• Title/Summary/Keyword: Chemical cooking

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Effect of Alkali Salts Adding on the Cooking Quality in Dried Noodles (면류용 알칼리제 처리가 건면의 조리특성에 미치는 영향)

  • 문태용;이성갑
    • Journal of the Korean Professional Engineers Association
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    • v.33 no.3
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    • pp.71-79
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    • 2000
  • The effects of alkali salts adding on the cooking quality improving in dried noodles were investigated in the good texture maintaining for preventing solid soluble losses ,through chemical analysis and actual manufacturing practice ,the following results were obtained. Experiments were took a special flour of ASW:DNS=70:30, thickening agent(TA) composed of K2CO3 58%, Na2CO3 36% and Na4P2076%, and emulsified oil(EO) mixing of corn oil 44%, polysorbate 23%, emulsifier(ester of glycerin and fatty acids) 21%, soy lecithin 12%. When the mixing ratio of TA and EO to flour, is 0.03 and 1.5%(w/w) or morel than, satisfied the good quality. The water soluble solid matters content of the lowest 3.2% in the treating group that TA and EO is 0.03 and 1.5%(w/w) respectively, comparing to the 7.3% in the control group provides a excellent cooking quality. The research achieves the similar effects at specific gravity, water absorption ratio, weight increasing rate and volume expansion ratio. According to appearance test the more treating of TA turn the noodle into deeper yellow-green color. Turning to the deeper yellow color according to the increasing of EO provides better

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Comparison of Korean and Japanese Rice Cultivars in Terms of Physicochemical Properties (I) The Comparison of Korean and Japanese Rice by NIR and Chemical Analysis (한국 쌀과 일본 쌀의 물리화학적 특성 연구 (I) NIR을 사용한 한국 쌀과 일본 쌀의 품질 비교)

  • 김혁일
    • Journal of the East Asian Society of Dietary Life
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    • v.14 no.2
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    • pp.135-144
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    • 2004
  • A total of 40 Korean and Japanese rice varieties were evaluated for their main chemical components, physical properties, cooking quality, pasting properties, and instrumental measurements. Based on their quality evaluations, it was concluded that Korean and Japanese rice varieties were not significantly different in the basic components of NIR (Near Infra Red) data and the chemical analysis from the uncooked brown and milled rices. Korean rice had a little bit higher protein and amylose contents but much lower fat acidity than those of Japanese rice from the chemical analysis. From all the data of three different kinds of NIR methods, Korean and Japanese milled rice were very similar except the taste score. Japanese rice showed a slightly higher taste score, a little bit higher lightness and whiteness, but lower yellowness and redness than Korean one. From all those data of NIR and the chemical analysis, Korean and Japanese rices had very similar components except the fat content.

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Effect of Beef Growth Type on Cooking Loss, Tenderness, and Chemical Composition of Pasture- or Feedlot-developed Steers

  • Brown, A.H.;Camfield, P.K.;Rowe, C.W.;Rakes, L.Y.;Pohlman, F.W.;Johnson, Z.B.;Tabler, G.T.;Sandelin, B.A.
    • Asian-Australasian Journal of Animal Sciences
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    • v.20 no.11
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    • pp.1746-1753
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    • 2007
  • Steers (n = 335) of known genetic background from four fundamentally different growth types were subjected to two production systems to study differences in cooking loss (CL), tenderness, and chemical composition. Growth types were animals with genetic potential for large mature weight-late maturing (LL), intermediate mature weight-late maturing (IL), intermediate mature weight -early maturing (IE), and small mature weight-early maturing (SE). Each year, in a nine-year study, calves of each growth type were weaned and five steers of each growth type were developed on pasture or feedlot and harvested at approximately 20 and 14 mo of age, respectively. Data collected were CL and Warner-Bratzler shear force (WBS) for the Longissimus dorsi (LM), Psoas major (PS), and Quadriceps femoris (QF) muscles. Chemical composition was also determined from the right fore- and hindquarter. Data were analyzed using least squares analysis of variance for unequal subclass numbers. The beef growth $type{\times}production$ system interaction was significant for CL and WBS of the LM and ash in the lean trim of the forequarter. Growth types of LL and IL had greater (p<0.05) mean percentage CL in the PS and QF muscles than did IE and SE steers. Growth type LL had the highest (p<0.05) mean for both moisture and protein in the fore- and hindquarters; while SE had the lowest numerical mean value for moisture and protein in the fore- and hindquarters. Shear force of the PS did not differ (p>0.05) among steers of the four growth types. Increasing challenges to the cattle feeding industry may dictate that pasture development play a larger role in future production regimes. Producers should strive to match genetic growth type with available resources in order to remain viable and continue producing a quality product.

The Sensory and Physico-Chemical of Sous-Vide Cooking Duck Breast Meat (Sous-Vide 조리법을 적용한 오리 가슴살의 관능적 및 품질특성)

  • Ahn, Jong-Sung;Kim, Se-Han;Kim, Na-Yeon
    • The Korean Journal of Food And Nutrition
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    • v.27 no.6
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    • pp.990-998
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    • 2014
  • This study was performed to provide basic data for the sous-vide duck breast by comparing its water content, pH, color, number of microorganism, mechanical quality characteristic test, springiness, and sensory test with its control group which was cooked in traditional way. Sous-vide duck breast brightness, yellowness, and springiness. It l redness, hardness, and number of microorganism than its control group. There was no significant pH difference. Although sous-vide duck breast need longer cooking time, it was softer and had springiness. Overal-vide duck breast longer storage period and than traditionally cooked duck breast in sensory teste expected.

A New Improvement of Traditional Hanji(Korean Paper) Manufacturing Technology from Paper Mulberries (닥나무류를 이용한 전통한지 제조 기술의 개선에 관한 연구 ( I ))

  • Cho, Nam Seok
    • Journal of Conservation Science
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    • v.4 no.1 s.4
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    • pp.43-52
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    • 1995
  • This study was carried out to investigate the papermaking characteristics for New Hanji (Korean Paper) products from paper mulberries by new pulping processes. So far wood ash extractives or NaOH only have been used for cooking chemicals at the atmospheric condition. Also bast fibers only have been used as raw materials for Hanji, In this study, as the alternatives to the conventional cooking, alkali, alkali-peroxide and sulfomethylated cookings were applied at the pressurized condition for Hanji pulping, Also bast fibers, woody parts and whole woods are attempting for being utilize as new raw materials for special Hanji. Anatomical and chemical properties of 3 paper mulberry species and their pulping characteristics were analyzed.

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A Study on Rheology of the Rib-eye Cooked by Cooking Method and Cooking Utensil (Rib-eye의 조리기구 및 조리방법에 따른 물성 연구)

  • 박진수;최민경
    • Korean Journal of Human Ecology
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    • v.7 no.1
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    • pp.21-31
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    • 2004
  • This study was carried out to investigate the physico-chemical properties during the rib-eye preperation while cooked rib-eye and fine sensory evaluation by various cooked utensil (oven, fry-pan and microwave). 1) Change of moisture contents of sauce-pan boiling cooker was lower than boiling by preasure cooker and fat content of sauce-pan boiling was higher than preasure cooker boiling. 2) Degree of cholesterol of cooker meat was not change for content of cholesterol during the boiling preperation but progressively decreased in order of well-done steak < medium steak < rare steak measured by cholesterol analysis. 3) Sensory evaluation conducted by fine graduate as panelists showed that oven steak and fry-pan steak had higher score of sensory evaluation. While microwave steak had the lowest score all sensory profile score.

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Study on Tenderizing Method of Beef Based on Old Literature from Joseon Dynasty (조선시대 고문헌 분석을 통한 소고기 연화법 고찰)

  • Cha, Gyung-Hee;Kim, Seung-Woo
    • Journal of the Korean Society of Food Culture
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    • v.30 no.3
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    • pp.284-295
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    • 2015
  • Records regarding beef cuisine and its tenderization were identified in 38 publications. Old cookbooks, agricultural texts, and Joseon's encyclopedias addressed the subject 411 times. The beef recipe was as follows: cutting 184 times, seasoning 112 times, moist heat cooking 196 times, dry heat cooking 129 times, and drying off 33 times. Recipe also used main ingredients 194 times, sub ingredients 203 times, garnish eight times, and stock six times. Regarding seasoning and flavoring materials, there were a total of 41 types of spices, tenderizers, and others written 839 times. There are two main types of tenderizing beef: physical and chemical methods. A total of 18 types of natural tenderizers were written 57 times in the recipe.

Effects of Various Additives on the Volatile Compounds of Cooked Oil with Mixture Meat(Chicken and Pork) (유 가열 혼합육(계육, 돈육)의 휘발성 성분 및 각종 첨가물의 영향)

  • 홍종만
    • The Korean Journal of Food And Nutrition
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    • v.3 no.2
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    • pp.169-176
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    • 1990
  • Effects of metal chelating agents and metal ions on the volatile substance of cooked oil with chicken and pork mixture meat were examined by chemical analysis and sensory test. The addition of Na-tripolyphosphate(Na-TPP) to chicken and pork mixture meat increased the amount of H2S among volatiles evolved during cooking but decreased that of volatile carbonyl compounds(VCC) This treatment enhanced meat flavor in cooked oil with chicken and pork mixture. It was recognized that the increase in Ha5 evolution was caused by the rise of pH value. On the contrary cupric ion produced a negative effect on the production of chicken and pork mixture meat flavor and this addition increased VCC and TBA value. Other metal chelating agents such as citric acid, phytic acid and EDTA, provided the same results as Na-TPP. It was supposed that these phenomena were attributable to the chelating action to metal prooxidant in mixture meat at could be concluded that a proper evolution of H2S and protection against lipid oxidation during cooking were important to produce an excellent chicken and pork mixture meat flavor.

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Cooking and Milling Characteristics of Several Barley Starch Isogenic Lines (보리의 전분 Isogenic line들의 취반 및 제분 특성)

  • 송현숙;이홍석;정태영
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.39 no.1
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    • pp.63-72
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    • 1994
  • The relationships among the endosperm structure, physicochemical characteristics and cooking and milling properties were examined in this study by using the isogenic lines which have the same genetic background except starch characteristics. The isogenic lines were bread by combining three pairs of genes, of waxy or non-waxy, fractured or round starch granule, and shrunken or plump endosperm. Although grains weight and chemical compositions of the endosperms did not differ widely, but cooking qualities, amylose contents, $\beta$-glucan viscosities were significant differences between isogenic types. Water absorptions and expansibilities were highest in waxy lines, and lowest in fratured starch granular lines; the smaller the seed sizes were, the higher the water absorptions were. Mixogram pattern of cooked barley varied with the starch properties and milling properties were excellent in fractured granular lines, whereas those properties of the waxy and shrunken endosperm lines were not good.

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Removal of Tar from Biomass Gasification Process (Biomass Gasification 공정에서 발생하는 Tar 제거연구)

  • Kim, Ju-Hoe;Jo, Young-Min;Kim, Jong-Su;Kim, Sang-Bum
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.8
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    • pp.552-561
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    • 2018
  • Biomass, a carbon-neutral resource, is an alternative energy source for exhaustion of fossil fuel and environmental problems. Most of energy production systems using biomass operate with a thermal chemical conversion method. Amongst them, gasification generates syngas and applies to boilers or engines for the production of heat and electricity. However, Tar could be formed during the production of syngas and it is condensed at low temperature which may cause to clog the pipelines and combustion chamber, ultimately resulting in decrease of process efficiency. Thus this work utilized water and oily materials such as soybean oil, waste cooking oil and mineral oil for scrubbing liquid. The removal efficiency of Tar appeared 97%, 70%, 63% and 30% for soybean oil, waste cooking oil, mineral oil and water respectively.