• Title/Summary/Keyword: salting water

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Changes in Quality Characteristics of Shark Meat (Dombaegi) during Salting Using Vacuum and Conventional Salting Methods (감압 및 절임방법에 따른 돔배기의 품질변화)

  • Kim, Do-Hoon;Lee, Shin-Ho;Youn, Kwang-Sup
    • Food Science and Preservation
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    • v.16 no.6
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    • pp.869-874
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    • 2009
  • We aimed to develop a new salting method to improve the quality of Dombaegi. The changes in quality characteristics of Dombaegi during salting using different salting methods (dry and brine salting) and salting pressures (vacuum and atmospheric pressure) were investigated. Moisture content was highest in Dombaegi prepared by brine salting under atmospheric pressure. Salt content was greater when salting was conducted under vacuum compared with atmospheric pressure. Water-holding capacity and water activity were higher under vacuum pressure than at atmospheric pressure and after dry salting compared with brine salting. Color change varied greatly when Dombaegi samples salted at atmospheric pressure and under vacuum were compared, and was affected more by dry salting than brine salting. Springiness was higher after salting under vacuum, and in dry conditions. The results showed that dry salting under vacuum provided better quality characteristics compared with other methods. Therefore, salting under vacuum was the optimal salting process.

Mass Transfer during Salting and Desalting Processes of Chinese Cabbage (배추의 염절임 및 탈염 공정중 물질이동)

  • Kim, Dong-Kwan;Kim, Myung-Hwan;Kim, Byung-Yong
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.22 no.3
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    • pp.317-322
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    • 1993
  • The diffusion phenomena of water, solid and reducing sugar in Chinese cabbage during salting (5$0^{\circ}C$, 25% salt solution) and desalting (5$0^{\circ}C$, distilled water) were investigated. Water loss and solid gain during salting were rapid in the first 6hrs and then almost leveled off. After 24hrs of salting, water loss and solid gain in 100g of initial wet Chinese cabbage were 33.35g and 6.26g respectively. Moisture content was changed from 94.29% to 83.11% during 24hrs of salting. The reducing sugar concentration was also changed from 29.2 mg/$m\ell$ to 6.5mg/$m\ell$, which was linearized as a function of the square root of salting time and showing that Y=30.1841-5.0269√t. After 24hrs salting, water gain and solid loss during desalting were rapid in the first 4hrs and then increased linearly. After 12hrs of desalting, the water gain and solid loss in 100g of initial wet Chinese cabbage were 20.82g and 9.14g respectively. The amount of solid loss after 12hrs desalting was higher than that of solid gain after 24hrs salting due to the diffusion of solute presented initially in the Chinese cabbage during salting and desalting. The concentration of salt in Chinese cabbage after 12hrs desalting was 2.98% which was a suitable salt concentration for the preparation of Kimchi. At this time, the concentration of reducing sugar was only 1.6mg/$m\ell$. The linear regression equation of reducing sugar concentration during desalting was Y=6.7854-1.5992√t.

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Quality Characteristics of Dombaegi(Salted Shark Meat) with Reference to Salt Concentration and Temperature during Dry Salting (염농도와 절임온도에 따른 돔배기의 품질특성)

  • Kim, Do-Hoon;Youn, Kwang-Sup
    • Food Science and Preservation
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    • v.16 no.5
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    • pp.656-660
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    • 2009
  • We investigated the quality characteristics of Dombaegi after drying, with respect to salt concentration (1%, 2%, 3% all w/v) and salting temperature ($4^{\circ}C$, $18^{\circ}C$), to establish optimum salting conditions. Changes in moisture and salt content, water holding capacity, water activity, color, and textual properties of salted Dombaegi were measured. The moisture content was highest in Dombaegi prepared with 3% (w/v) salt at 4C. The salt content of Dombaegi rose as salt concentration and temperature increased. The water holding capacity was greatest after salting with 3% (w/v) salt at $4^{\circ}C$. Color and texture were superior after preparation at higher salt concentrations and lower salting temperatures. Thus, the quality of Dombaegi was optimal when dry salting was performed at the highest salt concentration (3%, w/v) and the lower salting temperature ($4^{\circ}C$).

Changes in Curve-Angle of Blade during Salting of Chinese Cabbage (배추의 소금절임중 엽신의 휘임도 변화)

  • Kim, Mi-Gyeong;Kim, Il-Du;Kim, Sun-Dong
    • Food Science and Preservation
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    • v.4 no.2
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    • pp.163-171
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    • 1997
  • This study was undertaken to investigate changes m curve angle of Chinese cabbage blade during salting at various concentration(10, 15, 20, 25%) of salt to evaluated salting degree by curve angle during salting at 20$^{\circ}C$. Salt concentration of brine, the amount of water elution, salt penetration of the tissue(salt concentration of Chinese cabbage), weight loss and texture were investigated. Correlation relation between the above factors and curve angle were determined. The curve angles by method of holding the edge of the Chinese cabbage blade was measured. The curve angles of the mesophyll were proportional to salting time and salt concentration, but slope of line equation showed higher than that of mid-rib. The ideal method of salting evaluation by curve angle was MCA-MRC (the measuring curve angle of mid-rib C) at each concentration of salt. The results of curve angle when reached 3% salt of Chinese cabbage tissue calculated by MCA-MRC at 10, 15, 20 and 25% salting were 57$^{\circ}$, 43$^{\circ}$, 36$^{\circ}$, and 33$^{\circ}$, respectively. And salting times calculated by the same conditions were 19, 12.5, 9.1 and 4.4hours, respectively.

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Effects of Salting and Packaging on the Quality of Dombaeki (Shark Meat) during Storage (돔배기 저장중 염처리와 포장방법이 품질에 미치는 영향)

  • Lee, Hye-Lim;Park, Hyo-Jin;Lee, Shin-Ho;Youn, Kwang-Sup
    • Food Science and Preservation
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    • v.17 no.4
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    • pp.444-450
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    • 2010
  • We investigated the quality of Dombaeki (shark meat) treated without salting (NS), with salting (S), air-packed (A), and vacuum-packed (V), during storage at $4^{\circ}C$ and $-18^{\circ}C$. We explored water holding capacity, elasticity, total bacterial counts, pH, titratable acidity level, volatile basic nitrogen (VBN) value, and drip loss. Water holding capacity and elasticity values were better when salting and vacuum-packaging were employed than when samples were not salted and were packaged in air. The total bacterial counts in SV meat were significantly lower than in other samples. The pH of all samples increased slowly during storage, and the pH values of NSA samples were significantly higher than the pH values of other samples. The VBN level and drip loss of SV meat were the lowest of all samples during storage. The results show that salted vacuum-packed meat was of better quality than that stored without salting, and air-packed, regardless of storage temperature.

Textural Properties of Kakdugi by Salting Methods I - Water soluble pectin, PG activity, dietary fiber, total soluble solid - (절임방법에 따른 깍두기의 텍스쳐 특성 I - 수용성 펙틴, PG 활성, 식이섬유, 총수용성고형분 -)

  • 김나영;장명숙
    • Korean journal of food and cookery science
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    • v.17 no.5
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    • pp.503-509
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    • 2001
  • The effects of salting methods on textural properties of Kakdugi were evaluated during fermentation at 1$0^{\circ}C$ for up to 52 days. Kakdugi samples were prepared by 4 different salting methods at final salt concentration of 1.5%, which is appropriate for organoleptic quality. The salting methods for radish cubes(2 cm size) of Kakdugi were as follows; 1) Treatment S-1: spraying dry salt uniformly on to the radish cubes at 1.5%(w/w) and holding for 1 hr, 2) Treatment S-5: spraying dry salt uniformly on to the radish cubes at 1.2%(w/w) and holding for 5 hr, 3) Treatment B-1: brining radish cubes in a 8.5%(w/v) salt solution for 1 hr, 4) Treatment B-5: brining radish cubes in a 4.0%(w/v) salt solution for 5 hr. The contents of water soluble pectin, total soluble solid and PG activity were increased as the fermentation periods increased. A majority of total dietary fiber(TDF) consisted of soluble dietary fiber(SDF), and the amount of insoluble dietary fiber(IDF) was relatively small in Kakdugi during fermentation. Furthermore, an increase in SDF and a consequent decrease in IDF contents were observed with the fermentation time increased.

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Development of New Manufacturing Process for Changran-Jeotgal 1. Optimization of Salting Process (창란젓갈 제조의 신기술 개발 1. 염장조건의 최적화)

  • LEE Won-Dong;CHANG Dong-Suck;KANG Sun-Mo;YOON Ji-Hye;LEE Myung-Suk
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.34 no.2
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    • pp.109-113
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    • 2001
  • Changran-Jeotgal (salt fermented viscera of Alaska Pollack) produced by conventional process has been exposed to several problems, such as quality variation, salty taste and relatively short shelf-life. Therefore, Improved manufacturing process of Changran-Jeotgal was designed to resolve these problems. In this paper, we investigated the optimization of salting process. The result showed that salting stage must be maintained $11\%$ to acquire $8\%$ NaCl concentration of final products, when $12\%$ NaCl was added at $20^{\circ}C$, salting process was maintained $11\%$. Also, agitation with 10 rpm shortened salting time from 6 hours to 2 hours. To resolve the problem of water contents due to released extract from salting process, the released extract was removed at 2 hours after agitating-salting process, and it caused the water activity of products to be reduced from 0.94 to 0.88.

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Quality Characteristics of Chinese Cabbage with Different Salting Conditions Using Electrolyzed Water (전기분해수를 이용한 절임 조건에 따른 배추의 품질 특성)

  • Jeong, Jin-Woong;Park, Seong-Soon;Lim, Jeong-Ho;Park, Kee-Jai;Kim, Bum-Keun;Sung, Jung-Min
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.40 no.12
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    • pp.1743-1749
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    • 2011
  • The microbial reduction and quality characteristics of salted Chinese cabbage using electrolyzed water were investigated. The electrolyzed water was used to control the microbes in the processes of primary washing, salting, and secondary washing. The total bacteria, lactic acid bacteria, coliform, pH, salinity, vitamin C, and total sugar were analyzed. After primary washing by electrolyzed water, the total bacteria populations were reduced to 2.78 log cfu/g, and the coliform populations were similarly reduced. After secondary washing by electrolyzed water, the total bacteria population of Chinese cabbage was reduced to a maximum of 1.5 log cfu/g. The salinity of Chinese cabbage and salting solutions increased rapidly over three hours, and then increased slowly. The sterilization effect of electrolyzed salting water could not last beyond 3 hours, because the OHCl concentration of electrolyzed water was reduced by over 90% at the third hours of the salting process. Vitamin C was reduced and total sugar did not change regardless of treatments during the salting process. Consequently, electrolyzed water was effective to remove microbes from salted Chinese cabbages.

Effect of Pre-rigor Salting Levels on Physicochemical and Textural Properties of Chicken Breast Muscles

  • Kim, Hyun-Wook;Hwang, Ko-Eun;Song, Dong-Heon;Kim, Yong-Jae;Ham, Youn-Kyung;Yeo, Eui-Joo;Jeong, Tae-Jun;Choi, Yun-Sang;Kim, Cheon-Jei
    • Food Science of Animal Resources
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    • v.35 no.5
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    • pp.577-584
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    • 2015
  • This study was conducted to evaluate the effect of pre-rigor salting level (0-4% NaCl concentration) on physicochemical and textural properties of pre-rigor chicken breast muscles. The pre-rigor chicken breast muscles were de-boned 10 min post-mortem and salted within 25 min post-mortem. An increase in pre-rigor salting level led to the formation of high ultimate pH of chicken breast muscles at post-mortem 24 h. The addition of minimum of 2% NaCl significantly improved water holding capacity, cooking loss, protein solubility, and hardness when compared to the non-salting chicken breast muscle (p<0.05). On the other hand, the increase in pre-rigor salting level caused the inhibition of myofibrillar protein degradation and the acceleration of lipid oxidation. However, the difference in NaCl concentration between 3% and 4% had no great differences in the results of physicochemical and textural properties due to pre-rigor salting effects (p>0.05). Therefore, our study certified the pre-rigor salting effect of chicken breast muscle salted with 2% NaCl when compared to post-rigor muscle salted with equal NaCl concentration, and suggests that the 2% NaCl concentration is minimally required to ensure the definite pre-rigor salting effect on chicken breast muscle.

Changes in the Pectic Substance during Ripening of Salted Cucumber Pickle (염지 오이피클의 숙성중 펙틴질의 변화)

  • 오영애;이만정;김순동
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.19 no.2
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    • pp.143-150
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    • 1990
  • The changesin hardness activities of pectinestrase and polygaacturonase and amounts of pectic substances of cucumber during salting at 1$0^{\circ}C$ were investigated, The hardness of the cucumber was decreased dramatically after 3 weeks whereas activities of pectinestrase and polygalacturonase were increased until 3 weeks and 2 weeks respectively and then decrea-sed. The level of alcohol insoluble solid and protopectin in the cucumber were decreased but those of pectic acid and water soluble pectin were increased during the whole salting periods, Protopectin fractionated from alcohol insoluble solid during salting of cucumber was separated using Sephacryl S-500 It showed that high average molecular weight(AMW) of 100,000 was decreased however lower molecular weight compounds was increased. Pectic acid was observed to be decomposed from AMW 200,000 to AMW 500,000 Water soluble pectin from fresh cucumber contained higher level of pentose with peak I of AMW 2,000,000, however after 6 weeks of saltinf peak II which represented AMW 100,000 was separated. From the changes of sugar composition, the phenomena of softness during the salting was probably caused by solubilization of hemicellulose associated with pectin and decomposition of pectic substances.

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