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Sensory properties of oriental melon (Cucumis melo var. makuwa) byquantitative descriptive analysis and consumer test (묘사분석 및 소비자 조사에 의한 참외의 관능특성)

  • Kim, Sang Seop;Choi, Eun Jeong;Choi, Jeong Hee;Ku, Kyung Hyung
    • Food Science and Preservation
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    • v.23 no.5
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    • pp.727-737
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    • 2016
  • This study was carried out to determine the descriptive sensory profile of oriental melon. The sensory profile of oriental melons (cultivated in Seonju, Kyungsangbuk-do) were used quantitative descriptive analyses and twelve trained panel developed the total forty sensory attributes related appearance, aroma, texture etc. Six appearances attributes and two aromas attributes were derived from whole oriental melon with skin. Five aromas, six tastes and six textures were derived from the mesocarp of oriental melon. And also, oriental melons were analyzed for pH, titratable acidity, solid soluble contents and weight. The weight, titratable acidity and soluble solid content of oriental melons showed significant differences according to samples. And also, in the sensory attributes of these samples by trained panel and consumer test, there were significant differences between organic cultivated samples and conventional cultivated samples. Based on principal component analysis of sensory attributes data by trained panel and consumer, oriental melons were primary separated along the first principal component, which accounted for 27.73% (trained panel test) and 19.82% (consumer test) of total variance (trained panel test; 58.36%, consumer test; 46.18%) between the samples farm, cultivation method, total acidity, sweet aroma, bitterness, etc. Generally, whole oriental melon with skin showed significant differences in the sensory attributes according to cultivation method and farms. But, the mesocarp and endocarp part showed not certainly differences in the sensory attributes between organic cultivated samples except conventional cultivated samples.

Change in quality characteristics of yellow paprika according to drying methods (건조방법을 달리한 노란 파프리카의 품질특성 변화)

  • jung, Hyeon-A;Hong, Ju-Yeon
    • Food Science and Preservation
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    • v.24 no.8
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    • pp.1079-1087
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    • 2017
  • The study attempted to investigate the variation in the quality of the yellow paprika according to the duration of the yellow paprika and to use the basic materials for the development of various processed foods. The moisture content of dried paprika was 11.19% on the freeze-drying paprika (FD), and the amount of water was increased by 18.19% on the 15th day of the storage cycle. The pH has been significantly changed depending on the length of the storage period, and the sugar content in FD. The acidity contents was increased during storage in all dried paprikas showed the highest acidity, but hot air-drying paprika(HAD) was lowest in the acidity. The L value was decreased during storage period from the paprika outside and inside. The a value was not significantly dependent on the length of storage period from paprika outside and inside, and the b value increased the during storage period from paprika outside and inside. The texture of strongness, hardness, chewiness, and brittleness were decreased during storage period from all drying paprika except for FD, showing the increasing trend in cohesiveness, springiness, chewiness, and brittleness. The total aerobes changes was the lowest in HAD.

Quality Characteristics of Mungbean Starch Gel Added with Salicornia herbacea L. Powder (함초 분말을 첨가한 청포묵의 품질 특성)

  • Son, Gi-Ok;Lee, Seung-Joo
    • Journal of the East Asian Society of Dietary Life
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    • v.24 no.4
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    • pp.472-480
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    • 2014
  • This study evaluated the quality characteristics of mungbean starch gel prepared with different amounts of Salicornia herbacea L. powder. In order to determine the optimal addition level of Salicornia herbacea L. powder, samples of mungbean starch with 0, 2, 4, 6 and 8% of Salicornia herbacea L. powder substitute were prepared, after which physicochemical, textural and sensory quality characteristics were measured. Upon increasing Salicornia herbacea L. powder levels in the formulation, moisture contents of samples decreased, except the 6% addition sample, and salinity levels increased. Total phenolic contents and DPPH radical scavenging activities also increased significantly upon addtion of Salicornia herbacea L. powder. According to the texture analysis, hardness and gumminess decreased with increasing amounts of added Salicornia herbacea L. powder. From the sensory tests, 4% Salicornia herbacea L. powder sample received the highest overall acceptability score with proper levels of flavor, saltiness and texture. As a result, to increase usage of Salicornia herbacea L., the optimal formulation consisted of 4% Salicornia herbacea L. powder substitute for mungbean starch.

Quality Characteristics of Noodle Supplemented with Skate (Raja kenojei) Skin and Bone Powder (홍어 분말 첨가에 따른 국수의 품질 특성)

  • Kim, Kyung-Hee;Park, Bock-Hee;Kim, Dong-Han;Cho, Hee-Sook
    • Journal of the East Asian Society of Dietary Life
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    • v.18 no.3
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    • pp.353-360
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    • 2008
  • This study evaluated the quality characteristics of dried noodles made of wheat flour supplemented with different concentrations of skate powder. Cooking quality, mechanical texture properties, gelatinization temperature and viscosity were measured, after which sensory evaluation was performed with prepared noodles. Water binding capacity, solubility and swelling power of the composite skate powder and wheat flours were higher than those of pure wheat flour. Gelatinization temperature of the composite skate powder and wheat flours increased, while initial, interim, and maximum-viscosity at $95^{\circ}C$, decreased, with increasing skate powder content. In relation to color values, increasing skate flour content led to decrease in L and b values and increase in a value. For the textural characteristics, the addition of skate powder increased hardness, springiness, chewiness and adhesiveness. Overall, noodles made with 3% skate powder were preferred compared to other samples.

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Quality Characteristics and Antioxidant Activities of Macaron with Opuntia ficus-indica var. saboten Powder (백년초 분말을 첨가한 마카롱의 품질 특성 및 항산화 활성)

  • Kim, Sook-Young;Han, Gi Dong;Jung, In-Chang;Kim, Ki-Ju
    • Journal of the East Asian Society of Dietary Life
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    • v.27 no.3
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    • pp.332-340
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    • 2017
  • The aim of this study was to evaluate the quality characteristics, antioxidant activities, and sensory properties of macaron with Opuntia ficus-indica var. saboten powder (OP). Physicochemical and sensory properties of macaron with different amounts (0%, 2%, 4%, and 6%) of OP were examined. The quality of macarons was evaluated based on spread factor, baking loss rate, color, texture, antioxidant activities, and sensory evaluation. As amount of OP addition increased, spread factor and a value increased, whereas baking loss rate, and L and b values decreased (p<0.05). For texture properties, hardness, springiness, and brittleness were lower as OP content increased while cohesiveness and gumminess were not significantly different (p<0.05). For total polyphenolic contents, DPPH and reducing power significantly increased upon addition of OP at high concentrations (p<0.05). In the sensory evaluation of macarons, scores for color, flavor, taste, texture, and overall acceptance were highest with 4% OP, whereas macaron containing 6% OP showed the lowest scores for taste and texture (p<0.05). These data suggest that addition of 4% OP is the optimal concentration for making macaron.

Quality Characteristics of Jelly Added with Pressed Kiwi(Actinidia chinensis var. 'Halla Gold') Juice (참다래 과즙을 첨가한 젤리의 품질 특성)

  • Oh, Hyun-Jeong;Back, Jin-Woo;Lee, Ju-Yeon;Oh, Young-Ju;Lim, Sang-Bin
    • Culinary science and hospitality research
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    • v.19 no.5
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    • pp.110-120
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    • 2013
  • Five types of kiwi jelly were prepared with different rates of pressed kiwi juice and carrageenan, and their quality characteristics such as chemical composition, saccharinity, color, texture, and sensory attributes were measured. There were no significant changes in moisture, crude lipid, carbohydrate, but significant differences were shown in crude ash, crude protein, pH, and acidity. The pH decreased and acidity increased as the amount of added kiwi juice increased. The saccharinity of kiwi jelly increased with increased amount of added kiwi juice. Additionally, the total phenolic content, DPPH radical scavenging activity and content increased with increased amount of added kiwi juice. The hardness, gumminess, and chewiness increased with increased levels of carrageenan. As the amount of added carrageenan increased, the L values of kiwi jelly decreased. Based on the sensory evaluation test, kiwi jelly, JKJ(Jeju Kiwi Jelly)-3 was the best in the flavor, sweetness, texture, and overall acceptability. The chemical composition of JKJ-3 was as follows : moisture $75.1{\pm}0.5%$, carbohydrate $24.2{\pm}0.5%$, crude protein $0.29{\pm}0.05%$, and crude ash $0.44{\pm}0.02%$. The kiwi jelly, JKJ-3 of overall acceptability values in the sensory test for flavor, sweetness, hardness, texture and overall favorite were 3.65, 3.35, 3.35, 3.50 and 3.60, respectively, with the addition of 20% pressed kiwi juice and 2.3% carrageenan.

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Rice Production, Distribution, and Utilization in China (중국의 쌀 생산, 유통 및 이용현황)

  • Liao, Xiyuan
    • Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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    • 2002.08a
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    • pp.13-31
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    • 2002
  • 쌀은 중국에서 중요한 식량작물로 제9차 5개년 계획(1966-2000년) 동안 재배면적 31.4백만 ha이며 생산량은 단위 ha당 6,303kg으로 198백만톤에 이르며 이는 재배면적으로는 식량작물의 27.7%, 그리고 생산량으로는 전체식량작물의 40%를 각각 점하고 있다. 이러한 재배면적과 생산량은 각각 세계전체면적과 생산량의 20.7%와 33.7%를 차지하는 많은 량이다. 중국의 남부지역은 전지역의 73.5%가 이모작으로 재배되며 주품종은 Indica이다. 중국의 중부지역은 이모작과 일모작의 재배형태가 2:3으로 공존하고 있으며 양쯔강 이북은 주로 일모작의 형태이다. 중국의 쌀 재배면적은 1960년대 이후 점차 증가하다가 1980년대 후반으로 정체되었다가 최근 90년대 말에 이르러서는 재배면적의 감소가 가속화되고 있으나 단보당 생산량은 꾸준히 증가하고 있다. 2001년 중국의 쌀소비량은 138백만톤으로 이의 85.2%는 식량용으로, 5.8%는 사료용으로, 1.3%는 가공용, 1.5-2.0%는 수출용으로 그리고 1.2%는 종자용으로 소비되었다. WTO체제에 들어서도 중국의 쌀 생산에는 크게 영향을 받지않을 것으로 여겨지는데 그 이유로는 충분한 생산능려과 자급률, 쌀의 낮은(4%) 국제교역비율, 총생산량에 대한 낮은 쿼터비율 등을 들 수 있다. 그러나 WTO체제 가입에 따른 압력 또한 존재하는 것이 사실인데 그것은 낮은 품질, 국제가격보다 높은 국내가격 등을 들 수 있다. 향후 중국 쌀의 발전적 전략들로는 쌀의 안정적 발전을 지속하는 일, 쌀 재배구조 조정과 함께 높은 미질을 가지는 품종육종, 기계화를 비롯한 경작기술의 발달, 쌀과 부산물 가공기술의 개발연구, 특징 기능을 함유하는 유전공학적 기술의 적용, 토지와 도시화 그리고 식량순환에 시스템의 개혁 등 과학기술을 고양하는 일 등을 들 수 있다.TEX>$\times$10cm의 소식일수록 짧아서 재식주수와 경장은 정의상관이 인정되었다. 9 경직경은 30$\times$10cm, 40$\times$10cm의 소식일수록 크고 20$\times$10cm의 밀식일수록 작았다 10. 수량구성요소인 주근장과 수량인 건근중은 30$\times$10cm, 40$\times$10cm의 재식주수가 적을수록 높아서 재식주수와는 부의 상관이 인정되었다. 11 이상과 같은 결과로 보아 경직경이 크고 주근장이 길어서 10a당 건근중이 많은 30$\times$10cm(33주/$m^2$)가 알맞은 재식거리였다.에 대한 인식을 새롭게 하고 농약취급시의 건강장해예방행동을 촉구하는 등의 효과도 높은 것으로 예방의학적인 유용성이 크다고 볼 수 있다. 미침을 알 수 있었다. 대두 단백질로 코팅된 golden delicious는 상온에서60일 동안 보관하였을 경우, 사과표피의 색도 변화를 현저히 지연시킴을 확인하였다. 또한 control과 비교하여 성공적으로 사과에 코팅하였으며, 상온에서 보관하여을 때 사과의 품질을 30일 이상 연장하는 효과를 관찰하였다. 이들 결과로부터 대두단백질 필름이 과일 등의 포장제로서 이용할 가능성을 확인하였다.로 [-wh] 겹의문사는 복수 의미를 지닐 수 없 다. 그러면 단수 의미는 어떻게 생성되는가\ulcorner 본 논문에서는 표면적 형태에도 불구하고 [-wh]의미의 겹의문사는 병렬적 관계의 합성어가 아니라 내부구조를 지니지 않은 단순한 단어(minimal $X^{0}$ elements)로 가정한다. 즉, [+wh] 의미의 겹의문사는 동일한 구성요 소를 지닌 병렬적 합성어([$

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Browning Inhibition Effect of the Atractylodis Rhizoma Alba Extract and L-cysteine Combination on Agaricus bisporus (백출 추출물과 L-cysteine의 병용처리가 양송이버섯의 갈변억제에 미치는 영향)

  • Lee, Da-Uhm;Kim, Gun-Hee
    • Food Science and Preservation
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    • v.20 no.2
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    • pp.173-181
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    • 2013
  • This study investigated that anti-browning effects of Atractylodis Rhizoma Alba extract and L-cysteine combination. Mushrooms were dipped in solutions (0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine) for 3 min. The dipped mushrooms were packaged in a polystyrene (PS) tray and wrapped with a polyvinyl chloride (PVC) film, and stored for 14 days at $10^{\circ}C$. The browning inhibition activity (Hunter L, a, b color scale and tyrosinase inhibition activity) and quality changes (weight loss rate, gas composition, firmness and sensory evaluation) were analyzed during storage period. After 14 days, the Hunter L and ${\Delta}E$ value of mushrooms treated in 0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine were 87.24 and 5.56, respectively. The mushrooms treated with 0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine also showed higher firmness (13.31 N) and smaller weight loss rate (2.87%) than the untreated mushroom (11.42 N, 3.04%) on storage day 14. During storage period, the sensory evaluation showed that overall acceptability of mushrooms treated with 0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine were higher than those of the untreated mushrooms, except those that were stored for five days. Overall, the mushrooms treated with 0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine had a higher tyrosinase inhibition activity than the untreated mushrooms during storage period. This study suggests that the browning of the mushrooms treated with 0.1% Atractylodis Rhizoma Alba extract containing 0.05% L-cysteine solution were inhibited, and the that their shelf life was extended.

Changes in Quality Parameters of Tomatoes Harvested at Different Mature Stages during Storage (수확시의 숙도에 따른 저온저장 중 토마토의 품질인자의 변화)

  • Choi, Jeong Hee;Jeong, Moon Cheol;Kim, Dongman
    • Food Science and Preservation
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    • v.20 no.2
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    • pp.151-157
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    • 2013
  • This study was conducted to investigate the effect of mature stages on quality of Rafito tomatoes (Lycopersicon esculentum Mill.) during storage at low temperature. Tomatoes grown in greenhouse were harvested at three different mature stages (turning, pink, and red), packaged with a 30-${\mu}m$-thick polyethylene film, and then stored at 5 and $10^{\circ}C$, respectively. The changes in firmness, soluble solids content (SSC), titratable acidity (TA), colour, lycopene content, decay, and chilling injury were measured on a weekly basis. After three weeks of storage, chilling injury and decay were found to have individually occurred at 5 and $10^{\circ}C$, respectively. As there was little change in quality at $5^{\circ}C$, it was concluded that red tomatoes could maintain their good quality for two weeks. The normal postharvest ripening was inhibited in the turning and pink tomatoes during storage at $5^{\circ}C$. The turning and pink tomatoes showed improved quality after two-week storage at $10^{\circ}C$. In particular, the turning fruits showed the highest firmness throughout the storage period. Furthermore, the red colour, SSC/TA, and lycopene content of the turning fruits reached the same levels as with the red fruits after two-week storage at $10^{\circ}C$. These results suggest that red tomatoes should be stored at $5^{\circ}C$ to inhibit decay, and that the optimum temperature for early-harvested tomato (turning and pink) is $10^{\circ}C$ for the ripening process after harvest.

Quality characteristics and processing of rice cake (Backsulgi) with rice flour containing Lactobacillus plantarum CGKW3 by spray-drying (유산균 포집 쌀가루를 이용한 백설기의 제조 및 품질특성)

  • Lee, Dae-Hoon;Park, Hye-Mi;Hong, Joo-Heon
    • Food Science and Preservation
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    • v.23 no.7
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    • pp.953-959
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    • 2016
  • The quality characteristics and processing of rice cake (Backsulgi) with rice flour containing Lactobacillus plantarum CGKW3 by spray-drying (LP-B) were investigated. The LP-B was applied at ratios of 10, 20, and 30 (w/w), and the moisture contents and pH were 33.39%~36.70% and 5.81~5.46, respectively. The L value of LP-B increased as the rice flour decreased, while the a and b value increased as the LP-B increased. The texture profiles showed that Backsulgi prepared with LP-B mixture had higher hardness, cohesiveness, springiness and chewiness than 100% rice flour. The pH of LP-B Backsulgi (LP-B20 and LP-B30) did not differ during 6 days at room temperature. The total bacteria in Backsulgi prepared LP-B20 and LP-B30 Backsulgi was $10^4CFU/g$ after 2 days of storage at room temperature. The shelf life of Backsulgi prepared with LP-B20 and LP-B30 were extended by about 2 days when compared with the control at room temperature. Sensory evaluation showed that Backsulgi without LP-B20 had higher scores in terms of appearance, color, flavor, taste, texture, hardness and overall acceptability than Backsulgi without 100% rice flour. In conclusion, the results demonstrate that LP-B20 may prove quite useful as a Backsulgi flour with desirable properties.