• Title/Summary/Keyword: Pollack

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Effects of Alaska Pollack Addition on the Quality of Kimchi (Korean salted cabbage) (명태를 첨가한 김치의 품질특성)

  • Sung, Jung-Min;Choi, Hae-Yeon
    • Food Science and Preservation
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    • v.16 no.5
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    • pp.772-781
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    • 2009
  • We investigated the effects of Alaska pollack addition on the quality of Kimchi during 20 days of fermentation at 10C. Alaska pollack was added to salted cabbage at concentrations of 0%, 6%, 12%, or 18% (all w/w). The quality characteristics determined were pH, acidity, salinity, reducing sugar content, color, free amino acid level, and lactic acid bacterial counts, at 4 d intervals over 20 d, during progressive fermentation at constant temperature (10C). Changes in pH, acidity, and reducing sugar content during fermentation were increased when Alaska pollack was added, whereas salinity decreased. Total lactic acid bacterial counts achieved maximum levels on day 8 for Kimchi with 18% (w/w) Alaska pollack, and the other Kimchi samples attained their highest values on day 12. In terms of color, the L, a, and b values of Kimchi rose with addition of Alaska pollack. The free amino acid content of Kimchi increased as the level of added Alaska pollack rose but gradually fell as fermentation progressed. Upon sensory evaluation, Kimchi with 6% (w/w) Alaska pollack scored highest in terms of appearance, texture, taste, and overall acceptance. In conclusion, our results indicate that Alaska pollack has a positive effect on the quality of Kimchi, increasing the content of free amino acids.

Discrimination of Shreds of Frozen and Dried Alaska Pollack, Dried Pollack, and Cod using Electronic Nose (황태채, 북어채 및 대구채 판별을 위한 전자코 분석)

  • Hong, Eun Jeung;Kim, Ki Hwa;Park, Sue Jee;Kim, Ji Eun;Kim, Dong-Sul;Lee, Hwa Jung;Kim, Eun Jeong;Lee, Jae Hwang;Kim, Seung-Hee;Lee, Kwang-Ho;Noh, Bong Soo
    • Food Engineering Progress
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    • v.15 no.2
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    • pp.162-168
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    • 2011
  • In this study, discrimination of shred of frozen and dried Alaska pollack, shred of dried pollack and shred of cod using electronic nose based on mass spectrometer was carried out. Intensities of each fragment from shred of frozen and dried Alaska pollack by e-nose were completely different from those of dried pollack and cod. Each sample was analyzed, and discriminant function analysis was used for the discrimination of similar products. DFA plot indicated a significant separation of each shred of frozen and dried Alaska pollack, shred of dried pollack and shred of cod ($r^2$= 0.7787, F = 185.2). E-nose based on MS system could be used as an efficient method for discriminant of EMA foods.

Changes in Lipid Components of Pollack During Sun-Drying (명태 천일건조 중 지방질성분의 변화)

  • Oh, Kwang-Soo
    • Korean Journal of Food Science and Technology
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    • v.26 no.2
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    • pp.123-126
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    • 1994
  • Changes in lipid components of pollack meat during sun-drying and effects of NaCl on lipid oxidation were examined. TBA values and peroxide values of sun dried pollack(SD), salted and sun dried pollack (SS) were 0.142 and 14.8 meq/kg, 0.226 and 20.0 meq/kg after sun-drying, respectively. Raw pollack contained 6.12% total lipid consisted of 2.42% neutral lipid(NL) and 3.70% phospholipid(PL) as dry basis, and there were $47{\sim}65%$ decrease in PL content during sun-drying. The NL class of raw pollack mainly consisted of triglyceride(TG), sterol(ST)+diglyceride(DG), hydrocarbon(HC)+sterol ester(SE), and main components in PL class were phosphatidylcholine(PC), phosphatidylethanolamlne(PE) and phosphatidylserine(PS). The contents of TG, ST+DG, PC and PE decreased, while those of free fatty acid, HC+SE, sphingomyelin and lysophosphatidylcholine increased markedly during sun-drying. The major fatty acids of TL in raw pollack, PD and SD samples were generally 22:6, 16:0, 20:5, 18:1 and 18:3; 20:5 decreased markedly during sun-drying, while saturates and monoenes such as 16:0, 18:0 and 18:1 increased slightly. And remaining ratios of polyunsaturated fatty acids of TL, NL and PL in SD and SS samples were 81.1%, 92.5%. 73.3%, and 74.6%, 74.1%, 45.4%, respectively. The results of changes in lipid components during sun-drying showed that sodium chloride catalyzed the lipid oxidation of pollack meat during drying processing.

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Effect of Substitution of Chicken Breast for Alaska Pollack on Physico-chemical Characteristics and Quality in Surimi-like Materials Contained Different Cryoprotectants

  • Jin, Sang-Keun;Choi, Young-Jun;Hur, Sun-Jin
    • Food Science of Animal Resources
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    • v.31 no.2
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    • pp.215-223
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    • 2011
  • Surimi-like samples were divided into four groups (C, surimi-like material made from Alaska Pollack with all cryoprotectant ingredients; T1, surimi-like material made from chicken breast with sugar and a sorbitol-free cryoprotectant; T2, surimi-like material made from chicken breast with a sugar-free cryoprotectant; T3, surimi-like material made from chicken breast with all cryoprotectant ingredients). Water and protein content were lower in Alaska Pollack surimi-like material (C) than those in chicken breast surimi-like material. Centrifuge loss and cooking loss were higher in C than those in chicken breast surimi-like material. Lipid oxidation (thiobarbituric acid reactive substances) was lower in T3 than others during storage. In a sensory evaluation, overall acceptability was significantly higher in C than those in other samples during storage. As a result, we found that the raw material composition (Alaska Pollack or chicken breast) had a large influence on the physico-chemical characteristics and quality of surimi-like materials, whereas cryoprotectant composition may have less influence on the physico-chemical characteristics and quality of surimi-like materials.

A Study on the Quality Evaluation of Imported Processed Foods(1)- With Special Reference to Chinese Products- (수입식품의 품질조사연구원(1) -중국산을 중심으로-)

  • 김정옥;이규한
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.23 no.2
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    • pp.328-332
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    • 1994
  • The purpose of present paper is to compare and analyze the quality of imported Chinese products with the Korean local products in terms of proximate composition, character of external appearance , ingredient composition of dried bracken , dried radish cubers, meju , dried pollack, dried mussel , and dried brown seaweed(Undaria puinnatidifida) which were imported between Oct., and Dec. 1992 and distributed in the market. Moisture recovery of dried products resulted in changed shape and incomplete moisture recovery due to an excessive drying in consideration of hygroscopic property in the course of distribution. The amounts of water soluble brown pigment were two times greater in Korean dried pollack and bracken than those of Chinese products. The content of volatile basic nitrogen (VBN) were twice in Chinese dried pollack, and this may be due to foregin odor from a long transport time and distribution process. The contents of aflatoxin in Korean products were not detectable and these of Chinese products were 5 $\mu\textrm{g}$(%) in dried pollack, bracken and radish cuber. the remaining agricultural chemicals were not detectable in all products. Because of poor technique and facilities, the external appearance of Chinese products especially dried mussels and dried pollack were not uniformed in size and color. Discoloration and foregin substance such as hair, dust were checked , Korean products were mostly packed in small size in PP or bag, and Chinese products were packed in bulk size and distributed as a bulk.

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Accelerating Effect of Squid Viscera on the Fermentation of Alaska pollack Scrap Sauce

  • Kim, Sang-Moo
    • Preventive Nutrition and Food Science
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    • v.4 no.2
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    • pp.103-106
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    • 1999
  • Fish sauce is a liquid form of salt-fermented fish and has played an important role in Korean dietary life. Fish sauce was manufactured by utilizing Alaska pollack scrap from Himedara(seasoned and dried Alaska pollack tail) processing . In addition, the effects of squid viscera as a fermentation enhancer were also evaluate.Ph of Alaska plllack scrap sauce with squid viscera was lower than that of control over the entire fermentation process. Squid viscera acceleraged the production of amino-nitrogen, VBN , TBA and free amino acids, and the degradation of IMP and Inosine. The addition of squid viscera and koji at 5% concentration, respectively , also accelerated the digestion of Alaska pollack scrap and was similar to the results of squid viscera at 10% concentration.

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Effects of Subsidiary Materials on Texture of Steamed Alaska Pollack Jelly Products (부원료(副原料)의 첨가량(添加量)이 어묵의 Texture에 미치는 영향(影響))

  • Kweon, Chil-Seong
    • Journal of Fisheries and Marine Sciences Education
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    • v.4 no.1
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    • pp.62-74
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    • 1992
  • The effect of additional amounts of subsidiary materials on texture of fish meat paste were examined using Instron Universal Testing Machine to obtain fundamental data for steamed Alaska pollack meat paste showing good quality. The hardness revealed the good correlation with jelly strength among the six kinds of parameters of Instron texturometer. Products with higher hardness showed a better quality, but those with hardness higher than 16kg showed decreasing quality with increasing hardness. Predicting the quality of steamed Alaska pollack meat paste with various additional amounts of subsidiary materials as a function of hardness, H, the equation could be deduced as follows: H=11.56+0.54Xcs, H=12.22-0.23Xsp and H=11.65-7.13Xpp. The reasonable equations for predicting the quality of steamed Alaska pollack meat paste with various additional amounts of mixed subsidiary materials could be summarized as follows: H=11.57+0.53Xcs+0.44Xsp, H=11.97-1.83Xpp-0.17Xcs, and H=11.58+0.08Xpp-0.23Xsp.

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Study on Improvement of Elementary School Food Service by Applying Preferred Recipes to Disliked Seafood Menus (기피 수산물 메뉴에 선호 조리법 적용을 통한 초등학교 급식 개선에 관한 연구)

  • Seong, Ji-Hye;Kim, Mi Jeong
    • Journal of the East Asian Society of Dietary Life
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    • v.27 no.4
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    • pp.387-398
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    • 2017
  • We attempted to develop a seafood menu by applying the most preferred recipes to the most disliked seafood menus in order to improve elementary schoolers' seafood menu preferences and consumption levels. A survey was conducted on the attitudes of 106 fifth graders about nine cooking methods and 37 school seafood menus served in the past 2 years. The deep-frying method was the most preferred by both boys and girls. The next preferred methods by boys were grilling and batter-frying while those by girls were stir-frying and batter-frying. The most disliked menus were cold jellyfish salad, mussel soup, dried-pollack soup, and sea-snail salad in that order. Mussel soup, dried-pollack soup, and seasnails salad ranked as the least preferred menu as well. Finally, standardized recipes for mussel croquette, dried-pollack Gangjeong, and batter-fried seasnails were developed. Consumption ratios of mussel croquette (85.94%), dried-pollack Gangjeong (79.55%), and batter-fried seasnails (75.5%) were significantly improved compared to the original menu (p<0.001). For mussel croquette, satisfaction scores for serving size, appearance, flavor, texture, and taste were significantly higher, and intakes of protein, phosphorus, iron, potassium, vitamin A, vitamin B1, vitamin B2, niacin, and vitamin C were significantly improved, as compared with mussel soup (p<0.001). Dried-pollack Gangjeong, texture and taste scores were significantly improved compared to dried-pollack soup. For batter-fried seasnails, protein, phosphorus, and iron intake levels and taste score were significantly improved compared to seasnail salad. Findings of the study suggest that a combination of disliked seafood ingredients and preferred recipes may be helpful in improving elementary school foodservice by increasing menu preference and consumption ratio.

The Formation of N-nitrosamine in Alaska Pollack during its Drying (명태의 건조중 N-nitrosamine의 생성)

  • SUNG Nak-Ju;LEE Soo-Jung;SHIN Jung-Hye;KIM Jeong-Gyun
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.30 no.5
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    • pp.753-758
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    • 1997
  • Dried alaska pollack is one of the representatives among dried marine fish and shellfish products in our country. This study was performed to obtain the basic data about the effect of drying method on the formation of N-nitrosamine and its precursor to ensure the safety of dried alaska pollack. The contents of nitrate and nitrite were detected 1.5 and <1.0 mg/kg in raw samples, and $3.0\~4.2,\;1.4\~2.7mg/kg$ in dried products, respectively. There was no significant change of betaine contents during drying while TMAO decreased, TMA and DMA increased in alaska pollack during d교ing. N-nitrosodimethylamine (NDMA) was only detected in alaska pollack and its dried products, and recovery from above samples spiked with $10{\mu}/kg$ for N-nitrosodipropylamine was $87.2\~107.4\%$. The levels of NDMA were found to be $2.8{\mu}/kg$ on an average in raw samples, but the levels of NDMA increased remarkably during drying of alaska pollack and its content in dried products was $8.7\~51.4{\mu}g/kg$. Regardless of drying methods, NDMA tend to increased in dried products, and its contents were 15.5 times higher in hot-air dried than raw samples, 9.0 times in sun dried and 4.4 times in freeze dried products. less NDMA was produced in the freeze dried products, so it is believed that freeze drying method is effective to decrease the NDMA levels in the dried products of alaska pollack.

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Optimization of the Fish Sausage Added with Olive Oil (올리브 오일을 첨가한 어육 소시지의 최적화 연구)

  • Lee, HeeJeong;Joo, Nami
    • The Korean Journal of Food And Nutrition
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    • v.27 no.4
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    • pp.706-715
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    • 2014
  • The purpose of this study was to determine the optimal mixing ratio of Alaska Pollack (Theragra chalcogramma) and olive oil in the preparation of sausage. The experiment was designed according to the central composite design for estimating the response surface, which demonstrated 10 experimental points including 2 replicates for Alaska Pollack and olive oil. The physical, mechanical and sensory properties of test materials were measured. A canonical form and perturbation plot showed the influence of each ingredient on the final product mixture. Measurement results of the physical and mechanical properties showed a significant increase or decrease in the following properties: dough sweetness (p<0.05); sausage L (p<0.05), a (p<0.001), and b (p<0.01); hardness (p<0.01), chewiness (p<0.05), and gumminess (p<0.01). Also, the sensory measurements showed a significant improvement in color (p<0.05), flavor (p<0.01), taste (p<0.001), tenderness (p<0.05), chewiness (p<0.01), mositness (p<0.05), and overall quality (p<0.01). As a result, the optimum formulation by numerical and graphical methods was calculated as Alaska Pollack 35.74 g and olive oil 7 g.