• 제목/요약/키워드: Sensory system

검색결과 806건 처리시간 0.023초

음료 system에서 수크랄로스의 상대당도 및 수크랄로스를 함유한 저열량 음료의 관능적 특성 (Relative Sweetness of Sucralose in Beverage Systems and Sensory Properties of Low Calorie Beverages Containing Sucralose)

  • 김미영;조해영;박재연;이소민;서동순;정서진;김희섭;김광옥
    • 한국식품과학회지
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    • 제37권3호
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    • pp.425-430
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    • 2005
  • 본 연구는 수크랄로스를 이용한 저열량 음료의 관능적 특성을 평가하기 위하여 수행되었다. 이를 위해 수용액 및 음료 system에서 설탕이나 과당에 대한 수크랄로스 및 아스파탐의 상대당도를 조사하였고, 감미료를 함유한 수용액과 수크랄로스로 설탕이나 과당의 일부 또는 전부를 대체한 오렌지 향 음료 및 스포츠 음료의 관능적 특성을 평가하였다. 또한 대체율에 따른 오렌지 향 음료의 소비자 기호도를 조사하였다. 그 결과를 요약하면 다음과 같다. 수용액 상태에서 설탕(10%)용액에 대한 수크랄로스의 상대당도는 350배였고, 아스파탐의 상대당도는 90배였다. 설탕 용액과 동일한 당도를 나타내는 수크랄로스 및 아스파탐 용액의 관능적 특성 평가 결과, 수렴성을 제외한 모든 특성에서 수크랄로스 용액과 설탕 용액 간에 유의적 차이를 나타내지 않았으나, 아스파탐 용액은 쓴맛, 금속성 향미 및 수렴성이 강하게 나타났다. 오렌지 향 음료(설탕 10%함유)에서 수크랄로스의 상대당도는 500배였으며, 설탕의 50%를 수크랄로스로 대체한 경우, 신맛을 제외한 모든 특성에서 설탕만을 첨가한 오렌지 향 음료와 유의적인 차이가 없었다. 설탕을 수크랄로스로 대체하여 제조한 오렌지향 음료에 대해 소비자 기호도 검사를 실시한 결과, 설탕의 50%를 수크랄로스로 대체한 음료는 설탕만 첨가한 음료와 동일한 기호도를 나타냈다.

자세와 균형 조절에 관한 연구 (A Study on Control of Posture and Balance)

  • 정동훈;권혁철
    • The Journal of Korean Physical Therapy
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    • 제11권3호
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    • pp.23-36
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    • 1999
  • The very definitions of posture and balance have changed, as has our understanding of the underlying neural mechanisms, In rehabilitation science, there awe at least two different conceptual theories to describe the neural control of posture and balance : the reflex/hierarchical theory and system theory. A reflex/hierarchical theory suggests the posture and balance result from hierarchically organized reflex responses triggered by independent sensory systems. The systems approach suggests that action emerges from an interaction of the individual with the task and environment. That is to say, the systems approach implies that the ability to control our body's position in space emerges from a complex interaction of musculoskeletal and neural systems, collectively referred to as the postural control system. The specific organization of postural systems determined both by the functional task and the environment in which it is being performed, The postural control system is divided into three basic functional components for assessment : 1) musculoskeletal components, 2) motor coordination components, and 3) sensory organization components. It is proposed that a systemic functional understanding of human balance is critical to effective programs for balance rehabilitation. Thus, this article briefly reviews the basic functional components to consider in designing treatment plan and for the benefit of the balance assessment.

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국내산 무화과를 이용한 와인 제조 및 품질 개선 효과 (Manufacturing of Wine with Korean Figs(Ficus carica L.) and Quality Improvement by Adding Fig Leaves)

  • 정미란;차정단;윤순일;한종현;이영은
    • 동아시아식생활학회지
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    • 제15권1호
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    • pp.112-118
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    • 2005
  • Fig(Ficus carica L.) which belongs to Moraceae family has been used as digestion promoter, cure for ulcerative inflammation and eruption in Korea. Figs have very short preservation period and can be kept only 1 week even in the refrigeration system. The possibility of wine-making from Korean figs was tested by analyzing the fermentation characteristics, proximate analysis and free sugar contents of wine made of slices with 20% sugar addition. Ethanol fermentation of the figs by Saccharomyces cerevisiae was done rapidly. The ethanol contents, pH, total acidity and sugar content were 12.1%, 3.91, 0.42% and 9.9 °Brix, respectively. The results from the sensory evaluation were as follows. The wine made from the sliced figs were better than that from fig juices in their sensory scores. The wine made with frozen figs was not different from that made with fresh ones. To improve the quality of wine, the addition of dried leaf powder in the concentration of 100 ppm were tried and found it was superior to the one made without leaf.

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방사선 조사 건고사리의 수화 복원성, 색상 및 조직감 특성 (Rehydration Rate, Color and Texture of Soaked Fernbraken Prepared with Gamma-irradiation)

  • 성태화;허옥순;김미리
    • 동아시아식생활학회지
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    • 제15권1호
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    • pp.106-111
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    • 2005
  • The gamma irradiation effect of dried fernbraken was investigated on the physical and sensory qualities during and after soaking process. Dried fernbraken packaged in vacuum was irradiated up to 7 kGy with v-ray produced by 132 Cs at 0℃. Moisture content and rehydration rate of gamma-irradiated fernbraken after soaking increased significantly depending on the irradiation doses(p<0.05). Lightness(L), redness(a) and yellowness(b) values of Hunter color system increased significantly in the gamma-irradiated fernbraken after soaking, compared with control, while the hardness and chewiness by the texture analyser decreased significantly in irradiated ones. Sensory evaluation results showed that the mean scores of flavor, appearance, taste, texture and over-all acceptability in soaked fernbraken irradiated were not significantly different from those in control, except higher preference score of texture in irradiated ones. From these results, it might be concluded that the irradiation does not affect the physical and sensory qualities of dried fernbraken during and after soaking, especially in texture.

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체형별 토르소 원형의 개발에 관한 연구 -다트(Dart) 배분을 중심으로- (Study of Development of Torso Pattern according to Somatotype)

  • 김소라;송미령
    • 한국의류학회지
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    • 제21권2호
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    • pp.262-276
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    • 1997
  • The purpose of this study was to develop torso patterns according to the somatotype and thus to contribute to the ready-made industry. Classification of the somatotypes was based on each individual's lateral and frontal view and development of torso patterns according to the somatotype was to center on the darts. The subjects in this study were female college students of 18 to 24 year old. This study was carried out by the following procedures: 1. Classification of the somatotypes was based on each individual's lateral and frontal view. The somatotypes were classified into 18 types. 2. Eighteen subjects who had prominent somatic characteristics and average mea- surements were chosen. 3. Subjects were clothed and a sensory evaluation was carried out. 4. Experiments of alterations were carried out. The quantities of revision of torso patterns due to the difference of somatotypes were measured through these. These method were due to the items of the sensory evaluation. 5. By obtaining the results of the sensory evaluation and experiments of alterations, the torso patterns according to the somatotypes were developed. These were inputted to the CAD System and compared with one another. 6. Grading of the torso pattern according to each somatotype was carried out and thus a file of torso patterns was made according to the somatotypes.

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메탈릭 자카드 직물의 감성 평가 (Sensibility Evaluation of Metallic Jacquard Fabrics)

  • 강덕희;이정순
    • 한국의류학회지
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    • 제33권2호
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    • pp.299-307
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    • 2009
  • The purposes of this study ate to evaluate sensibility performance of metallic Jacquard fabrics, and to contribute to the research and development of the women's suit made of the metallic Jacquard fabrics. eight fabrics were woven with two kinds of warp yarns(nylon and rayon) and weft yarn blended with various contents(0, 7, 14, 21%) of metallic yarn. The sensibility performances such as sensory, touch preference and buying preference for memory fabrics of the metallic Jacquard fabrics were evaluated, and mechanical properties were measured by KES-FB system. The correlation between the mechanical properties and the sensibility performance were analyzed. As the metal fiber content increased, the sensory evaluation value of lustered, wrinkly, sandy, rustle and stiff increased, the sensory evaluation value of slippery and damp decreased. As the metal fiber content increased, the touch preference decreased and the buying preference increased. The touch preference had negative correlation with the metal fiber content, but the buying preference had positive correlation with it.

Effects of Oriental Medicinal Drugs on Axonal Regeneration in the Spinal Cord Neurons

  • An Joung-Jo;NamGung Uk;Seo In-Chan;Kim Yoon-Sik
    • 동의생리병리학회지
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    • 제19권6호
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    • pp.1640-1646
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    • 2005
  • An oriental medicinal drugs Jahageo (JHG, Hominis placenta) were examined to determine its effects on the responsiveness of central nervous system neurons after injury. We found that JHG was involved in neurite outgrowth of DRG sensory axons. JHG treatment also increased expression of axonal growth-associated protein GAP-43 in DRG sensory neurons after sciatic nerve injury and in the injured spinal cord. JHG treatment during the spinal cord injury increased induction levels of cell division cycle 2 (Cdc2) protein in DRG as well as in the spinal cord. Histochemical investigation showed that induced Cdc2 in the injured spinal cord was found in non-neuronal cells. These results suggest that JHG regulates activities of non-neuronal cells such as oligodendrocyte and astrocyte in responses to spinal cord injury and protects neuronal responsiveness after axonal damage.

유자차 부산물을 이용한 유자 과편의 최적화 연구 (A Study on the Optimum Ratio of Starch and Dilution Factors of Yuza Extract in Preparation of Yuza Pyun)

  • 남혜원;현영희;변진원
    • 동아시아식생활학회지
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    • 제14권6호
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    • pp.591-597
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    • 2004
  • This study was performed to develop a standardized recipe for yuza pyun made of citron juice that is by-product of citron tea, to increase the utilization of citron. The effects of mungbean starch(15%, 18%) and dilution ratio of yuza extract(100%, 75%, 50%) on the quality characteristics were evaluated. The quality characteristics of the samples were estimated in terms of sweetness, color difference, texture profile analysis and sensory evaluation. Sweetness of the 18% mungbean groups were higher than 15% groups(p<0.001). The values of Hunter color system indicated that higher content of yuza extract tended to increase yellowness significantly(p<0.001). Texture profiles of hardness, adhesiveness, springiness, cohesiveness, gumminess of yuza pyun showed no significant differences among samples. For sensory evaluation, color and sourness were decreased as yuza extract was diluted, whereas elasticity and sweetness were increased. Yuza pyun containing 18% of mungbean starch with 50% diluted extract was the most preferred in overall acceptability. According to multiple regression analysis, color, sweetness, elasticity and sourness(in order) were important control factors in overall acceptability.

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조리 방법에 따른 김의 색도와 무기 성분 함량 변화 (Changes of Chromaticity and Mineral Contents of Laver Dishes using Various Cooking Methods)

  • 한재숙;이연정;윤미라
    • 동아시아식생활학회지
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    • 제13권4호
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    • pp.326-333
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    • 2003
  • The purpose of this study was to investigate the effect of various cooking methods(roasted, salad, deep-fried seasoned-roasted and commercial laver) on mineral contents, color and sensory evaluation of laver. The contents of mineral of dried laver by various cooking methods were analyzed using the Inductively Coupled Plasma(ICP) system. The results were summarized as follows : The content of crude protein, moisture, ash and crude fat in dried laver were 35.1%, 10.6%, 9.7% and 0.8%, respectively. Among the minerals of dried laver, the content of poassium was the highest (2268.0mg/100g d.w.) and those of calcium and iron were comparatively high (495.1mg/100g, 13.5mg/100g). Ca/P ratio of dried laver was about 1:1 levels. Among various laver dishes, the total mineral content was the highest in the roasted laver, but low in the deep-fried laver. Among color values by cooking methods, "L(lightness)" and " - a(greenness)" values were the highest in the roasted laver, and "b(yellowness)" was the highest in the deep-fried laver. The seasoned-roasted laver was highly scored by the sensory evaluation.

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하지 체성 감각이 선형 운동 지각에 미치는 영향 (Effect of Lower Limbs Somatosensation on Linear Motion Perception)

  • 이용우;박수경
    • 대한기계학회논문집A
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    • 제31권6호
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    • pp.686-693
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    • 2007
  • To perceive body movement, the nervous system uses multi-sensory cues such as vision, vestibular signals, and somatosensation. Among the multi-sensory modality, the previous researchers reported that the lower limb somatosensation plays an important role on maintaining postural balance. In this study, we examined the contribution of somatosensory cues to linear motion perception by measuring the detection threshold of the direction of linear motion with and without lower limb somatosensory constraints. Six healthy male volunteers participated in randomly ordered 33 single sinusoidal acceleration trials with the stimulus at 0.25Hz with peak magnitude ranged from 0 to 8mG. After each stimulus, subjects reported their perceived direction of motion by button press. Results showed that the reduced lower limb somatosensation significantly increased perception threshold. Without constraints, mean threshold was $0.82{\pm}0.23mG$, while it was $1.23{\pm}0.35mG$ with reduced lower limb somatosensation. The results suggest that without visual cues, perception of the movement direction strongly depends on the lower limb somatosensory information.