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Effects of Lactose and Yeast on the Growth of Lactic Acid Bacteria and Sensory Characteristics during the Fermentation of Soy Yogurts (Lactose와 효모의 첨가가 대두요구르트 발효 중 젖산균의 생육특성 및 관능적 특성에 미치는 영향)

  • Park, Mi-Jung;Lee, Sook-Young
    • Korean Journal of Food Science and Technology
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    • v.29 no.3
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    • pp.533-538
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    • 1997
  • Lactobacillus bulgaricus and Kluyveromyces lactic were inoculated to Jangyeob and Jinpum soymilks single or together after the addition of different amounts of lactose to increase the formation of lactic acid and sensory evaluation. The decrease of pH and the increase of acid production during the fermentation of soy yogurts were more effective when lactose was added. And the single culture method was more effective in decreasing pH and in increasing acid production than the mixed culture method. Without lactose, the growth of lactic acid bacteria in samples increased by mixed culture method than by single culture method. However, the growth of lactic acid bacteria increased more in the by single cultured samples than in the mixed cultured samples by the addition of lactose. Beany flavor decreased more in soy yogurts compared with Jangyeob and Jinpum soy milks, and Jinpum soy yogurts had less beany flavor than Jangyeob soy yogurts. In sour taste, Jangyeob soy yogurt prepared by mixed culture for 36 hr incubation with 4% lactose showed the poorest score, while soy yogurts containing 2% lactose showed significantly better scores and no significant difference compared with milk yogurt. Soy yogurts containing 2% lactose showed no significant difference in overall acceptability compared with milk yogurt.

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An Authentic Certification System of a Printed Color QR Code based on Convolutional Neural Network (인쇄된 컬러 QR코드의 합성곱 신경망 알고리즘에 의한 진위 판정 시스템)

  • Choi, Do-young;Kim, Jin-soo
    • Journal of Korea Society of Industrial Information Systems
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    • v.25 no.3
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    • pp.21-30
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    • 2020
  • With the widespread of smartphones, the Quick response (QR) code became one of the most popular codes. In this paper, a new type of QR code is proposed to increase the storage capacities and also to contain private information by changing the colors and the shape of patterns in the codes. Then, for a variety of applications of the printed QR codes, this paper proposes an efficient authentic certification system, which is built on an conventional CNN (Convolutional neural network) architecture - VGGNet and classifies authentic or counterfeit with smartphones, easily. For authentic codes, the proposed system extracts the embedded private information. Through practical experiments with a printed QR code, it is shown that the proposed system can classify authentic or counterfeit code, perfectly, and also, are useful for extracting private information.

Studies on Changes of Isoflavone and Nutrients during Germination of Soybean Varieties (발아기간에 따른 대두 품종별 이소플라본 및 영양성분 변화)

  • Jeon, Su-Hyeon;Lee, Kyong-Ae;Byoun, Kwang-Eui
    • Korean Journal of Human Ecology
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    • v.14 no.3
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    • pp.485-489
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    • 2005
  • The purpose of this study is to investigate changes of isoflavone and nutrients during germination of soybean varieties and to determine the optimal germination condition for soybean processing. After 5 days' germination, water content of the soybeans increased in the order of Poongsannamoolkong> Sinpaldal#2> Black#1> Jinpumkong. Ash content was higher in the order of Poongsannamoolkong> Sinpaldal#2> Jinpumkong> black#1 soybean. All varieties of the soybean samples increased in ash content during germination. Crude fat content was higher in the order of Poongsannamoolkong> Black#1> Jinpumkong> Shinpaldalkong. Crude protein content was higher in the order of Shinpaldalkong> Black#1> Jinpumkong> Poongsannamoolkong. Polypeptide subunits separated from the SDS-PAGE of the entire proteins were showing comparatively high level in the range of 2-16KD in Jinpumkong and 2-21KD in Poongsannamoolkong till the first day of germination, 2-25KD in Sinpaldal#2 till the second day, and 6-27KD in Black#l till the third day. Changes of total isoflavone contents during germination showed different patterns in soybean varieties: Jinpumkong and Black#1 had the highest total isoflavone content on the fourth day of germination, Poongsannamoolkong and Sinpaldal#2 on the first and the second day of germination, respectively.

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Sprout Properties and Lipoxygenase Activity of Lipoxygenase-less Soybean Genotypes (Lipoxygenase 결여 콩 계통의 나물 특성 및 Lipoxygenase 활성)

  • Lee Heung Il;Kim Kwang Chul;Park Eui-Ho
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.50 no.spc1
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    • pp.112-117
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    • 2005
  • This study was conducted to see the feasibility of breeding for sprout soybean cultivar with minimum benny flavor using lipoxygenase-less lines. Lipoxygenase-less cultivar Jinpumkong2 was crossed by lipoxygenase containing Gwangankong, Sebaeknamulkong, and Pureunkong as paternal parent and 24 lipoxygenase-less lines derived from those 3 combinations were selected and those lines were evaluated with their parental cultivars. Germination rate showed no difference between lipoxygenase-less lines and their parental cultivars, however, rates of normal sprout of those and Jinpumkong2 were 63 and $56\%$, and were lower than that of paternal parents. Hypocotyl length of those was same as Jinpumkong2, however, shorter than paternal parents. Texture characteristics including hardness, cutting force and mastication of 96 hour-cultured sprout of lipoxygenase-less lines showed higher value than that of their parental cultivars. Lipoxtgenase isozyme was not detected in the sprout cotyledon of lipoxygenase-less lines, however it was observed in the sprout hypocotyl of all the used genotypes. Though lipoxygenase activity in the seed of lipoxygenase-less lines was lower than that of Jinpumkong2(0.477, ${Delta}A$ 234 nm min-1 mg meal-1),2 lines revealed more than 0.5 value. Lipoxygenase-activity of 2 day-cultured sprout(both cotyledon and hypocotyl) was the highest, decreased in 3 days after culture and re-increased thereafter. Several lipoxygenase-less lines with lower lipoxygenase activity of sprout than Jinpumkong2 were selected and this suggested the possibility of breeding lines for soy-sprout with low benny flavor.

진품 확인 시스템을 활용한 고려 인삼의 세계화 전략

  • 권혁인
    • 한국인삼전략화협의회:학술대회논문집
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    • v.2003 no.09
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    • pp.29-53
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    • 2003
  • "[ $cdot$ ]브랜드 전략 - 정관장 쌀(?) $ ightarrow$ 이천쌀, 여주쌀 - 정관장, 한삼인, 금산인삼 $ ightarrow$ 고려인삼(안성인삼, 강원이삼, 풍기인삼, 등) $cdot$정보전략 - 마케팅과 연계한 정보전략 $cdot$상품전략 - 생산자별로 차별화 할 수 있는 지"

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Strategies for Channel Innovation of True Korea Ginseng Distribution Using Genuine Guarantee System (진품확인시스템을 활용한 고려인삼 유통혁신전략)

  • 권혁인
    • Journal of Ginseng Research
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    • v.25 no.4
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    • pp.171-177
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    • 2001
  • Lately, the Korean ginseng was confronted with the sale crisis in world markets from the various circumstance. One of important difficulties is overspreading of Korean ginseng imitative in foreign markets. In Korean markets also, chinese ginseng was imported illegally and manufactured as Korean ginseng, which was resulted inthe damage of Korean ginseng brand. The most essential problem is misunderstanding of Korean ginseng 。 s information in the foreigner. In this paper, we developed a genuine guarantee system to identify the true Korean ginseng through internet and geographic cording system of Korean ginseng products. This system can be applied to the enforcement of Korean ginseng sale to international markets.

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Feature selection and similarity comparison system for identification of unknown paintings (미확인 작품 식별을 위한 Feature 선정 및 유사도 비교 시스템 구축)

  • Park, Kyung-Yeob;Kim, Joo-Sung;Kim, Hyun-Soo;Shin, Dong-Myung
    • Journal of Software Assessment and Valuation
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    • v.17 no.1
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    • pp.17-24
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    • 2021
  • There is a problem that unknown paintings are sophisticated in the level of forgery, making it difficult for even experts to determine whether they are genuine or counterfeit. These problems can be suspected of forgery even if the genuine product is submitted, which can lead to a decline in the value of the work and the artist. To address these issues, in this paper, we propose a system to classify chromaticity data among extracted data through objective analysis into quadrants, extracting comparisons and intersections, and estimating authors of unknown paintings using XRF and hyperspectral spectrum data from corresponding points.

Anti-Platelet Aggregating Effect of Solvent Extracts from Korean Soybean Varieties and Isoflavone Derivatives (품종별 국산콩 추출물 및 Isoflavone 유도체의 혈소판 응집억제작용)

  • Jang, Mi-Jeong;Kang, Myung-Hwa;Park, Young-Hyun
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.34 no.9
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    • pp.1320-1324
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    • 2005
  • Soybean (Glycine max L.) is an increasingly important food source and functional food. Platelet aggregation plays an important role in thrombogenesis and atherosclerosis. Here, we studied the anti-platelet aggregating effects of solvent extracts from Korean soybean varieties and isoflauone derivatives. Nine Korean soybean varieties were extracted by solvents (methanol and buthanol and their extracts was investigated for the inhibition against tile aggregation of washed rabbit platelets induced by collagen or thrombin. Maximal inhibition of buthanol extracts against platelet aggregation induced by collagen was $95\%$ in Black-kong and Jinpum - kong. The potency of their inhibition was in the following order : Black > Jinpum > Bokwang > Hwangkum > Pureun > Malli > Danbaek > Danyeob > Jangsu - kong. The Black - kong only seemed to produce the maximal inhibition against platelet aggregation induced by thrombin. Total isoflavone content measured was Jinpum-kong ($1347.8{\mu}g/g$) and Black-kong ($918.7{\mu}g/g$). Maximal inhibition of isoflavone derivatives against platelet aggregation induced by collagen was $97\%$ in genistein. The potency of their inhibition was in the following order: genistein>daidzein>genistin. The isoflavone derivatives did not affect the platelet aggregation induced by thrombin. However, Black-kong cortex seemed to Produce the optimal inhibition against platelet aggregation induced by collagen. These results suggest that Black-kong and Jinpum-kong may be a good source for antiplatelet agents, and their antiplatelet effect be related to tile content and the chemical structure with the number of -OH group and the attached glycoside in the isoflavone derivative.