• 제목/요약/키워드: the textural

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젤화제를 달리한 오미자(五味子) 편(片)의 질감특성(質感特性) 연구(硏究) (Effects of Various Gelling Agents on Textural Properties of Omija Pyon)

  • 송은승;정혜경;강명화
    • 한국식생활문화학회지
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    • 제8권3호
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    • pp.289-293
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    • 1993
  • This study was done to evaluate the effects of various gelling agents on textural properties of omija pyon. As a gelling agent, mungbean starch had been used in traditional omija pyon. In this experiment, gelatin and pectin were also tried for better texture. The results of this study were as follows; 1) One percent pectin addition showed desirable textural properties in both starch and gelatin jelly. 2) No significant effect on rheological values was found according to various sugar concentration(10, 15, 20%). 3) There was a saving effect of sugar concentration when adding 1% pectin to starch jelly, comparing textual properties as sensory scores.

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Sensory Property Improvement of Jokbal (Korean Pettitoes) Made from Frozen Pig Feet by Addition of Herbal Mixture

  • Hwang, Young-Jung;Hwang, Seol-A;Lee, Ju-Woon
    • 한국축산식품학회지
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    • 제36권1호
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    • pp.19-22
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    • 2016
  • This study was conducted to improve sensory quality of Jokbal (Korean Pettitoes) made from frozen pig feet by addition of herbal mixture (glasswort, raspberry and Sansa powders). After adding herbal mixture, lipid oxidation (2-thiobarbituric acid values, TBARS), sensory property, and textural property were determined. Herbs were individually added into cooking soup at concentration of 6% (low concentration treatment, LCT) or 12% (high concentration treatment, HCT) of raw pig feet. Refrigerated pig feet were used as control. Thawed feet without any herbal mixture were used as freezing treatment (FT). TBARS in LCT or HCT were lower than that in FT, and showed the similar to that in Control. Addition of the herbal mixture was effective in improving the flavor and textural property of thawed feet by inhibiting lipid oxidation and protein denaturation in a dose-dependent manner.

전분을 첨가한 글루텐 프리 쌀 파스타의 텍스처 특성 (Textural Properties of Gluten-free Rice Pasta Prepared Employing Various Starches)

  • 정진혁;윤혜현
    • 한국식품조리과학회지
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    • 제33권1호
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    • pp.28-36
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    • 2017
  • Purpose: This study was conducted to understand the factors that affect the texture of gluten-free rice pasta prepared buckwheat, mung bean, and acorn starches and to compare textural properties of samples 100% semolina. Methods: The moisture content, weight and water absorption test investigated and texture profile analysis measured by texture analyzer. Results: 100% semolina sample's value was lower than gluten-free rice pasta moisture content, weight and water absorption test. moisture content weight was in pasta with mung bean starchin pasta with buckwheat starch. Texture profile analysis showed that increasing amount of buckwheat, mung bean, and acorn starches increased hardness, chewiness, cohesiveness and springiness, and decreased adhesiveness of gluten free rice pasta. Conclusion: This study suggested that adding buckwheat, mungbean and acorn starches could improve texture properties of gluten-free rice pasta.

벤젠 유기물 도입에 따른 실리카 기반 에어로겔의 소수성 및 기계적 특성 연구 (Study on the Hydrophobicity and Mechanical Properties of Silica-Based Aerogel by Introducing Organic Benzene)

  • ;이지훈;;최하령;김태희;박형호
    • 마이크로전자및패키징학회지
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    • 제27권4호
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    • pp.135-141
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    • 2020
  • 실리카-벤젠 에어로겔은 균일하고 정렬된 네트워크 기공 구조, 개선된 기계적 특성을 갖도록 합성되었다. 실리카 에어로겔의 기계적 특성을 향상시키기 위해 유기물을 첨가하는 것이 일반적인 방법이지만, 기공 특성이 유-무기 상분리 현상으로 인해 감소한다. 본 연구에서는 실리카 기반 에어로겔의 기공 특성을 유지하면서 동시에 기계적 물성을 높이기 위해 간단하고 저렴한 방법을 사용하였다. 기공 및 기계적 특성에 대한 하이드록실 결합수의 영향을 연구하기 위해 두 가지 유형의 벤젠 브리지 전구체를 사용하였다. 다공성 실리카 에어로겔은 간단하고 비용-효율적이며 무공해인 졸-겔방법으로 제조되었다. 최종적으로 제조된 실리카-벤젠 에어로겔은 추가적인 silylating reagents없이 우수한 기공 특성, 높은 비 표면적(1,326 ㎡/g), 다공성 구조 및 소수성(>140°)을 가졌다. 일부 샘플(2T4)의 경우 기계적 강도는 순수 실리카 에어로겔의 5 배 이상을 보였다.

김치저장중 총세균.유산균 및 물성변화에 관한 연구 (Change of Total Bacteria, Lactic bacteria and Textural Parameters during Kimchi Preservation)

  • 임국이
    • 대한가정학회지
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    • 제25권4호
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    • pp.57-62
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    • 1987
  • To obtain basic data for the decvelopment of Kimchi preservation method, optimal ripening Kimchi was air-packaged with polyethylene bag, and followed by the microbiological, firmness and sensory evaluations during storage at 5$^{\circ}C$. 1. Total aerobic count increased in the beginning of storage and then decreased slowly as the number of total Lactic bacteria(anaerobe) in creased. 2. Textural parameters were remarkably changed according to the elapse of storage period. 3. Sensory evaluation showed that the score was decreased considerably 10 days after storage.

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김치의 숙성과정 중 조직감의 변화 (Changes in Textural Properties of Kimchi during Fermentation)

  • 이귀주
    • 동아시아식생활학회지
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    • 제5권3호
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    • pp.359-370
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    • 1995
  • Kimchi is a traditional fermented vegetable in Korea. It has unique taste and flavor due to the variability of raw vegetable, subingredient and their ratio of combination. Fermentation method have very critical effect on these charicteristics. Overall taste of Kimchi is also influenced by texture. In this paper, the changes in texture of Kimchis were reviewed related to pectic substance, enzymatic activities and other chemical changes during the fermentation of Kimchi. Moreover, treatments to prevent softening of Kimchi texture such as preheating, CaCl$_2$ addition, their combination effect and chitosan addition were summarized from the literatures.

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대용 식품의 텍스츄어 특성 및 그의 측정 방법 (Desired Textures of Food Analogs and Methods of Measuring Their Textural Properties)

  • 말콤C.부르네
    • 한국식품과학회지
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    • 제7권3호
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    • pp.168-180
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    • 1975
  • Analogs and extenders should have mouthfeel and chewing characteristics that are similar to the food they are replacing or extending. Instrumental methods can measure some of the physical properties that constitute 'texture' but only sensory methods can provide a complete description and quantification of the textural properties of a food. Instrumental methods and sensory methods for measuring texture are reviewed.

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Impact of Cooking pH Values on the Textural and Chemical Properties for Processed Cheeses with/without the Use of Traditional Village Cheese during Storage

  • Bulut-Solak, Birsen;Akin, Nihat
    • 한국축산식품학회지
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    • 제39권4호
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    • pp.541-554
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    • 2019
  • Processed cheeses (PCs) were made under varying cooking pH values (5.3, 5.4, 5.5, and 5.6) using a processed cheese cooker. Along with emulsifying salts (2.5%), distilled water, NaCl (2%) and a colouring agent under these cooking pH values, the PC samples made with either 100% fresh curd and rennet casein coded processed cheese control ($PC_C$) as control or ~70% fresh curd-~30% traditional village cheese coded processed cheese with village cheese ($PC_V$). The main aim of this study was to determine the effect of the varying cooking pH values on the textural properties for the PCv samples compared with the control sample during 90 days of storage. Chemical and textural properties of all PC samples were investigated over time. The chemical compositions of the PC samples (dry matter and ash) increased at d 90 of storage significantly, due to 1-d ripening of all PC samples at ambient temperature in terms of the manufacturing protocol of the cheese. The textural properties of the PC samples were altered by the varying cooking pH values. It may propose that the interactions of the proteins at the cooking pH values during processing and biochemical mechanisms in the cheese systems could likely affect the texture of the PC samples over time. Hardness, gumminess and chewiness values of all PC samples also increased over time (p<0.05). This study is also to give some knowledge on the design of PC manufacture to cheese makers, and a marketing opportunity to local cheese makers who individually make a traditional village cheese in Turkey.

Formulation of functional mayonnaise with defatted wheat germ flour as egg yolk substitute: Rheological, textural and stability analyses

  • Mehran Aalami;Mahshid Rahbari;Salar Ali Ahmed;Alireza Sadeghi Mahoonak;Mahdi Kashaninejad;Hamed Hassanzadeh
    • 한국식품저장유통학회지
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    • 제30권3호
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    • pp.405-418
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    • 2023
  • The aim of this research was to study the feasibility of the defatted wheat germ flour (DWGF) alone or in combination with xanthan gum (XG) as egg yolk substitutes in mayonnaise formulation. In this research, DWGF was used at different levels (0, 25, 75 and 100%) alone or in combination with the XG (0.2%) as egg substitutes. The effects of these substitutions on the stability, textural and rheological characteristics of mayonnaise were investigated. According to the results, DWGF can be used as an egg yolk substitute in mayonnaise. Combining DWGF and XG as egg yolk substitute, improved the stability, textural and rheological properties. Mayonnaise with 100% egg yolk replacement showed the hardest structure, while the lowest firmness value was obtained in the control containing 100% egg yolk. Also, the highest adhesiveness value occurred in the sample with 100% DWGF. The thixotropic behavior was observed for all investigated mayonnaise samples over the all ranges of the studied shear rate (0.05-450/sec). Furthermore, the highest content of consistency coefficient value was observed in the sample with 100% DWGF and 0.2% XG. Therefore, it can be concluded that low-cholesterol mayonnaise with proper stability, textural and rheological characteristics are achievable by applying of the desirable combination of DWGF and XG.