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Quality Characteristics of Cookies Made with Flaxseed Powder (아마씨 가루를 첨가한 쿠키의 품질특성)

  • Kim, Su-Yean;Chung, Hai-Jung
    • Food Engineering Progress
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    • v.15 no.3
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    • pp.235-242
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    • 2011
  • This study was conducted to investigate the quality characteristics of cookies added with different levels of flaxseed powder. Cookies were prepared with four different levels (0%, 6%, 12% and 18%) of flaxseed powder and the physicochemical properties were examined. The pH of cookie dough was higher in cookies containing flaxseed powder. The spread factor of control cookie was lower than that of cookies containing 6%, 12% and 18% of flaxseed powder. The incorporation of flaxseed powder in cookies lowered lightness and yellowness but increased redness values. Rheology testing showed that cookies with 6%, 12% and 18% flaxseed powder had significantly lower hardness value than control cookies (p < 0.05). Consumer acceptance test revealed that overall preference score was the highest in cookies containing 12% flaxseed powder. During storage at $55^{\circ}C$ for 60 days, peroxide value increased until 30 days of storage and decreased thereafter, while acid value steadily increased and there was no significant difference in peroxide value and acid value between control cookies and flaxseed added cookies.

Life stress, dietary attitudes, and frequency of snack intake for college students in Seoul and Gyeonggi area: the difference between male and female students

  • Hyun Seung Oh;Yu bin Kim;Soyoung Park;Kyunghee Song
    • Nutrition Research and Practice
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    • v.17 no.1
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    • pp.91-102
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    • 2023
  • BACKGROUND/OBJECTIVES: This study examines life stress, dietary attitudes, and snacking frequency for college students living in Seoul and Gyeonggi Province. The purpose of this study is to assist college students feeling stressed by offering desirable dietary attitudes and choices of the appropriate snacks by providing educational materials that offer appropriate nutrition education and nutritional information. SUBJECTS/METHODS: A survey was conducted on a total of 600 college students aged 19-29-year-olds living in Seoul and Gyeonggi Province (234 male students and 366 female students). Collected data were analyzed using SPSS WIN 28.0 program. RESULTS: Life stress among college students did not differ significantly between the genders. Male students were more stressed about lover (P < 0.01), while female students were more stressed about value problems (P < 0.01) and future problems (P < 0.05). Dietary attitude ratings were 3.1 for both male and female students with no significant difference. The overall snacking frequency was 4.1 times/day-4.2 times/day for male students and 4.0 times/day for female students-thus, there was no significant difference. Male students consumed 'beverage' (P < 0.01) more frequently than female students. Life stress and snacking were positively correlated for 'biscuit/cookie,' 'chip,' 'cereal,' 'juice/smoothie,' 'café americano,' 'café latte,' 'tea,' 'jelly,' 'chocolate,' 'rice cake,' 'milk,' 'flavored milk,' and 'ice cream' among male students. Among female students, life stress and snacking were positively correlated with 'cereal,' 'caramel,' and 'soymilk,' and negatively correlated for 'biscuit/cookie' and 'carbonated drink.' CONCLUSIONS: College students should manage their stress by identifying its causes and learning how to deal with stressful situations. Additionally, providing them with proper nutrition education based on the correct nutritional information is essential for promoting good food attitudes and snacking behaviors.

Process Optimization for Cookies with Low-marketable Israeli Carp Cyprinus carpio Using Response Surface Methodology (RSM) (반응표면분석법을 활용한 저상품성 향어(Cyprinus carpio) 쿠키 제조 공정 최적화)

  • Ye Youl Kim;Sang In Kang;Jin-Soo Kim
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.56 no.3
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    • pp.284-292
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    • 2023
  • This study was conducted to optimize the cookie preparation using Israeli crap Cyprinus carpio paste (C-ICP). The results of response surface methodology suggested the selection of other supplementary materials/[soft flour (SF) + ICP] (X1) and SF/ICP (X2) as independent variables, and hardness (Y1), yellowness (Y2), amino acid nitrogen (Y3), and overall sensory acceptance (Y4) as dependent variables. The optimal conditions of OS, SF, and ICP were 35.0%, 40.3% and 24.7%, respectively, and the predicted values of the multiple response optimal conditions Y1, Y2, Y3, and Y4 were 2,006.2 N/m2, 21.1, 30.0 mg/100 g, and a score of 6.6, respectively. Under the optimum conditions, experimental values of Y1, Y2, Y3, and Y4 were 2,010.5 ± 22.3 N/m2, 21.6 ± 0.5, 29.6 ± 0.7 mg/100 g, and a score of 6.9 ± 0.3, respectively, which were not significantly different from the predicted values (P < 0.05). The results on hardness, moisture, VCI yellowness, and lightness suggested that the optimum heating period was 20 min. C-ICP prepared under the optimum conditions was superior in sensory evaluation to cookies without the Israeli carp paste.

A study on eating habits of the Buddhist Priesthood in Seoul and Kyongnam -I. Dietary pattern and special food- (서울, 경남지역 승가(僧家)의 식생활(食生活)에 관한 조사연구 -I. 식이패턴과 특별식 중심으로-)

  • Cho, Eun-Ja;Park, Sun-Hee
    • Journal of the Korean Society of Food Culture
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    • v.9 no.2
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    • pp.111-118
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    • 1994
  • The purpose of this study was to understand dietaty culture of the Buddhist priesthood in Seoul and Kyungnam. This survey was carried out through questionnaries and the subjects were 26 temples and hermitages. The results of this study can be summarized as follow: 1. Most of the Buddhist priesthood takes meal three times for a day regularly. The substitution food was used mainly rice gruel, fruits, powder of roasted grain, kinds of cookie and confectionary, kinds of steamed dish and milk. 2. The seasoning substances were used necessarily soy sauce, soybean paste, salt and sesame, sesame oil, vegetable oil, and used rarely Jepi powder, red powder, chinese pepper and M.S.G. 3. Eating table was used chiefly for Buddhist priethood and a vistor, and tea and cookie, D'ock, noodle were used often. Event and party foods of temple were used Bibimbab, Ogokbab, Yagbab, D'ockguk, soybean of noodle. 4. Offering food to Buddha was used to Five-offered to Buddha(香, 燈, 茶, 果, 米) primarily and religious food was used scarcely. 5. Special food was used D'ock, hand made cookie and confectionaries, kinds of chinish medicine tea and pine needle tea. Injulmi and Julpyun were prepared most frequently, and used to mixed rice flour with mugwort now and then. Coating and filling powders for D'ock were used to red bean, mung bean and soy bean. Kinds of hand made cookie were Yagkwa, Kangjeong, Dasik, Jungkwa and Yangeng. Beverages were thick hot beverage, kinds of leaf tea, chilled beverage, Yaksu mixed with soy sauce and bamboo salt, kinds of chinese medicine tea, milk and milk products and pine needles tea. 6. Preserved foods were used edible mountain herbs and seaweeds in drying and frying.

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Quality Characteristics of Cookies Containing Ligularia fischeri Powder (곰취 분말을 첨가한 쿠키의 품질특성)

  • Park, In-Duck
    • Journal of the Korean Society of Food Culture
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    • v.30 no.2
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    • pp.206-212
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    • 2015
  • The purpose of this study was to investigate the quality characteristics of cookies containing Ligularia fischeri powder (0, 1, 2, 3, 4%) substituted for flour. This study measured the density, pH, spread ratio, volume, color values, hardness, and sensory properties of cookies. The pH of cookie dough significantly decreased in response to addition of Ligularia fischeri powder (LFP) at all levels. The spread factor of cookies also significantly increased with higher LFP content. In addition, Hunter's color L, a, and b values significantly decreased with increasing LFP content. According to hardness measurement, substitution of 1~4% LFP resulted in increased hardness compared to the control. In the sensory evaluation, sensory scores for color, flavor, and overall acceptability were highest in 2% Ligularia fischeri powder cookies. Thus, our results suggest that the optimum amount of Ligularia fischeri powder added to cookies was 2%. These results suggest that Ligularia fischeri powder can be applied to cookies to achieve high quality and functionality.

Manufacture for living supplies of Chestnut wood(Castanea crenata Sieb. et Zucc)

  • Kim, Sa-Ick;Lee, Seong-An;Kim, Dong-Kooi
    • Journal of the Korea Furniture Society
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    • v.20 no.6
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    • pp.575-580
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    • 2009
  • This study was carried out to manufacture wooden vessels by small diameter wood and wasted wood of Castanea crenata Sieb. et Zucc, which has been largely planted in southern area. We made spice set, tea box set, cookie vessel set, bowl set and accessory set. With the development of edged tools, the human species has been able to fashion wood to change and enhance its environment - one only has to look at the history of all cultures to see examples of wooden artifacts and structures. Even with the development of synthetic materials and the progress of automated, mechanized production of wood and wood products, the raw material is still processed by traditional methods to meet a never-ending demand for products made from this most desirable natural material. Chestnut wood has high added value and natural color grain and is very useful for wooden vessel. Thinned low grade trees can be used to produce wooden vessel. Therefore this result can promote thinning and produce good forestation.

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Effects of adding ethanol extracts from Ulmus davidiana to Yackwa base as an antioxidant during storage

  • Sim, Ki Hyeon
    • Korean Journal of Food Science and Technology
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    • v.49 no.1
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    • pp.63-71
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    • 2017
  • This study aimed to assess the antioxidative potential of adding ethanolic extracts from Ulmus davidiana to Yackwa (Korean fried cookie). The reducing power and antioxidant activity of U. davidiana-treated Yackwa were assessed against DPPH, nitric oxide, superoxide anions, superoxide dismutase, and ABTS radicals. Increasing the amount of U. davidiana extract in Yackwa dough resulted in improved antioxidant properties. U. davidiana extracts were effective antioxidants with a radical scavenging potency similar to the potency of butylated hydroxytoluene (BHT) and L-ascorbic acid. The DPPH and nitric oxide radical scavenging activity of Yackwa containing 0.2% U. davidiana resulted in increased oxidative stability relative to control dough. Although the antioxidant effects of Yackwa containing U. davidiana extract were lower than those of Yackwa containing BHT and L-ascorbic acid, these results suggest that U. davidiana extracts have potent antioxidant activity. Accordingly, U. davidiana extract is a potential additive for deep-fried foods, such as Yackwa, to improve their oxidative stability.

Proposition of HTML Encryption Using Cookie (쿠키를 이용한 HTML 문서의 암호화 제안)

  • Han, So-Hee;Cho, Dong-Sub
    • Proceedings of the Korean Information Science Society Conference
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    • 2008.06d
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    • pp.37-40
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    • 2008
  • 대부분의 인터넷 사용자들은 자신도 모르는 사이에 쿠키의 사용을 허용하고 있다. 또한 쿠키를 사용함으로써 인터넷 속도가 빨라진다는 사실도 아울러 간과하고 있다. 그리고 인터넷을 떠도는 모든 페이지는 HTML 문서로 표현된다. 따라서 누구나 웹 사이트의 소스에 쉽게 접근하여 트랙킹이나 해킹의 도구로써 사용할 수 있다. 본 논문은 필연적으로 사용하게 되는 쿠키를 키로 하여 HTML 문서의 암호화를 제안한다. 특히 웹 서버와 클라이언트 환경으로 한정하여 웹 서버가 클라이언트에게 암호화된 HTML 문서를 전송함으로써 제 3자로 하여금 클라이언트의 액티비티가 전혀 노출되지 않도록 한다.

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Optimization of Iced cookiess with the Addition of Pine leaf Powder (솔잎 가루 첨가 냉동 쿠키의 제조 배합비의 최적화)

  • Jin So-Yeon;Joo Na-Mi;Han Young-Sil
    • Korean journal of food and cookery science
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    • v.22 no.2 s.92
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    • pp.164-172
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    • 2006
  • The purpose of this study was to find the optimal mixing condition of three different amounts of pine leaf powder, butter and sugar for preparation of pine leaf cookies. The optimum mixing condition for pine leaf cookies was optimized by response surface methodology The optimum mixing rates of pine leaf powder, butter and sugar were 8.6 g, 252.8 g and 154.1 g for color, 8.4 g, 240.7 g and 149.8 g for appearance, 8.8 g, 246.5 g and 154.7 g for flavor and 10.9 g, 277.1 g and 134.6 g for texture respectively. The optimum mixture ratio which fulfilled all items was pine leaf powder 9.4 g, butter 270.5 g and sugar 141 g.

Updated SSDP Scheme for DDoS Attack Defense

  • Huang, Haiou;Hu, Liang;Chu, Jianfeng
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.12 no.9
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    • pp.4599-4617
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    • 2018
  • Abusing the Simple Server Discovery Protocol (SSDP) can induce an SSDP attack (including SSDP DoS, DDoS, DRDoS) posing a significant threat to UPnP devices. Rapid and extensive developments in computer technology, especially in regards to IoT, have made Upnp devices an indispensable part of our daily lives - but also render them susceptible to a variety of SSDP attacks without suitable countermeasures. This paper proposes the Two-dimensional table scheme, which provides high security at a reasonable computational cost. The feasibility and effectiveness of the proposed scheme are also validated by comparison against four other schemes (Stateless connections, Failing-together, Cookie, and Client puzzle).