• Title/Summary/Keyword: 최적 배합비

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A Study for the Physical Properties of Artificial Admixtured with β-NSF Base & Vinsol Base Surfactants (β-NSF계와 빈졸계 계면활성제로 변성된 인조석의 물성)

  • Cho, Heon-young;Park, Seong-ki;Suh, Jung-mok;Kim, Jin-man
    • Applied Chemistry for Engineering
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    • v.10 no.4
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    • pp.592-598
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    • 1999
  • Exterior finishing materials of artificial stones are manufactured with the mixture of water, cement, stone powder and light-weight aggregate. In this research, we tried to find a way of increasing the physical properties and decreasing the manufacturing cost of artificial stone. So, we used ${\beta}$-NSF base surfactant and vinsol base surfactant to the artificial stone mixture instead of light-weight aggregate. The optimum dosage of the ${\beta}$-NSF and vinsol surfactants for artificial stone are found to be 1.0 wt % of cement, respectively. The physical properties increased ca. 20% and the durability for freezing & thawing of the new artificial stone increased ca. 300%. While the manufacturing cost of the new artificial stone decreased as much as 30%.

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Development of Giant Squid (Ommastrephes bartrami) Surimi-based Products with Gel Texture Enhancers and the Effects of Setting on Gel Quality (겔 강화제를 첨가한 대왕오징어 어묵 개발 및 이의 품질에 대한 Setting의 영향)

  • Choi, Seung-Hwa;Kim, Sang-Moo
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.41 no.7
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    • pp.975-981
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    • 2012
  • Setting is an important process for the control of surimi quality in industry because it can improve the gel texture and water-holding capacity of surimi-based products. Therefore, the effect of setting on giant squid surimi-based product was analyzed via a mixture model. Konjac flour and microbial transglutaminase were used as texture enhancers. Both texture enhancers improved the texture and water retention ability (WRA) of giant squid surimi-based products, while decreasing the whiteness. Setting also improved the gel texture and WRA, while having no effect on the whiteness. Based on the sensory evaluation, the product with gel texture enhancers was better than the control and similar to commercial surimi products. Therefore, the applications of gel texture enhancers and setting are very important for the manufacture of giant squid surimi-based products.

Studies on a New Alimentotherapy for Diabetic Patients (당뇨환자를 위한 새로운 식이요법제에 관한 연구)

  • 라정찬;배진희;박형근;강경선
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.32 no.4
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    • pp.614-620
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    • 2003
  • Mulberry, Morifolium leaves and fruits, Lycii fructus, and Panax ginseng have been known to maintain normal blood sugar levels in folk medicine. Here we investigated the effects of coated rice (Sodangmi$^{TM}$) with these herb extracts to diabetes mellitus patients. Alloxan-induced diabetic mice (80 mg/kg bw, i.v.) separated into 4 groups. 2 groups received the mixed extracts of these plants (Sodans Extract$^{TM}$) orally everyday for 4 weeks. Positive control received Alloxan except Sodans Extract$^{TM}$. Negative control received neither Alloxan nor Sodang Extract$^{TM}$. Blood sugar levels, volume of water consumed, body weights of each group were measured and compared. Blood sugar levels in the Alloxan and Sodang Extract$^{TM}$-received groups got close to normal levels on 4th week after starting the experiments. Volume of water consumed also showed similar pattern. Blood sugar levels in positive control remained high through the experimental periods. Body weights in positive control remained low, but those in the extracts-received groups recovered to normal levels. The clinical trials for both of healthy volunteers and diabetes mellitus patients also showed Sodangmi$^{TM}$ could control blood sugar level. The blood sugar level decreased since 3rd week after starting to receive Sodangmi$^{TM}$, and the difference between the blood sugar level before and after the meal was decreased significantly by receiving Sodangmi$^{TM}$. From these results, we suggest that the functional rice with herb extracts could be used as a new alimentotherapy for diabetes mellitus patients.llitus patients.

Development of Dduk-Galbi Added with Ripened Korean Cabbage Kimchi (묵은지 김치를 첨가한 떡갈비 개발)

  • Lee, Jae-Joon;Jung, Hae-Ok;Lee, Myung-Yul
    • Food Science of Animal Resources
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    • v.31 no.2
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    • pp.304-310
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    • 2011
  • In this study, new dduk-galbi was developed by adding ripened Korean cabbage kimchi made with solar salt. Dduck-galbi was selected by pre-estimation for main dish to add the ripened Korean cabbage kimchi. To solve the bad smell of ripened Korean cabbage kimchi and enhance the function of the food, herb was added. The preference of the herb to kimchi was determined by sensory evaluation. The preference was in the order of rosemary > lemon balm > thyme. Sensory evaluation was adopted to determine optimal contents of ripened Korean cabage kimchi. The result showed that 10 % was best for beef dduck-galbi and 20 % for pork dduck-galbi.

Characteristics of $Mandu$ with Ripened Korean Cabbage $Kimchi$ (묵은지 첨가에 따른 만두의 품질특성)

  • Lee, Jae-Joon;Jung, Hae-Ok;Lee, Myung-Yul;Chang, Hae-Choon
    • Food Science and Preservation
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    • v.19 no.2
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    • pp.209-215
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    • 2012
  • A new recipe for $mandu$ was developed by adding ripened Korean cabbage $kimchi$. To counter the bad smell of ripened $kimchi$ and to enhance the function of the food, rosemary was added to it. The preference for the herb over $kimchi$ was determined via a sensory evaluation. The preference was in the following order from highest to lowest: rosemary, lemon balm, and thyme. Ripened Korean cabbage $kimchi$ was added to beef or pork stuffing for $mandu$. Sensory evaluation was used to determine the optimal contents of ripened Korean cabbage $kimchi$. The result showed that 75% of the $kimchi$ content was best for beef $mandu$ and 100% for pork $mandu$.

Mechanical Properties of Alkali Treated Kenaf Fiber Filled PP Bio-Composites (알칼리 처리된 Kenaf 섬유가 충전된 Polypropylene/Kenaf 바이오복합재의 기계적 특성)

  • Kim, Samsung;Lee, Byoung-Ho;Kim, Hyun-Joong;Oh, Sei Chang;Ahn, Sye-Hee
    • Journal of the Korean Wood Science and Technology
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    • v.37 no.3
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    • pp.222-230
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    • 2009
  • This study was to investigate the effect of alkali treatment for long kenaf fiber to improve fiber surface characterics by removal of wax, lignin and hemicellulose which affect adversely for matrix union. SEM observation was also studied to check out the interface adhesion improvement by the alkali pre-treatment. From the result, interface coherence increased by 3% alkali pre-treatment and reached a maximum by 5% alkali pre-treatment. However, the 3% the bio-composites treated with 3% alkali was highest tensile and flexural strength than other.

Optimization of Production and Antioxidant Effects of Beverage Prepared using Hot-water Extracts of Polygonatum odoratum, Houttuynia cordata, and Lycium chinensis (둥굴레, 어성초, 구기자 혼합 음료의 배합비 최적화 및 항산화 효과)

  • Kang, Min-Kyung;Kim, Il-Chul;Chang, Kyung-Ho
    • Food Science and Preservation
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    • v.17 no.6
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    • pp.835-846
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    • 2010
  • The manufacture of beverages prepared using hot-water extracts of Polygonatum odoratum var. pluriflorum, Houttuynia cordata, and Lycium chinensis was statistically optimized using response surface methodology. The total polyphenol content, electron donation activity, and reducing power of optimized beverages were measured to evaluate antioxidant properties. The coefficients of determination, the $R_2$ values, were 0.9887~0.9957 for color, taste and overall acceptability. Analysis of variance showed that the model fit was a statistically significant (p<0.05). The optimized compositions of processed beverages were: Polygonatum odoratum var. pluriflorum extract, 2.15%; Houttuynia cordata extract, 1.74%; and Lycium chinensis extract, 0.19% (all w/w). Total polyphenol content, electron donation activity, and reducing power of beverages of optimized composition were 3.61 mg/L, 23.78%, and 0.26, respectively.

Effects of Deoxynivalenol Reduced Barley Flours on Breadmaking Properties (Deoxynivalenol을 감소시킨 보릿가루의 첨가가 제빵 특성에 미치는 영향)

  • Hwang, Young-Hee;Lee, Won-Jong;Kim, Young-Su
    • Korean Journal of Food Science and Technology
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    • v.38 no.2
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    • pp.222-231
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    • 2006
  • Deoxynivalenol (DON)-contaminated barley was treated with 0.1 M $Na_2CO_3$ solution to reduce DON content. DON content of barley was reduced from 2.08 to 0.67 ppm. Bread was made with 10, 20, and 30% DON-reduced barley flour added to white wheat flour. Farinogram showed water absorption and arrival time increased, while stability and mechanical tolerance index decreased when DON-reduced barley flour was added to white wheat flour. Gelatinization temperature, temperature at maximum viscosity, and maximum viscosity increased in amylogram with increasing addition of DON-reduced barley flour. Loaf volume of bread decreased with increasing amount of DON-reduced barley flour, while loaf weight increased. Barley flour pH increased by treatment with$Na_2CO_3$, and pH reduction decreased fermentation rate of yeast. Volume and size of gluten matrix decreased and crumb hardened in bread made with DON-reduced barley flour. Acceptabilities for color and texture were low in bread made with DON-reduced barley flour. Addition of DON-reduced barley flour at 30% reduced overall acceptability, whereas no significant difference in overall acceptability was observed when DON-reduced barley flour was added at 10 and 20%.

Sensory Properties and Viscosity of Bechamel Sauce by Cooking Methods and Ratio of Raw Materials (조리 방법과 재료 배합비에 따른 Bechamel Sauce의 특성)

  • Oh, Chan
    • The Korean Journal of Food And Nutrition
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    • v.13 no.4
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    • pp.307-311
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    • 2000
  • Sauces are various combination of ingredients mixed together, usually cooked, and in some stage of liquidity. Sauces are used to enhance the flavor of food dishes and to hold ingredients together while a food dish is being cooked. A cooked sauce is combination of a fat, thickener, and liquid. The degree of thickness of the sauce will vary with the proportions of the ingredients. the gelling characteristics of the thickener, and the length of the cooking time. The purpose of this study was to investigate the sensory properties and viscosity of a medium Bechamel sauce differing from cooking methods and ratio of raw materials. Objective evaluation was done by viscometer and line spread chart. Sensory evaluation was done by a panel of 8 judges majoring in food and nutrition. Viscosity of Bechamel sauce was decreased by increasing the amount of milk. Spreadability was increased by increasing the amount of milk, Vice versa. As a result of the sensory evaluation for Bechamel sauce made with various levels of milk, Bechamel sauce having mixture ratio of 1 butter, 1 flour, and 17 milk was the most preferable. Sauteing onion with butter was the most desirable method.

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A Study on the Behaviors of Inorganic Fillers in Recycling of the Waste Agricultural Plastic Films (I) - Effects on the Addition of Calcium Carbonate and Calpet - (무기(無機) 충진재(充鎭材) 첨가(添加)에 따른 재생(再生) 폐(廢)비닐의 특성(特性) 분석(分析) (I) - 중탄과 칼펫의 첨가(添加)에 따른 영향(影響) -)

  • Ahn, Tae-Kwang;Son, Sang-Jin;Kim, Hea-Tae;Kim, Myoung-Ho;Zhou, Gong-Ming;Chen, De-Zhen
    • Resources Recycling
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    • v.17 no.3
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    • pp.10-20
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    • 2008
  • In order to study the behaviors of inorganic fillers in recycling of the waste agricultural plastic films, the washed PE fluffs from Shihwa and Jungeup Plant belonging to ENVICO were used respectively. First of all, the test pellets were manufactured by adding of inorganic fillers suchlike calcium carbonate and calpet by certain portions to PE fluffs and then the tested sheets were formed. The mechanical and thermal properties of the samples were measured and compared with others. The items measured were tensile, flexural, Izod impact, HDT, MFT, and so on. Morphologies were also investigated for various samples using the SEM. Finally, optimum ratios between recycled PE and inorganic additives were found out for the best products in physical condition as well as in economic point of view.