• 제목/요약/키워드: Texture properties

검색결과 2,130건 처리시간 0.031초

Quality Evaluation for Vegetable Use in Local Soybean Cultivars with Various Seed Coat Color

  • Lee, J. D.;Hwang, Y. H.
    • 한국작물학회지
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    • 제43권2호
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    • pp.83-88
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    • 1998
  • From the evaluation of physical properties such as springiness, gumminess, adhesiveness, chewiness and hardness by the texture analyzer, vegetable soybean lines with green seed-coat were best as compared with those with black, brown, mixed, and yellow seed-coats. A panel test evaluated on the basis of taste, sweetness, chewiness, and total scores also indicated that soybean lines with green seed-coat were the best. The total scores of panel test was decreased in the order of green > yellow> black> brown seed-coat colored soybean. The mean value of sucrose content obtained by HPLC analysis was highest in black seed-coat colored soybean, and followed by green, yellow, and brown soybeans. The highest sucrose content (8.22%) was observed in 180362, a soybean line with green seed-coat. The full-season type soybeans showed much higher sucrose content than summer types which are mainly cultivated on farmer's fields for vegetable purposes. The final 13 lines selected from 300 colored soybeans showed nearly the same panel scores as Miwongreen. However, these lines had a great deal of variation in sucrose content, and much higher readings in texture analysis than Miwongreen, especially in chewiness and hardness which were the most important properties in vegetable soybeans.

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Cu 첨가에 따른 Nd-Fe-B strip cast의 미세조직과 자기적 특성의 상관관계 (Effect of Cu Content on Microstructural and Magnetic Properties of a Nd-Fe-B Strip Cast)

  • 박송이;김태훈;이성래;김동환;남궁석;장태석
    • 한국분말재료학회지
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    • 제18권1호
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    • pp.24-28
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    • 2011
  • Effect of Cu content on microstructural and magnetic properties of a $(Nd_{26.06},Dy_{6.51})Fe_{bal.}$ $Cu_xB_{0.97}$(wt.%), (x = 0.2, 0.3, 0.4, 0.5) strip-cast was studied. The average inter-lamellar spacing in the free surface and wheel side of the strip cast increased as the Cu content increases. The grain uniformity, the grain alignment, and (00L) texture of the strip cast increased with Cu contents up to 0.4 wt.%. These microstructural changes were attributed to the decrease of the effective cooling rate of the melted alloy caused by the decrease of the melting temperature of resulting from Cu addition. Coercivity and remanence were increased because of the grain alignment and (00L) texture improvement with Cu contents up to 0.4 wt.%.

대면적 절판지붕용 녹화시스템의 토성기반 수문학적 최적모델 도출을 위한 전산 모의연구 (Computer simulation study to generate an optimal hydrologic model based on the soil properties of the large area plate roof greenery system)

  • 김태한;이지원
    • KIEAE Journal
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    • 제16권1호
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    • pp.73-79
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    • 2016
  • This study aimed to investigate the flood prevention effect expected from the afforestation of a large area metal roof of an industrial complex located in an area prone to floods in the rainwater outflow reduction aspect through computer simulation based on soil, which is a key element of the system. In order to conduct a more realistic simulation, the properties of the surveyed soil were generated through substantive analysis, soil texture analysis, and saxton method. A comparative performance evaluation was conducted by using soil depth and ponding depth, which are key elements of the system, as variables. The study result showed that during the heavy rainfall period, the bottom ash artificial soil had 61% rainwater outflow reduction effect, which was 11% higher than the SWMM standard sand.

어묵제품에 있어서 단백질 첨가의 기능 (Function of Nonfish Proteins in Surimi-Based Cel Products)

  • Chung, Kang-Hyun;Lee, Chong-Min
    • 한국식품조리과학회지
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    • 제10권2호
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    • pp.146-150
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    • 1994
  • 생선 어묵에 대두분리단백질, 난백, 유청단백질, 글르우텐과 같은 단백질들을 첨가하였을 때 그들이 어묵의 조직감을 수사하는 기능이 평가되었다. 단백질들은 어묵의 강도, 경도와 층밀림성을 감소시켰다. 단백질이 첨가된 어묵제품은 관능검사에서 제품의 질김성, 씹힘성 및 경도에 대한 강도는 감소시켜주는 반면 이들에 대한 종합적 기호도는 증가시키는 것으로 나타났다. 첨가제로 사용하였던 단백질 자체로 만든 겔의 강도는 이들 단백질을 첨가하여 만든 어묵의 겔 강도와 역비례 관계를 나타냈으며, 첨가한 단백질들이 어묵의 조직감을 수사하는 기능적 특성은 각 단백질들의 수화능력과 겔화 특성 등에 기인하는 것으로 나타났다.

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재배 조건 및 재배 지역에 따른 콩의 이화학적 특성 및 두부 품질에 미치는 영향 (Physicochemical Characteristics of Soybeans Grown in Different Origins and Cultivation Methods Accompanying Tofu Properties)

  • 이선미;황자영
    • 한국식품영양학회지
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    • 제27권2호
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    • pp.302-309
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    • 2014
  • In this study, the characteristics of soybeans with different cultivation methods depending on their origins and the properties of tofu made from these soybeans were studied. The isoflavone content was higher in the general Korean soybeans compared to the organic American soybeans. There were no significant differences among the Chinese soybean samples, so the cultivar method was considered to have a greater effect on the isoflavone contents rather than the cultivation method. The protein contents were higher in the tofu made from the general Chinese soybeans and the organic Korean soybeans. Furthermore, the tofu made from the organic Chinese soybeans contained the least amount of proteins. Isoflavone contents were not significantly different among the samples. Texture profile analyses consisting of hardness, cohesiveness, adhesiveness, springiness, and gumminess were all shown to be higher in the organic tofu than in general tofu, with the exception of adhesiveness. In sensory evaluation, color and texture were significantly different according to the samples, and the differences were found to be affected more by the origin of soybeans rather than the cultivation methods. According to this study, the physicochemical properties of the soybeans and tofu seemed to be influenced by the cultivation region rather than the methods.

Physicochemical and Sensory Properties of Red Ginseng Extracts or Red Ginseng Hydrolyzates-added Asiago Cheese during Ripening

  • Choi, Kyung-Hoon;Min, Ji-Young;Ganesan, Palanivel;Bae, In-Hyu;Kwak, Hae-Soo
    • Asian-Australasian Journal of Animal Sciences
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    • 제28권1호
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    • pp.120-126
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    • 2015
  • This study was carried out to investigate physicochemical properties of different concentrations (0.1%, 0.3%, and 0.5%) of red ginseng hydrolyzates (RGH)- or red ginseng extract (RGE)-added Asiago cheeses (AC) during ripening at $14^{\circ}C$ for 4 months. The moisture content significantly increased with increasing concentrations of both RGH- and RGE-added AC (p<0.05). While RGHAC and RGEAC were more yellow and darker with increasing concentrations than that of control (p<0.05), the color was not influenced from the hydrolysis. In texture analysis, hardness, cohesiveness, and chewiness of RGHAC and RGEAC significantly decreased compared to the control during the ripening (p<0.05). In sensory analysis, bitterness and ginseng flavor and taste scores increased significantly with increasing the concentrations of RGH and RGE during ripening (p<0.05). In conclusion, the addition of RGH and RGE into cheese slightly influenced the properties of Asiago cheese, and similarities were observed between RGHAC and RGEAC. Thus, the lower concentrations (0.1% to 0.3%) of RGH and RGE added to AC were preferred for color, texture, and sensory during the ripening, therefore, these cheeses would be worth developing commercially.

톳(Hizikia fusiformis) 분말을 첨가한 양갱의 이화학적 품질특성 및 항산화 효과 (Physicochemical Properties and Antioxidant Activity of Yanggaeng Containing Hizikia fusiformis Powder)

  • 이연지;김원석;전유진;김용태
    • 한국수산과학회지
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    • 제53권4호
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    • pp.588-596
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    • 2020
  • The seaweed Hizikia fusiformis is rich in protein, carbohydrates, vitamins, and minerals. We investigated the physicochemical properties and antioxidant activities of yanggaeng made with agar, sugar, honey, oligosaccharide, cooked white bean paste, and different amounts (0, 1, 2, 3, 4, and 5%) of H. fusiformis powder. The proximate composition, pH, sugar content, color, texture, antioxidant activity, and sensory properties of the yanggaeng were investigated. The moisture and sugar contents of the yanggaeng did not change despite increasing the amount of H. fusiformis. The pH decreased with increasing H. fusiformis. The lightness decreased significantly, whereas the redness and yellowness increased with increasing amounts of H. fusiformis. In the texture profile analysis, the hardness, gumminess, and chewiness decreased with increasing H. fusiformis content. The antioxidant activity of the yanggaeng increased with the concentration of the H. fusiformis powder. The yanggaeng containing 2% H. fusiformis had the highest overall sensory acceptance score. The addition of H. fusiformis to yanggaeng appears to improve its quality and antioxidant activity.

김(Pyropia yezoensis)을 첨가한 양갱의 이화학적 품질특성 및 항산화효과 (Physicochemical Properties and Antioxidant Activity of Yanggaeng Containing Pyropia yezoensis)

  • 이연지;김원석;전유진;김용태
    • 한국수산과학회지
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    • 제53권5호
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    • pp.672-680
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    • 2020
  • This study investigated the physicochemical properties and antioxidant activities of yanggaeng prepared from agar, sugar, honey, oligosaccharide, cooked white bean paste, and different amounts (0, 0.5, 1.0, 1.5, 2.0, and 2.5%) of Pyropia yezoensis powder. The moisture, pH, sugar content, color, texture, antioxidant activity, and sensory properties of yanggaeng were investigated. The moisture content of yanggaeng did not change despite the increasing amount of P. yezoensis. The pH and sugar content decreased with increasing P. yezoensis concentration. The lightness decreased significantly, whereas the redness and yellowness increased with increasing amounts of P. yezoensis. Regarding texture profile analysis, the hardness, gumminess, chewiness, and cohesiveness decreased with increasing P. yezoensis content. The antioxidant activity of yanggaeng increased with increasing concentrations of P. yezoensis powder. Yanggaeng containing 2.5% P. yezoensis had the highest overall sensory acceptance score. Therefore, the addition of P. yezoensis to yanggaeng appears to improve its quality and antioxidant activity.

강황, 자색고구마, 톳을 첨가한 쌀국수의 품질 특성 (Quality Characteristics of Rice Noodles Supplemented with Turmeric, Purple Sweet Potato, or Seaweed (Hizikia fusiforme))

  • 황성연;강근옥
    • 동아시아식생활학회지
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    • 제23권2호
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    • pp.211-217
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    • 2013
  • We investigated the quality characteristics of rice noodles supplemented with turmeric, purple sweet potato, or seaweed (Hizikia fusiforme). RVA (Rapid Visco Analyser), color, water activity, texture, and cooking properties were tested. Initial gelatinization temperature of noodles containing turmeric were the highest. Peak viscosity, holding strength, break down, final viscosity, and set back of noodles containing purple sweet potato were highest, indicating that the gelatinization state was more unstable and retrogradation would occur faster. The L value of the seaweed noodle was the lowest, while the a and b value of the turmeric noodles were $7.3{\pm}0.3$ and $40.2{\pm}1.3$ respectively, higher values than turmeric and seaweed noodles. Water activity of the seaweed noodle was 0.665, higher than turmeric and purple sweet potato noodles. Cooking properties (including weight, volume, and water absorption) and turbidity of seaweed noodles showed the highest growth rate. In terms of texture, the hardness was highest in purple sweet potato noodles, and the cohesiveness and gumminess was highest in seaweed noodles. The quality characteristics of rice noodles supplemented with turmeric, purple sweet potato, or seaweed showed that seaweed noodles were stable in gelatinization and cooking properties.

옥수수 전분과 찰옥수수 전분 첨가 비율에 따른 Gluten-free 제빵 특성 (Baking Properties of Gluten-free Rice Bread with Different Percentages of Corn Starch and Waxy Corn Starch)

  • 김상숙;정혜영
    • 한국식품영양학회지
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    • 제28권4호
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    • pp.586-593
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    • 2015
  • The baking properties of gluten-free rice bread with different percentages of corn starch and waxy corn starch were investigated. The specific gravity and color (L, a, b) of the dough as well as the appearance, color (L, a, b) and texture of the rice bread were analyzed. Replacement of rice flour with 1, 2.5, 5, 7.5 and 10% corn starch did not have a significant effect on the specific gravity and color of the dough. The volume and specific volume of the rice bread showed an increasing trend as the amount of added corn starch increased. The chewiness, gumminess and hardness of the rice bread showed a decreasing trend as the amount of added corn starch increased. Replacement of rice flour with 1, 5 and 10% waxy corn starch did not have a significant effect on the specific gravity and color of the dough. The color of the rice bread showed an increasing trend as the amount of added waxy corn starch increased. These results suggest that replacement of rice flour with 7.5% corn starch or 1% waxy corn starch is effective for gluten-free rice bread.