• 제목/요약/키워드: Baking Treatment

검색결과 98건 처리시간 0.022초

거정석 첨가급여가 거세한우육의 품질 특성에 미치는 영향 (Effects of Dietary Addition of Pegmatite on the Meat Quality Characteristics of Hanwoo Steers)

  • 김병기;하재정;이준구;오동엽;정대진;김대현;황은경
    • 한국식품영양학회지
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    • 제30권6호
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    • pp.1235-1244
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    • 2017
  • The purpose of this study was to investigate the effect of dietary addition of pegmatite for Hanwoo steers on the carcass characteristics. Based upon the findings yielded by the research referenced above, the results may be summed up as follows : Oleic acid was for the most part, higher as T2 plots (45.40%) and T3 plots (44.20%) compared with Con. plots (42.50%). As well, this study has shown that the treatment plots in unsaturated fatty acid (UFA), monounsaturated fatty acid (MUFA) and polyunsaturated fatty acid (PUFA) were largely higher than that of Con. plots, and of them all, T2 plots were highest. As for the melting point of fat, T2 plots ($29^{\circ}C$) were largely lower than that of Con. plots ($31.9^{\circ}C$). This study has shown that the treatment plots were significant higher as the content of total essential amino acid and total amino acid and inosine monophosphate in the nucleotide compound for the Hanwoo beef was treatment plots when compared with Con. plots.

압출성형 및 효소처리가 전곡립의 특성에 미치는 효과 (Effects of Extrusion and Enzyme Treatment on Characteristics of Whole Grains)

  • 신해헌;박보선;이선희;김영숙;황재관
    • 한국식품과학회지
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    • 제37권1호
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    • pp.15-22
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    • 2005
  • 전곡립(whole grains)의 압출성형 및 효소처리에 따른 가공학적 특성과 생리적 특성을 연구하였다. 압출공정 처리한 전곡립 시료의 이화학적 특성은 호화도, 소화도, 저향전분 등을 측정하였으며, 이를 압출공정 처리하지 않은 생원료 및 볶음시료와 비교하였다. 압출공정은 모든 곡류의 호화도를 크게 증가시켰으며, 특히 보리의 경우에는 압출공정에 의해 원료시료 보다 약 7배정도 증가하였다. 소화도 역시 압출공정에 의해 원료시료나 볶음시료에 두드러지게 증가하여 보리의 경우 2.6배까지 증가하였다. 또한 압출공정에 의해 저항전분의 감소 등이 뚜렷하게 관찰되었다. 전곡립을 압출공정과 식물세포벽 분해효소를 복합적으로 처리한 경우 처리하지 않은 원료와 비교하여 ${\beta}-sitosterol$이 최대 13배까지 증가하였다. 압출공정 후 효소처리는 생리활성 물질의 유리효과 뿐만 아니라 수용성 식이섬유 함량의 증가 소화율의 증가 등 각종 이화학적 특성도 향상시키는 것으로 나타났다. 이러한 결과는 압출공정과 효소처리를 복합적으로 적용하였을 때 전곡립의 가공학적 특성과 생리적 특성이 뚜렷하게 향상되는 것을 의미하는 것으로 산업적인 유용성이 매우 높다.

무전해 Ni-B 도금을 이용한 플라즈마 디스플레이 버스 전극용 확산방지막의 열처리 영향 (Effect of Heat Treatment of the Diffusion Barrier for Bus Electrode of Plasma Display by Electroless Ni-B Deposition)

  • 최재웅;황길호;홍석준;강성군
    • 한국재료학회지
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    • 제14권8호
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    • pp.552-557
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    • 2004
  • Thin Ni-B films, 1 ${\mu}m$ thick, were electrolessly deposited on Cu bus electrode fabricated by electro deposition. The purpose of these films is to encapsulate Cu electrodes for preventing Cu oxidation and to serve as a diffusion barrier against copper contamination of dielectric layer in AC-plasma display panel. The layers were heat treated at $580^{\circ}C$(baking temperature of dielectric layer) with and without pre-annealing at $300^{\circ}C$($Ni_{3}B$ formation temperature) for 30 minutes. In the layer with pre-annealing, amount of Cu diffusion was lower about 5 times than that in the layer without pre-annealing. The difference of Cu concentration could be attributed to Cu diffusion before $Ni_{3}B$ formation at grain boundaries. However, the diffusion behavior of the layer with pre-annealing was similar to that of the layer without pre-annealing after $Ni_{3}B$ formation. With increasing annealing time, Cu concentration of both layers increased due to grain growth.

자색고구마를 첨가한 스펀지케이크의 항산화성 및 호화 특성 (Antioxidative Activities and Gelatinization Characteristics of Sponge Cake added with Purple Sweet Potato)

  • 김종희;이근종
    • 동아시아식생활학회지
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    • 제23권6호
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    • pp.750-759
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    • 2013
  • In the study, purple sweet potato sponge cake was prepared with different ratios of purple sweet potato powder in order to examine the antioxidative activities and gelatinization characteristics. For DPPH radical scavenging effect, content of $IC_{50}$ came out with (+) control group of BHA. Sponge cake with purple sweet potato powder of 0% showed a range of 49.7 mg/mL, The treatment groups with purple sweet potato powder of 5~30% showed a range of 25.0 mg/mL~6.0 mg/mL. That was, the higher the added quantity of purple sweet potato powder was, antioxidative activities increased. With the higher quantity of purple sweet potato, the content of phenols and flavonoids also increased. As a result of examining the gelatinization activity with DSC, the group with purple sweet potato powder showed a faster progress in temperature for starting gelatinization compared to the control group. Gelatinization activity increased in proportion to the content of purple sweet potato powder. Based on the above study results, it was proved that there is a possibility to produce baking processed foods using purple sweet potato with stable gelatinization and excellent antioxidative activities.

프럭토올리고당 첨가가 반죽의 물성과 식빵의 품질 특성에 미치는 영향 (Effects of Fructooligosaccharide on Textural Properties of Dough and Quality Characteristics of White Pan Bread)

  • 김영호;박주연
    • 한국식품영양학회지
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    • 제30권6호
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    • pp.1310-1318
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    • 2017
  • This study was conducted to evaluate characteristics of bread and rheology of flour dough containing fructooligosaccharide. In the farinogram test, addition of fructooligosaccharide changed stability and development time. Stability and development time increased as the amount of fructooligosaccharide increased. In the extensograph test, the degree of extension decreased with increasing of fructooligosaccharide content, whereas degree of resistance increased. The volume of the loaf bread containing 10% fructooligosaccharide was the largest, and the bread containing 15% fructooligosaccharide revealed the best taste, flavor, and texture scores. After fermentation treatment, the volume of the dough with 20% of sucrose were less than that of 20% of fructooligosaccharide. Dough with 20% of sucrose revealed lowest dough raising power compared to other doughs. Overall, preference scores by sensory evaluation of bread containing fructooligosaccharide were higher than that of bread with sucrose. Therefore, excellent quality of bread may be achieved by adding fructooligosaccharide instead of sucrose to the process.

마늘과 향신료 첨가가 난황과 감람유 유화의 관능적 특성 (Effective of Extract Garlic, Spices of Emulsified with Egg-Yolk & Olive Oil)

  • 장혁래
    • 한국관광식음료학회지:관광식음료경영연구
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    • 제13권2호
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    • pp.119-127
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    • 2002
  • 본 연구는 Liquid egg yolk sabayon을 만들 때 버터 대신에 올리브오일과 마늘 첨가량을 달리하여 관능적 평가를 실시하여 조리표준화의 예시를 제시하고자 한다. 1, 맛에서는 마늘 10g 첨가에서 5.61로 대조군의 5.13보다 좋았다. 2. 색에서는 마늘 20g 첨가가 가장 높은 점수를 얻었고, 마늘 30g가 나쁘게 나타났다. 3. 향에서는 마늘 10g 첨가가 대조군 보다 좋았고 마늘 첨가군 모두가 대조군 보다 좋았다. 4. 종합적인 면에서도 마늘 10g첨가가 우수한 것으로 나타났다. 따라서 Liquid egg yolk sabayon을 만들 때 적당량의 마늘을 첨가하는 것이 좋을 것으로 사료되어 진다.

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Bifidobacterium bifidum을 첨가한 밀가루 Brew의 천연제빵개량제로서의 효과 (Effects of Flour Brew with Bifidobacterium bifidum as a Natural Bread Improver)

  • 조남지;김혁일;김성곤
    • 한국식품영양과학회지
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    • 제28권6호
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    • pp.1275-1282
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    • 1999
  • To investigate the effect of flour brew with bifidobacteria on bread characteristics, flour brew with bifidobacteria was added to baking after 16 hour incubation at 37oC. The more addition of flour brew, the higher gassing power, the better machinality of dough were obtained, resulting in the larger specific volume of bread. Flavor profile analyzed by Electronic Nose System showed that flavor components of 30% flour brew were decreased comparing with those of control and there was shown definite difference in sensory characteristics between them. Staling studies of bread containing flour brew indicated had a definite effect in retarding the staling rate of bread, with time constant calculated in 30% treatment being 3.09 days and in control being 2.08 days. The enthalphy of gelatinization was decreased from 2.51J/g to 0.61J/g with increment of flour brew, suggesting that starch crystallization is delayed. conclusion, Flour brew fermented by bifidobacteria can be used as a natural bread improver with so many benefits as better machinality, one more day storage period, slower staling rate, better bread volume and more appealing bread flavor.

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과당 첨가가 당알코올 첨가빵의 품질에 미치는 영향 (Effect of Fructose on the Quality of the Bread added with Sugar Alcohol)

  • 김영호
    • 한국식품영양학회지
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    • 제29권6호
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    • pp.889-898
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    • 2016
  • This study was to evaluate the characteristics of bread and the rheology of flour dough containing sugar alcohols, after addition of fructose. In the farinogram tests, the addition of sugar alcohol changed the stability and mixing tolerance index. The stability and mixing tolerance index of farinogram increased as the amount of sugar alcohols increased. Amylograms revealed that the increase in gelatinization temperature and maximum viscosity of wheat flour dough with sugar alcohols was more than that of controls. Extensogram of dough with sugar alcohols exhibited higher extensibility and resistance. After fermentation treatment, the dough volumes prepared with only sorbitol and xylitol were lesser than those prepared after addition of fructose. The volume of loaf and specific volume of bread containing sugar alcohols with fructose significantly increased. The breads containing sugar alcohols showed greater taste, flavor and texture scores, for breads prepared with either sorbitol with fructose or xylitol with fructose, compared to breads without fructose. Overall preference scores by sensory evaluation of bread containing sugar alcohols with fructose were higher than bread with only sugar alcohols. These results indicate that the addition of fructose improves the flavor of bread containing sugar alcohols.

인쇄용 페이스트의 조성변화가 탄소나노튜브 캐소드의 전계방출 특성에 미치는 영향 (Effects of Materials Composition in CNT Paste on Field Emission Properties in Carbon Nanotube Cathodes)

  • 최우석;신허영;김동희;안병건;정원섭;이동구;조영래
    • 한국재료학회지
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    • 제13권10호
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    • pp.663-667
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    • 2003
  • The effects of paste materials on field emission properties in a carbon nanotube(CNT) cathode were investigated for high-efficient field emission displays. The major components in CNT paste for screen printing were a metallic Ag-paste, a dielectric glass-frit and CNT ink. The emission current from the cathode by an electron tunneling effect increased with an increase in the dielectric material fraction in the CNT paste, which is related to an increase of field enhancement factor in Fowler-Nordheim equation. The surface treatment used, after soft baking of the screen-printed CNT films, greatly affected the decrease in the turn-on field in CNT cathode and the uniformity of emission sites over the entire CNT film area.

Comparison of Oral versus Rectal Administration of Processed-Scutellaria baicalensis on Colonic Inflammation in Mice

  • Choi, Yeon-Ah;Kim, Dae-Ki;Chun, Myung-Kwan;Choi, Hoo-Kyun;Lee, Young-Mi
    • Journal of Pharmaceutical Investigation
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    • 제39권5호
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    • pp.381-386
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    • 2009
  • We previously showed that the water extracts of rice wine-baked Scutellaria baicalensis Georgi (RWBS) ameliorated colonic inflammation more than crude Scutellaria baicalensis (CS) after oral administration. The aim of this study is to compare the effect of rectal and oral administration of RWBS in the experimental colitis. Experimental colitis was induced in mice by daily treatment with 5% dextran sulfate sodium (DSS) in the drinking water for 7 days. Water was used as vehicle of oral administration, while Carbopol/PEG mucoadhesive gel was used as vehicle of rectal administration. RWBS and RWBS gel (RWBSG) were administered once per day for 7 days. RWBS and RWBSG significantly attenuated the disease activity index (DAI) calculated as the sum of scores of body weight loss, stool consistency and rectal bleeding. Furthermore, RWBS and RWBSG reduced the mucosal myeloperoxidase activity and COX-2 (cyclooxygenase-2) expression in colon tissue. Anti-inflammatory effect of CS on colonic inflammation was increased by baking with rice wine in both oral and rectal administration. Moreover, anti-inflammatory effects of oral administration on colonic inflammation was greater than those of rectal administration. Further study would be required for the development of intra-rectal formulation.