• Title/Summary/Keyword: Sensory Agent

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Effect of Growth Stimulating Agent in Lactic Acid Bacteria Fermented Food Prepared from Egg White Powder and Casein (난백분말과 카제인으로 만든 젖산균 발효식품에서 생육촉진물질의 효과)

  • Ko, Young-Tae;Lee, Eun-Ju
    • Korean Journal of Food Science and Technology
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    • v.31 no.2
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    • pp.509-515
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    • 1999
  • Lactic acid bacteria (LAB) fermented foods were prepared from egg white powder (EWP), casein and growth stimulating agents (GSA). The effects of GSA on acid production and growth of Lactobacillus were studied. The effects of GSA on sensory properties and viscosity of LAB fermented foods were also studied. Acid production by Lactobacillus was stimulated by addition of GSA (0.3% or 1%, W/V). Although stimulating effect differed among each GSA, some GSA increased the acidity up to the level of fermented milk. However, stimulating effect of GSA on viable cells was not noticeable. Acid production by L. acidophilus was generally higher than other Lactobacilli. The optimum concentration of GSA added to substrate was 1% (W/V). Sensory evaluation showed that the optimum fermentation time was 18hr. The sensory properties of GSA samples were evaluated as slightly lower than that of fermented milk because GSA samples showed whey separation and taste and smell of GSA. Apparent viscosity of GSA samples was significantly lower than that of fermented milk and control sample (p<0.05). There was no significant difference of apparent viscosity among GSA samples. GSA samples, fermented milk and control sample showed thixotropic flow characteristics.

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Quality Characteristics of Pumpkin Cream Soup Adding Rice Powder as a Thickening Agent (쌀가루를 농후제로 사용한 호박 크림수프의 품질 특성)

  • Oh, Young-Sub;Choi, Soo-Keun;Rha, Young-Ah
    • Culinary science and hospitality research
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    • v.13 no.3
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    • pp.44-53
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    • 2007
  • This study investigated the utilization of pumpkin cream soup mixture of pumpkin P1(sweet pumpkin 25%, pumpkin 75%), and S1(rice flour 100%) and S3(rice powder 50%, glutinous rice powder 50%) as thickening agents showed highest preference for pumpkin cream soup. Rice powder was used in pumpkin cream soup as a thickening agent. Hunter's color marked the lowest value in using group of flour roux, in contrast with the highest value in using glutinous rice powder roux. The results of viscosity were diverse according to the condition of relationships between the percentage of contents flour, rice and glutinous rice control. For the sensory evaluation, parameters such as appearance, color, viscosity and savory taste increased significantly from the control at glutinous rice roux, and overall acceptability marked the lowest result in flour roux control.

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A CASE REPORT OF TRAUMATIC NEUROPATHIC PAIN PATIENT (외상성 신경병증 환자의 치험례)

  • Choi, Moon-Gi
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.34 no.2
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    • pp.200-206
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    • 2008
  • A variety of mechanisms may generate pain resulting from injury to the peripheral nervous system. None of these mechanisms is disease-specific, and several different pain mechanisms may be present simultaneously in any one patient. Diagnosis of neuropathic pain is often easily made from the information gathered on neurologic examination and from patient history. Evidence of sensory disturbances elicited by examination combined with laboratory tests confirming injury to peripheral nerve establishes the diagnosis of neuropathic pain. Although treatment of neuropathic pain may be difficult, optimum treatment can be achieved if dentist has a complete understanding of the therapeutic options. Pharmacologic therapy has been the mainstay of treatment. Selection of an appropriate pharmacologic agent is by trial and error since individual response to different agents, doses, and serum level are highly variable. An adequate trial for each agent tried is key to pharmacologic treatment of neuripathic pain. If pharmacologic treatment is not effective, nerve block using lidocaine, steroid and alcohol and neurectomy must be considered for treatment option.

Development of Easily Chewable and Swallowable Korean Barbecue Beef for the Aged (저작·연하 용이 소불고기 노인식 개발)

  • Kim, Soojeong;Joo, Nami
    • The Korean Journal of Food And Nutrition
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    • v.27 no.6
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    • pp.1175-1181
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    • 2014
  • This study was conducted to develop for the elderly food that is safe, well-shaped, and easy to chew and swallow, using gelification. Gelatin, which has low adhesiveness, thereby lowering the possibility of being swallowed wrongly into the respiratory track, was used as a viscosity agent for the gelification. Water and gelatin amounts were adjusted to facilitate breaking the food with the tongue. Various foods for the elderly with chewing and swallowing difficulties were used for sensory assessment. Sensory panel consisted of 10 dietitians (10 women) in nursing care facilities. The sensory optimal composite recipes were determined by central composite design (CCD). The sensory measurements were significantly different in appearance (p<0.05), saltiness (p<0.05), sweetness (p<0.01), and overall quality (p<0.05). The optimum formulation of the Korean barbecue beef calculated by numerical and graphical method was 3.71 g of sugar and 19.53 g of soy sauce. Moisture content, hardness and adhesiveness of the Korean barbecue beef were 78.85%, 2.40, -1.87, respectively. The result shows that food for the elderly, which is easy to chew and swallow, using gelification will have sufficient competitiveness in terms of safety, taste, and preference. The development of food for the elderly that take into account the difficulties in chewing and swallowing among the elderly, reflects their preference, and has sufficient nutrients, is important to enable the elderly to enjoy their meals. Also, as the Korean society is getting older, it remains one of the biggest social challenges.

Physicochemical and Sensory Properties of Yogurt Supplemented with Corni fructus during Storage

  • Noh, Hyo Ju;Seo, Hye Min;Lee, Jun Ho;Chang, Yoon Hyuk
    • Preventive Nutrition and Food Science
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    • v.18 no.1
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    • pp.45-49
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    • 2013
  • This study was carried out to determine a possibility of adding Corni fructus extract (CFE) into yogurt for improving the neutraceutical properties of yogurt and the effects of adding CFE (2~6%, v/v) on the physicochemical and sensory properties of the products during a 15-day storage period at $4^{\circ}C$. Incorporation of CFE into the yogurt samples resulted in a significant pH reduction and a significant increase in titratable acidity. When evaluating the color of the yogurt, the $L^*$-values were not significantly influenced by CFE supplementation; however, the $a^*$- and $b^*$-values significantly increased with the addition of CFE during storage. The power law and Casson models were applied to assess the flow behavior of CFE-added yogurt samples. The magnitudes of apparent viscosity (${\eta}_{a,100}$), consistency index (K), and yield stress (${\sigma}_{oc}$) for 4~6% CFE yogurt samples were significantly greater than those for the control, indicating that CFE can be used as a thickening agent for yogurt. The sensory test revealed that addition of CFE (2~4%) to yogurt did not significantly affect the overall scores, but the overall preference score for 6% CFE yogurt was significantly decreased. Based on the data obtained from the present study, we concluded that the concentrations (2~4%) of CFE could be used to produce a CFE-added yogurt without the significantly adverse effects on the physicochemical and sensory properties.

Relative Sweetness of Sucralose in a Cookie System and Physicochemical and Sensory Properties of Low Calorie Cookies Containing Sucralose (수크랄로스의 상대당도 및 수크랄로스를 함유한 저열량 과자의 품질 특성)

  • Kim, Mi-Young;Lee, Yun-Mi;Kim, Yang;Suh, Dong-Soon;Chung, Seo-Jin;Kim, Kwang-Ok
    • Korean Journal of Food Science and Technology
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    • v.38 no.4
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    • pp.501-505
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    • 2006
  • This study was conducted to evaluate sensory properties of sugar cookie containing sucralose. Relative sweetness of sucralose to sucrose in a cookie system was examined with paired comparison tests and the result was applied to low calorie cookie preparation using polydextrose as a bulking agent. Physical and sensory properties and consumer acceptability of sugar cookies containing various levels of sucralose and polydextrose were evaluated. Relative sweetness of sucralose to sucrose was 700 times in sugar cookie. Instrumental hardness and fracturability increased as the levels of replacement with sucralose increased. Spread ratios of sugar cookies where sucrose was partially and totally replaced with sucralose and corresponding amount of polydextrose were higher than that with sucrose only. Intensities of bitter taste, salty taste, hardness and molar packing of sugar cookies where sucrose was entirely replaced with sucralose and polydextrose were higher than that those of the other cookies. Acceptability test indicated 75% replacement with sucralose and adequate amount of polydextrose can be used without harming overall, appearance and flavor acceptability while texture acceptability was slightly lower.

Development of Sun-Dried Salt Kimchi Beverage (천일염을 사용한 김치를 소재로 한 음료 개발)

  • Lee, Jae-Joon;Jung, Hae-Ok;Lee, Myung-Yul;Chang, Hae-Choon
    • Food Science and Preservation
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    • v.17 no.6
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    • pp.800-806
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    • 2010
  • The aim of this research is to develop recipe of kimchi beverage made of sun-dried salt. A distinction between this recipe with existing ones is the Korean traditional ingredient, sun-dried salt. The variety and amount of recruitment on the beverage was established after its characteristics were investigated by sensory tests. Preference of sweetening agent for the beverage was oligosaccharide > honey > sugar powder > sugar > aspartame > pear juice. While sensory evaluation was conducted on color, flavor and overall acceptance, the overall acceptance scores are as following; 6.24 for watery radish kimchi, 6.00 for white kimchi and 5.76 for Korean cabbage kimchi. Among other beverages, watery radish kimchi beverage was preferred. Amount of kimchi for the beverage was most suitable at 10 % of the contents. It was the same with all the other beverages. When the products were stored in normal temperature, the evaluation scores dropped for all sensory items as time passed.

Effects of natural nitrite source from Swiss chard on quality characteristics of cured pork loin

  • Kim, Tae-Kyung;Hwang, Ko-Eun;Song, Dong-Heon;Ham, Youn-Kyung;Kim, Young-Boong;Paik, Hyun-Dong;Choi, Yun-Sang
    • Asian-Australasian Journal of Animal Sciences
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    • v.32 no.12
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    • pp.1933-1941
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    • 2019
  • Objective: This study was conducted to evaluate quality characteristics of cured pork loin with natural nitrite source from Swiss chard. Methods: Pork loin was cured in brine and the ratio of water and fermented Swiss chard (FSC) solution in the brine was changed by 4:0 (control), 3:1 (T1), 1:1 (T2), 1:3 (T3), 0:4 (T4), and pickled samples with 0.012% sodium nitrite (PC, positive control) and nitrite free brine (NC, negative control) were considered as the control. Results: The pH values of cured pork loins with FSC were decreased with increasing addition level of FSC. Cooking loss was not significantly different among all treatments. T4 had the lowest value in moisture content and lightness value and the highest value in curing efficiency. The redness value of T4 was not significantly different from that of PC in raw. After cooking, however, it was higher than that of PC. The yellowness value of cured pork loin added with FSC was increased with increasing level of FSC. Volatile basic nitrogen content of cured pork loin added with FSC was higher than PC and NC. Thiobarbituric acid reactive substance value of cured pork loin added with FSC was decreased with increasing FSC level. Residual nitrite level and shear force were increased with increasing FSC level. In the sensory evaluation, sensory score for flavor, off-flavor, chewiness, juiciness, and overall acceptability were not significantly different among all treatments. However, sensory score for color was increased when the concentration of FSC added to pork loin was increased. Conclusion: The FSC solution had a positive effect on redness and lipid oxidation. As shown by the results in protein deterioration and sensory, Swiss chard can replace sodium nitrite as natural curing agent.

Dehydration of Carrot Slice Using Polyethylene Glycol and Maltodextrin and Comparison with Other Drying Methods (폴리에틸렌 글리콜과 말토덱스트린 첨가에 의한 당근 절편의 탈수, 건조와 기존 건조 방법과의 비교)

  • Kim, Min-Ki;Kim, Min-Hee;Yu, Myung-Shik;Song, Young-Bok;Seo, Won-Joon;Song, Kyung-Bin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.38 no.1
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    • pp.111-115
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    • 2009
  • Carrots were dried using 30, 50, and 80% polyethylene glycol (PEG) or maltodextrin as a dehydrating agent, and the dried carrots were compared with the freeze dried and hot-air dried in terms of rehydration ratio, color, carotene content, and sensory evaluation. The amount of moisture loss during drying of carrots using PEG or maltodextrin increased with increasing concentration of dehydrating agent. Rehydration ratio as well as carotene content of the PEG-treated carrots were greater than those of freeze-dried or hot-air dried carrots. Regarding color and sensory evaluation of the dried carrots, the PEG-treated and maltodextrin-treated carrots were better than freeze-dried or hot-air dried carrots. These results suggest that drying of carrots using PEG or maltodextrin is a very efficient method because of its good rehydration capacity and minimal destruction of nutrients and cell structure.

Morphological Changes in Hair by the Bleaching Agent's Mixing Conditions (탈색제 혼합 조건에 따른 모발의 형태학적 변화에 관한 연구)

  • Joo, Yeon-Bin;Kim, Young-Bae;Lim, Sun-Nye
    • Journal of Digital Convergence
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    • v.15 no.9
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    • pp.533-541
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    • 2017
  • In the rapidly changing 21st century, image management has become more important. Under these circumstances, as a lot of hair colors and beaching agents are used to create diverse hair colors, hair damage resulting from frequent chemical hair coloring has been inevitable. This study investigated how to reduce morphological changes in hair and hair damage after dividing hair into healthy hair('Group A') and damaged hair('Group B'), using the following bleaching agents: basic bleaching agent(a), beaching agent diluted with water(b), oil ingredient-added bleaching agent(c), water-shampoo mixed bleaching agent(d). The results found that even though hair damage can be prevented by a bleaching agent diluted with a mixture of diverse additives, there were better effects on hair texture in both 'Group A(4.83)' and 'Group B(4.41)' at a sensory test when hair was bleached with an addition of Camellia oil, according to blinded experiment, in particular. As a result, hair damage could be reduced. Therefore, this study expects that hair bleaching with an addition of Camellia oil to the mixture of a bleaching agent would bring the development of diverse new materials which can minimize hair damage as well as regulate hair brightness and make a contribution to the development of cosmetology market.