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Quality Characteristics of Rice Cookies using Rice Flour (쌀가루로 제조한 쌀 쿠키의 품질 특성)

  • Lee, Youn Ri
    • The Korean Journal of Food And Nutrition
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    • v.31 no.4
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    • pp.571-575
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    • 2018
  • The author made rice cookies using 100% rice and measured their density, spreadability, color, hardness, and fatty acid contents. The density was not significantly different between wheat cookies and the rice cookies made here; however, the density of dough tended to be higher in the rice cookies. Spreadability tended to be lower in rice cookies than wheat cookies. Regarding the color of rice cookies, L, indicating brightness, was found to be higher in rice cookies than in wheat cookies, and a, indicating redness, was found to be lower in rice cookies than in wheat cookies. B, indicating yellowness, was not significantly different between wheat cookies and rice cookies, and hardness tended to be lower in rice cookies. Regarding fatty acid contents, saturated fatty acids such as myristic acids, palmitic acids, and stearic acids were found in rice cookies; However, the contents of saturated fatty acids tended to be lower in rice cookies than in wheat cookies. The monounsaturated fatty acids found in rice cookies were mainly oleic acids, and the polyunsaturated fatty acids found in them were linoleic acid, and these were found more in rice cookies than in wheat cookies. Concerning essential fatty acids such as linoleic acids, linolenic acids, or arachidonic acids, they were found more in cookies made of rice powder than in those made of wheat powder.

A Study on the Utilization of Korean Traditional Cookies by Housewives (주부(主婦)들의 한과류(韓菓類) 이용(利用)에 관한 실태조사(實態調査))

  • Kye, Seung-Hee;Yoon, Suk-In;Lee, Chul
    • Journal of the Korean Society of Food Culture
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    • v.2 no.2
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    • pp.103-116
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    • 1987
  • To investigate the utilization of Korean traditional cookies by housewives, a survey was conducted to 1,037 housewives residing in Seoul, from October 16 to 23, 1986. Results are summarized as follows; The frequency of intake of Korean traditional cookies was very low depending on the age and total income. Housewives didn't prepare Korean traditional cookies at home, but mainly purchased commercial products in the market. Older people preferred Korean traditional cookies than younger people. The Korean traditional cookies which preferred by the housewives were generally Yackwa, Sesame-Gangjung, Soybean-Gangjung, Sanja, Perilla-Yutgangjung, Maejagkwa, Seban-Gangjung, Soybean-Yutgangjung and Black sesame-Gangjung. Improvement of taste in Korean traditional cookies was desired by 44.7% out of respondents. Additionally the respondents agreed that quality of Korean traditional cookies which is on the market have superior quality than western cookies, that the price of Korean traditional cookies is expensive and that Korean traditional cookies have various and abundent kind. The respondents preferred bamboo basket packing as packing materials of Korean traditional cookies. The main reason why Korean traditional cookies isn't wide spread use is the mass production of Korean traditional cookies does not accomplished.

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Characteristics of Sugar Cookies with Replacement of Sucrose with Sugar Alcohols (I) Organoleptic Characteristics of Sugar Alcohol Cookies (당알콜을 이용한 Sugar Cookie의 제조 (I) 당알콜 쿠키의 관능적 특징)

  • Shin, In-Young;Kim, Hyuk-Il;Kim, Chang-Soon;Whang, Key
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.28 no.4
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    • pp.850-857
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    • 1999
  • The purpose of this study was to investigate replacing possibility of sucrose by sugar alcohols and to establish the optimum formula for the development of sugar cookies. The characteristics of sugar cookies prepared with xylitol, maltitol, lactitol, isomalt substituted for 35, 50, 75, 100% of sucrose were examined through physical measurement and sensory evaluation. The spread ratio of cookies containing sugar alcohols except xylitol was superior to that of control cookies(sucrose 100%) and the use of lactitol increased the spread ratio of cookies. The specific gravity of cookies containing sugar alcohols except xylitol was lower than that of control cookies. Therefore spread ratio was in inverse proportion to specific gravity. As the proportion of sugar alcohols increased in cookie formula, surface color of cookies was getting lighter than that of control cookies. Especially cookies containing xylitol, maltitol was getting lighter as the levels of replacement increased. Overall quality of cookies with sugar alcohols containing sensory analysis was superior to that of control cookies.

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Influence of Purple Sweet Potato Powder Addition on the Quality Characteristics and Oxidative Stability of Cookies

  • Chung, Hai-Jung
    • Preventive Nutrition and Food Science
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    • v.14 no.1
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    • pp.60-65
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    • 2009
  • Cookies were prepared by adding different levels (0, 5, 10, 15, and 20%) of purple sweet potato powder (PSPP) and their physicochemical and sensory characteristics were examined. With increase of the PSPP level, moisture content decreased and ash content increased (p<0.05). The spread factor of control cookies was higher than that of cookies containing PSPP. The incorporation of PSPP in cookies lowered the lightness and yellowness but increased redness (p<0.05). Texture measurement showed that the addition of PSPP did not affect the hardness of cookies. Results of acceptance test revealed that overall acceptability score was not significantly different between the control and the PSPP added cookies. Therefore, it is suggested that PSPP can be incorporated into cookies up to 20% without affecting the cookie quality. Total polyphenol content and antioxidant activity were assessed to examine the functionality of cookies. In addition, substitution of wheat flour with PSPP yielded cookies with higher polyphenol content and antioxidative activity (p<0.05). The peroxide value (POV) and acid value increased during storage at $60^{\circ}C$ for 80 days. The POV was significantly lower in cookies containing PSPP than the control cookies, suggesting that the addition of PSPP deterred the lipid oxidation (p<0.05).

Quality Attributes of Cookies Prepared with Tomato Powder

  • Chung, Hai-Jung
    • Preventive Nutrition and Food Science
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    • v.12 no.4
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    • pp.229-233
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    • 2007
  • This study was conducted to investigate the quality characteristics of cookies added with different levels of tomato powder. Cookies were prepared with five different levels of tomato powder (0, 2.5, 5.0, 7.5, and 10.0%) and the physicochemical properties were examined. The pH of cookie dough decreased significantly by the addition of tomato powder (p<0.05). Crude protein and ash content of the cookies containing 5.0, 7.5 and 10.0% tomato powder were significantly higher than those of control and those with 2.5% (p<0.05). The spread factor of control cookie was lower than that of cookies containing 5.0, 7.5, and 10.0% tomato powder. The incorporation of tomato powder in cookies lowered the lightness values but increased redness and yellowness values. Rheology testing showed that cookies with 5.0, 7.5, and 10.0% tomato powder had significantly lower hardness value than control. Sensory evaluation revealed that overall desirability scores were not significantly different between control and tomato powder added groups. Therefore, cookies with up to 10.0% added tomato powder would be as acceptable as control cookies without depressing cookie quality.

A Study on the Consumption Patterns and Preferences of Korean Cookies of Housewives in Daegu Province (한과에 대한 주부들의 이용실태 및 기호도 조사 -대구지역을 중심으로-)

  • 김향희
    • Journal of the East Asian Society of Dietary Life
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    • v.12 no.4
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    • pp.280-288
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    • 2002
  • The purpose of this study is finding a solution to increase the consumption of Korean cookies by investigating and analyzing the actual consumption patterns, suggestions fur improvement and preferences for Korean cookies. The data fer this study was collected from 358 housewives living in Daegu province. Results show that 77.4% of housewives in this locale eat Korean cookies on a special day such as memorial service day of ancestors, festive day or party. The frequency of having Korean cookies were significantly different due to the income (p<.05): the higher the income, the more often people had Korean cookies. They usually purchase Korean cookies on the market rather than making them by themselves. The percentile of housewives who have never made Korean cookies before was up to 51.7% Only the housewives over fifty had some experience making the Korean cookies. The number of people who teamed the method fur making Korean cookies from their family elders increased according to their age. The reasons why they buy Korean cookies on the market are as follows: the most frequent answer (45.5%) was the price. 34.5% of the responder리s did not know how to make them. 32.1% replied that the process is too complex and troublesome. The most frequent requests for the market was expanding the diversity and improving the quality. In response to why they want the Korean cookies to be inherited. 68.8% of respondents answered that it is traditional culture. 4.01% of respondents replied that `ssalyeatgangung' is their favorite Korean cookie. 3.90% of them like 'sanja' the best and 3.91% of the housewives preferred yakwa to other Korean cookies. This study shows that the most preferred Korean cookies are yeatganjung, yakwa and sanja

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A Study on the Antioxidative Effect and Quality Characteristics of Cookies Made with Lycii fructus Powder (구기자를 첨가한 쿠키의 품질특성과 항산화효과)

  • Park Bock-Hee;Cho Hee-Sook;Park Sun-Young
    • Korean journal of food and cookery science
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    • v.21 no.1
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    • pp.94-102
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    • 2005
  • The purpose of this study was to investigate the antioxidative effect and quality characteristics of cookies made with Lycii fructus powder(LFP). The cookies were stored at $50^{\circ}C$ for 40 days. The LFP additive increased the moisture, ash, crude protein and volume of the cookies. When LFP was added at $5\%$ into the cookies, the spread ratio was higher than for the control, the $10\%$ and the $20\%$ LFP cookies. As more LFP was added, the L-value decreased, and the a--values and b-values increased for the color values. For the textural characteristics, springiness and cohesiveness of the control cookies were the highest among the samples, the other side, brittleness and gumminess were higher in cookies made with LFP than in the control cookies. Overall, the cookies made with $5\%$ LFP were preferred more than the other cookies, as tested forby sensory evaluation. The cookies made with LFP contained mostly palmitic acid (C16:0) followed by oleic acid (C18: 1) and stearic acid (C18:0). The acid value, peroxide value, and thiobarbituric acid value were lower in cookies made with $5\%$ and $10\%$ LFP than in those cookies made with $20\%$ LFP and the control cookies.

Quality Characteristics of Cookie with Burdock (Arctium lappa L.) Powder (우엉분말을 첨가한 쿠키의 품질특성)

  • Kim, Hyun-Yong;Kim, Kyoung-Hee;Yook, Hong-Sun
    • Korean journal of food and cookery science
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    • v.33 no.3
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    • pp.325-332
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    • 2017
  • Purpose: The study investigated the quality characteristics of cookies prepared 0, 10, 20 and 30% burdock (Arctium lappa L.) powder. Methods: Cookies were manufactured with 0%, 10%, 20%, and 30% wheat flour substituted for burdock powder. Results: Density of the dough showed no significant differences with increasing amount of burdock powder, whereas pH of the dough decreased with increasing burdock powder content. The pH of cookies decreased with increasing burdock powder content, whereas $^{\circ}brix$ of cookies increased with burdock powder content. The moisture contents of cookies increased with increasing burdock powder content. The spreadability of cookies decreased with increasing burdock powder content. The L-value of cookies decreased, a-value increased, and b-value decreased with increasing burdock powder content. The hardness of cookies decreased with increasing burdock powder content. Total polyphenol contents and DPPH radical scavenging activity increased with increasing burdock powder content (p<0.05). In the sensory evaluation, appearance, color, flavor, and texture were highest in the control group, whereas sweet taste and savory taste were highest in the added group. For overall acceptance of cookies, 10% burdock powder cookies showed higher values than the control and other samples. Conclusion: Results suggest that cookies manufactured with 10% burdock powder are the most optimal product.

Quality Characteristics of Cookies Added with Guava(Psidium guajava L.) Leaf Powder (구아바 잎 분말을 첨가한 쿠키의 품질 특성)

  • Jeong, Eun-Ja;Kim, Kwan-Pil;Bang, Byung-Ho
    • The Korean Journal of Food And Nutrition
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    • v.25 no.2
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    • pp.317-323
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    • 2012
  • We investigated the quality characteristics of cookies prepared after the addition of various concentration of used guava leaf powder(0%, 1%, 3%, 5%, all w/w) as a substitute for flour. In this study, as guava leaf powder concentration rose, there was a decrease in the water content level. In addition, color, spread factor, hardness and sensory evaluation of the cookies were examined. The results showed that with an increase in guava leaf powder concentration, the L value decreased significantly, while the values for a and b of cookies increased when more guava leaf power was added to cookies. The spread factor of cookies decreased, but the hardness of cookies increased significantly, as guava leaf powder concentration increased. Cookies containing 0% and 3% of guava leaf powder showed a similar sensory evaluation score in terms of color, taste and flavor of the cookies. In the case of texture and overall consumer acceptability, cookies with 3% of guava leaf powder showed the highest score.

A Survey on the Korea Traditional Cookies of Housewives in Seoul Area (서울지역 주부들의 한과에 대한 인지도 조사)

  • Yoon, Sook-Ja;Kim, Woon-Jin
    • Journal of the Korean Society of Food Culture
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    • v.19 no.4
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    • pp.435-446
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    • 2004
  • A self completed survey of 250 housewivies living in the Seoul. The aim of this study was to investigate the perceptions and preferences of 20's, 50s housewives to Korean traditional cookies. The result is as follows. As to the preference of Korean traditional cookies, 86.0% answered they liked it. The frequency rate or eating Korean traditional cookies showed that 2 times a year reached the highest 45.6%. They usually purchase Korean cookies on the market rather than making them by themselves. The study showed that 50s housewives preferred Korean cookies are yakwa(74.3%), maejackwa(35.7%) and kangjung(34.3%) otherwise 20s housewives preferred Korean traditional cookies are yakwa(79.4%), hanging(60.0%) and yeat gangiung(39.4%) This survey study may contribute to the improvement of Korean traditional cookies.