could obtain shorter fermenation period as well as the quality improvement in the case of using anchovy sauce instead of salty water in the fermented soy sauce production.

  • PDF

Effects of $\gamma$-Irradiation and Subsequent Storage on Amino Acids and Ribonucleotides of Biled-Dried Anchovy

  • Kwon, Joonh-Ho;Byun, Myung-Woo
    • Preventive Nutrition and Food Science
    • /
    • v.1 no.1
    • /
    • pp.16-22
    • /
    • 1996
  • Amino acids and ribonucleotides were measured for boiled-dried anchovy to determine the effect of 5 kGy γ-irradiation on its quality stability during storage at ambient and cooling (5∼10℃) temperatures for 12 months in a laminated-film package(Polyethylene 10㎛). The anchovy samples contained about 55%(d.b) of total amino acids and about 1%(d.b) of free amino acids. Although there found a significant change(p<0.01) in the content of leucine and lysine immediately sfter irradiation, the overall content of toral amino acids was little changed in stored anchovy even six months after irradiation at cooling conditions. γ-Irradiation caused a significant reduction(p<0.01) in the total content of free amino acids, showing a similar tendency by storage conditions. However, the ribonucleotides. which were 12.00mg/g(d.b) in inosine-5'-monophosphate and 0.38mg/g(d.b) in guanosine-5'-monophospate, were resistant to 5kGy-irradiation. With the lapse of storage time, it was also shown that storage temperature was more influential than irradiation on the contents of amino acids and taste compounds of dried anchovy.

  • PDF

Quality characteristics of enzymatic anchovy hydrolysates (멸치 효소 가수분해물의 품질특성)

  • Kang, C.S.;Jeong, D.S.
    • Journal of Practical Agriculture & Fisheries Research
    • /
    • v.14 no.1
    • /
    • pp.93-105
    • /
    • 2012
  • This study was carried out to prepare anchovy hydrolysates by using Alcalase, Neutrase and Protamex, and to investigate its quality characteristics. The major free amino acids were glutamic acid and lysine. The total amino acid content of anchovy hydrolysate were glutamic acid(12.6%), lysine(8.56%), valine(7.06%), aspartic acid(5.73%). Major nucleotides content of anchov hydrolysate were 5'-IMP (22.462 mg/100g), 5'-GMP (18.674 mg/100g) and 5'-UMP (1.25 mg/100g). Histamine content of anchovy hydrolysate was 18.1 mg/100g. These results suggested that anchovy hydrolysate could be used as a sauce of basic seasoning.

Exposure Assessment of Biogenic Amines as a Chemical Hazard in Commercial Anchovy Fish Sauce from South Korea (멸치액젓의 화학적 위해요소로서의 바이오제닉 아민 노출 평가)

  • Eungyeong Kim;Heeyoung Lee;Sunhyun Park
    • Journal of the FoodService Safety
    • /
    • v.4 no.1
    • /
    • pp.1-6
    • /
    • 2023
  • This study was conducted to evaluate the chemical hazards of 74 kinds of commercial anchovy fish sauce in Korea by measuring their biogenic amine content. The biogenic amines detected in commercial anchovy fish sauce were tryptamine, putrescine, cadaverine, tyramine, spermidine, spermine, and histamine. Among them, histamine content was the highest with an average of 1,439.62±812.62 mg/kg. Excessive intake of histamine could result in chemical food poisoning characterized by high blood pressure, headache, and diarrhea. Accordingly, by simulating histamine exposure (repetition=10,000 times) based on the daily intake of 0.969 g of domestic anchovy fish sauce, we found that the estimated average histamine exposure was 24.49±55.48 ㎍/kg bw/day and that the margins of exposure (MOE) value were 139.18 at 1% and 66,141.07 at 95% of 10,000 simulations (9,500 times). As such, it was confirmed that 9,500 out of 10,000 simulations of MOE analysis significantly exceeded MOE 10. Therefore, the risk of exposure to histamine from ingestion of commercial anchovy fish sauce is approximately very low.

DEGRADATION OF ACID SOLUBLE NUCLEOTIDES AND THEIR RELATED COMPOUNDS IN SEA FOODS DURING PROCESSING AND STORAGE 1. Changes of Nucleotides during Drying Process of the Anchovy, Engraulis japonica (수산식품의 가공 및 보장중의 핵산관련물질의 변화에 관한 연구 1. 마른 멸치 제조과정중의 핵산관련물질의 변화)

  • LEE Eung-Ho;PARK Young-Ho
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.4 no.1
    • /
    • pp.31-41
    • /
    • 1971
  • The present study was directed to define the degradation pattern of the nucleotides and their related compounds in the muscle of anchovy during drying. Three kinds of samples, fresh, sun dried and boiled-and-dried anchovy, were prepared and the contents of nucleotides and related compounds of samples were determined by ion exchange chromatography. The results obtained are summarized as follows: Almost all of ATP disappeared in both muscle of sun dried and boiled-and-dried anchovy, although the initial content of ATP in fresh muscle was very low ($1.8{\mu}moles/g$, dry basis). But the remainning amount of ADP was considerably high while the other nucleotide almost entirely disappeared. This suggested that the residual ADP is responsible to the 'bound nucleotide' of myofibrils. In general, AMP content was comparatively lower than that of other nucleotides. Among three samples, the boiled-and-dried sample showed relatively higher AMP value than others. The amount of IMP remained in muscle remarkably varied between the boiled-and-dried anchovy and sun dried anchovy, the former's value being sixteen times higher than that of latter. In the contents of inosine and hypoxanthine, the sun dried anchovy marked an exceedingly high value equivalent to 2.7 times of the boiled-and-dried anchovy. In comparison of the ratio of inosine and hypoxanthine, hypoxanthine was accumulating in boiled-and-dried anchovy whereas inosine was in the sun-dried anchovy. Eighty three percent of total nucleotides in the fresh anchovy retained in the boiled-and-dried anchovy and IMP ratio in total nucleotides was $73\%$. On the contrary, the sun dried anchovy showed barely $10\%$ of retention rate and IMP ratio was only $38\%$. Considered from the flavor quality of dried anchovy, so far as concerned IMP content, it may be said that the boiled-and-drying method is more favorable process for dried product of anchovy than the sun-drying method.

  • PDF