• Title/Summary/Keyword: textural characteristics

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Sensory and textural characteristics of Solsulgi using varied levels of pine leaves powder and different types of sweeteners (찹쌀가루를 첨가한 솔설기의 재료배합비에 따른 관능적ㆍ텍스쳐 특성)

  • 이효지;정낙원;차경희
    • Korean journal of food and cookery science
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    • v.18 no.6
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    • pp.661-669
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    • 2002
  • The objectives of this study was to investigate the sensory and quality characteristics of Solsulgi made from rice flour and glutinous rice flour containing 1, 2, or 3% of pine leaves powder. The results of sensory evaluation showed that Solsulgi containing 1% pine leaves powder had high overall acceptability, chewiness and sweetness preference. In the results of textural analysis, the hardness was decreased by adding pine leaves powder. Hunter color L-value of Solsulgi decreased by increasing the level of pine leaves powder. The more pine leaves powder was added, the a-value and b-value of Solsulei were decreased. The moisture content was higher in Solsulgi with sugar than honey and oligo-saccharide.

Effects of Cross-Head Speed And Probe Diameter on Instrumental Measurement of Tomato Firmness

  • Batu, Ali;Thompson, A.Keith
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.1340-1345
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    • 1993
  • Five textural characteristics , epicarp strength, deformation , firmness , toughness and penetration time were calculated from force/deformation curves obtained by pressure testing tomato fruits. The fruits were harvested at either the mature-green or red maturity stages. The effects of changing the probe diameter and cross-head speed were investigated on force/deformation characteristics of tomatoes. It was confirmed that increasing of cross-head speed and probe diameter highly significantly effect all textural of the characteristics mentioned above , except epiarp strength of red tomatoes at 200 mm minute cross-head and penetration time of red and green tomatoes after 200mm minute and 100 mm minute cross-head respectively.

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Quality Characteristics of Sulgidduk Added with Black Ginseng Extracts (흑삼 추출물을 첨가한 설기떡의 품질특성)

  • Kim, Ae-Jung;Shin, Seung-Mee;Jung, Jung-Suk
    • The Korean Journal of Food And Nutrition
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    • v.23 no.3
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    • pp.386-391
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    • 2010
  • Sulgidduk samples containing control, 0.5, 1, 1.5 and 2% black ginseng extracts and a control were examined for moisture content, color, textural characteristics, and sensory qualities to determine the optimal ratio of black ginseng extracts in the formulation. The moisture content of sulgidduk added with black ginseng extracts was 37~40%. Additionally, the lightness decreased and the redness and the yellowness increased as the black ginseng extracts content increased. Hardness, springiness, gumminess and chewiness increase with the addition of black ginseng extracts. however, adhesiveness did not differ significantly among the groups. Sulgidduk containing 1% black ginseng extracts received the highest scores for color, flavor, texture and overall preference. Based on the above results of sensory and texture analyses, sulgidduk containing 1% black ginseng extracts had the highest quality for commercialization.

The Sensory and Textural Characteristics of Chicksulgi (칡가루를 첨가한 칡설기의 재료배합비에 따른 관능적, 텍스쳐 특성)

  • 구소영;이효지
    • Korean journal of food and cookery science
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    • v.17 no.5
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    • pp.523-532
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    • 2001
  • The Purpose of this study was to investigate the sensory and mechanical characteristics of Chicksulgi by adding arrowroot flour In the sensory evaluation of Chicksulgi, the acceptance for the color, flavor and overall quality was the best when 5% arrowroot flour was added. As a result of textural analysis, the springness, chewiness, gumminess, and hardness of Chicksulgi were decreased with the increase of added arrowroot flour. The more arrowroot flour was added, the redness and yellowness of Chicksulgi were increased. The moisture content of 5% arrowroot flour-added Chicksulgi was higher than that of 15% arrowroot flour.

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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
    • Food Science and Preservation
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    • v.30 no.3
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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.

Effects of Mungbean Flour Level in Combination with Microbial Transglutaminase on Physicochemical and Textural Properties of Low-salt Pork Model Sausages

  • Lee, Hong Chul;Chin, Koo Bok
    • Food Science of Animal Resources
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    • v.33 no.2
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    • pp.221-228
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    • 2013
  • This study was performed to evaluate the effects of various levels of mungbean flour (MF) (0-2.4%) on the quality characteristics of pork model sausages (PMS) in experiment 1 and also select the optimum level of MF to enhance the water retention and gelling properties of low-salt PMS (LSPMS) with or without microbial transglutaminase (MTGase) in experiment 2. In experiment 1, the addition of MF did not affect pH, chemical compositions (fat and moisture contents), color values, and functional properties (expressible moisture, EM (%) and cooking yield, CY (%)) of PMS. However, the addition of MF increased the chewiness of PMS and hardness if the mungbean flour at the level of more than 1.2% was incorporated. Since the interaction between the microbial transglutaminase (MTGase) treatment and MF level was not significant (p>0.05), data were pooled by different factors (MTGase treatment and MF level) in experiment 2. MF improved the water binding ability and textural springiness of LSPMS. On the other hand, MTGase treatment decreased the pH and cooking yield (%) of LSPMS, but increased most textural properties. In conclusion, the addition of MF could enhance the water retention and textural properties of PMS and LSPMS, regardless of MTGase, when it was added to over 1.2%. Based on these results, mungbean protein may interact with MTGase on the low-salt comminuted meat systems. Therefore, further study might be needed to understand the mechanisms of interaction between MTGase and functional components induced from MF.

Characteristics of non-waxy rice starch/gum mixture gels (멥쌀 전분과 검물질 혼합물 겔의 특성)

  • Shin Malshick;Kwon Ji-Young;Song Ji-Young
    • Korean journal of food and cookery science
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    • v.21 no.6 s.90
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    • pp.942-949
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    • 2005
  • To improve the textural properties and stabilize the structure and gel matrix of non-waxy rice starch gels, non-waxy rice starch/gum mixture gels were prepared from various food gums, gum arabic, guar, algin, deacyl gellan, xanthan and gellan gums. The morphological and textural properties and freeze-thaw stability of their gels were compared. Rice starch/gum mixture gels with various gums formed a more homogeneous gel matrix with smaller particle size than rice starch gel without Em, but the trends differed depending on the gum types. The textural properties of rice starch/gum mixture gels were changed with the gum types. The shape of the rice starch/gum mixture gel matrix was desirable when mixed with gellan and algin. The textural properties of gels hardened in the rice starch/algin mixture gel and softened in the rice starch/algin mixture gel. The rice starch gels showed V-type crystallinity by x-ray diffractometer, but the peak at $2\theta$ = $20^{o}$ was decreased with increasing gum addition. The freeze-thaw stability increased with increasing gum addition. Gellan and algin were especially effective.

Quality Characteristics of Acorn Bread added with Milk (도토리 우유식빵의 품질 특성)

  • Kim, Jeong-Mee;Joo, Jung-Im
    • Journal of the Korean Society of Food Culture
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    • v.34 no.3
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    • pp.343-352
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    • 2019
  • The aim of this study was to optimize the best recipe to make acorn bread containing milk as a functional food. The color value, textural, and sensory properties of the acorn bread added with 10~40% ratio of milk were measured to develop the best recipe. As a result, the L-value of color increased with the amount of milk added, but the a- and b-values decreased. As the textural measurement, the hardness increased with increasing milk added. Cohesiveness and springiness decreased, but the gumminess and brittleness increased with the addition of 20% milk, and decreased with further addition. The sensory evaluation revealed color, taste, and overall acceptances to have high scores at 20% addition of milk. Softness and chewiness were good at 10% addition. During the storage periods at room temperature, the L- and b-values increased with the addition of milk, whereas a-value decreased. In freezer storage, the L-value increased with milk content added, but the a- and b-values decreased during the storage periods. The textural properties increased during the storage at room temperature. The addition of milk decreased the cohesiveness and springiness, but the gumminess and brittleness increased significantly after one day storage. In freezer storage, all textural properties increased significantly during the storage periods, but the hardness decreased after two days storage. With the increasing amount of milk added increased the cohesiveness, springiness, and the gumminess except for four days, but decreased hardness and brittleness after two days storage. Therefore the addition of milk in acorn bread improved the textural properties significantly.

Quality Characteristics of Castella with Chungkukjang (청국장을 첨가한 카스테라의 품질 특성)

  • Lee Kyong-Ae
    • Korean journal of food and cookery science
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    • v.22 no.2 s.92
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    • pp.244-249
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    • 2006
  • Castella sponge cake was prepared by partially replacing wheat flour with Chungkukjang, a Korean fermented soybean. The physico-chemical, textural and sensory characteristics were then investigated. Specific volume and expansion ratio decreased with increasing Chungkukjang content. The addition of Chungkukjang decreased the moisture content and increased the protein content of castella. Color determination showed addition of Chungkukjang darkened the internal color of castella, probably due to browning caused by the Maillard reaction. Castella with 20 or 30% Chungkukjang had a higher textural hardness than other castellas. A sensory panel perceived that the external and internal color of castella darkened with Chungkukjang substitution. When Chungkukjang was added at or above 20%, castella had a weaker sweet flavor, a stronger roasted flavor, and less lightness and softness than other castellas as perceived by the sensory panels. Up to 30% of the wheat flour could be replaced by Chungkukjang without diminishing acceptability.

Quality Characteristics of Korean Rice Cake by Freezing Methods (냉동 방법에 따른 떡의 품질특성 변화)

  • Lee, Hye-Jin;Ku, Su-Kyung;Choi, Hee-Don;Park, Jong-Dae;Sung, Jung-Min;Kim, Young-Boong;Choi, Hyun-Wook;Choi, Yun-Sang
    • Korean journal of food and cookery science
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    • v.33 no.2
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    • pp.148-154
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    • 2017
  • Purpose: Frozen Korean traditional rice cakes (Sulgitteok and Garaetteok) were evaluated different conditions ($-20^{\circ}C$ and $-10^{\circ}C$) freezing (magnetic resonance quick freezing and air blast freezing) to study differences in quality characteristics. Methods: Experiments analyze Korean rice cakes for water content, water activity, color, textural properties, and sensory characteristics. Results: Moisture content showed high value at $-20^{\circ}C$ freezing regardless of freezing method. Water activity was higher at $-20^{\circ}C$ than $-10^{\circ}C$, and water activity higher magnetic resonance quick freezing than air blast freezing. The lightness values were higher $-20^{\circ}C$ freezing temperature compare to $-10^{\circ}C$ freezing temperature. Hardness and chewiness were the lowest $-20^{\circ}C$ magnetic resonance quick freezing. sensory evaluation both Sulgitteok and Garaetteok showed better overall acceptability at $-20^{\circ}C$ magnetic resonance quick freezing. Conclusion: Therefore, the $-20^{\circ}C$ magnetic resonance quick freezing method resulted in favorable textural properties and sensory characteristics.