• Title/Summary/Keyword: Effect of food

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The Effect of Food Choice Motives on the Attitude and Consumption Behavior for Traditional Fermented Food in Adolescents (청소년의 음식선택동기가 전통발효음식에 대한 태도 및 섭취행동에 미치는 영향)

  • Lee, Jung Woo;Kim, Yookyung
    • Journal of Korean Home Economics Education Association
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    • v.25 no.3
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    • pp.93-104
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    • 2013
  • The aim of this study was to investigate the associations among the food choice motives, attitude to the traditional fermented food, and traditional fermented food consumption behavior in adolescents. Using a web-based self-completion questionnaire, food choice motives, attitude to the traditional fermented food, and frequency of traditional fermented food consumption were examined in 319 high school students in Seoul. As follows are the results of this study; first, food choice motives were emerged by seven factors, and labeled as good food, healing, convenience, weight control, familiarity, price, and health. Attitude to the traditional fermented food and consumption behavior of traditional fermented food were emerged as independent factor, respectively. Second, food choice motives had the significant effect on the attitude to the traditional fermented food(p<.05). Among them, price had the strongest effect(${\beta}$=.235), followed by healing(${\beta}$=.190), health(${\beta}$=.175), and convenience(${\beta}$=.126). Third, the consumption behavior of traditional fermented food was strongly influenced by the attitude to the traditional fermented food(${\beta}$=.549). Finally, weight control was the only direct driver for traditional fermented food consumption. Price, healing, health, and convenience acted as indirect drivers for traditional fermented food through the positive attitude to the traditional fermented food. In conclusion, since the formation of the positive attitude to the traditional fermented food is important for the increase of traditional fermented food consumption, the analysis of underlying food choice motives and attitude to the traditional fermented would be essential.

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Factors Influencing Instant Properties of Agglomerated Food (조립화된 분말식품의 인스탄트성질에 영향을 미치는 인자)

  • Park, Hyun-Jin;Rhee, Chul
    • Korean Journal of Food Science and Technology
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    • v.18 no.1
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    • pp.48-54
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    • 1986
  • Influencing factors on the instant properties of agglomerated parched barley powder prepared by fluidized bed agglomerator were investigated. Instant effect was measured by the determination of wettability, sinkability, dispersibility and solubility of agglomerated particles. Instant effect of agglomerated particle was influenced by sorts of binding materials, concentration of aqueous binder solution and agglomerated particle diameter. The binding materials for agglomerated process were water and aqueous solution of glucose, maltose and gelatin. Instant effect of agglomerated particles increased as the concentration of aqueous sugar solution increased. However, the effect of aqueous solution of gelatin on instant effect was inversely proportional to the concentration. The size of agglomerated particle had an outstanding effect on instant properties and the diameter of agglomerated particle ranging from 0.1 mm - 0.3 mm showed the excellent instant effect.

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Antioxidative Effect of Glasswort(Salocornia herbacea L.) on the Lipid Oxidation of Pork (돈육 지방에 미치는 함초(Saiicoma herbacea L.)의 항산화 효과)

  • 한승관;김선민;표병식
    • Food Science of Animal Resources
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    • v.23 no.1
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    • pp.46-49
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    • 2003
  • Classwort (Salicornia herbacea L.), a halophyte, is a potential functional food resource in Korea. This study was conducted to determine the antioxidant activity of glasswort, as a functional food material, on the lipid oxidation of pork. To compare antioxidant effect of different parts of glasswort, samples such as dried ground leaves, stems, and roots of glasswort were prepared. The antioxidant activity was determined by the TBARS(Thiobarbituric Acid Reactive Substances) method. Freeze-dried leaves of glasswort at 0 day of storage had the lowest TBARS values, suggesting the highest antioxidant effect. But the antioxidative effect of freeze-dried leaves of glasswort was less than that of BHT. At 7 days after storage, however, the values were not different from oven-dried leaves. The oven-dried leaves at 14 days after storing should highest antioxidative activity. In conclusion, antioxidative effect of glasswort was apparently exhibited through measurement of TBARS. Antioxidative effect from ground leaf sample of glasswort harvested in coastal region was the highest, followed by root and stem samples. Glasswort had twice as high antioxidative effect as sea salt and bamboo salt.

Effect of Enterotoxigenic Escherichia coli on Microbial Communities during Kimchi Fermentation

  • Lee, Woojung;Choi, Hyo Ju;Zin, Hyunwoo;Kim, Eiseul;Yang, Seung-Min;Hwang, Jinhee;Kwak, Hyo-Sun;Kim, Soon Han;Kim, Hae-Yeong
    • Journal of Microbiology and Biotechnology
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    • v.31 no.11
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    • pp.1552-1558
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    • 2021
  • The diverse microbial communities in kimchi are dependent on fermentation period and temperature. Here, we investigated the effect of enterotoxigenic Escherichia coli (ETEC) during the fermentation of kimchi at two temperatures using high-throughput sequencing. There were no differences in pH between the control group, samples not inoculated with ETEC, and the ETEC group, samples inoculated with ETEC MFDS 1009477. The pH of the two groups, which were fermented at 10 and 25℃, decreased rapidly at the beginning of fermentation and then reached pH 3.96 and pH 3.62. In both groups, the genera Lactobacillus, Leuconostoc, and Weissella were predominant. Our result suggests that microbial communities during kimchi fermentation may be affected by the fermentation parameters, such as temperature and period, and not enterotoxigenic E. coli (ETEC).

미생물 생육에 대한 무 추출물의 억제 및 촉진 효과

  • 곽희진;계수경
    • Journal of Applied Tourism Food and Beverage Management and Research
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    • v.11
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    • pp.29-42
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    • 2000
  • Extracts active on the growth of food-born microorganisms were prepared from radish by using acetone, methanol and water as the solvents. Strains of bacteria and yeast, such as L. brevis, L. fermentum, L. faecalis, L. mesenteroides, B. subtilis, S. flexneri, S. aureus and C. albicans. Addition of 1 $m\ell$ of acetone extract exhibited the strongest growth effect on L. brevis. The water extracts turned out to stimulate growth of all Lactic acid bacteria. Especially, it was observed that the same material produced the highest stimulatory effect(by about 40-50 times) on L. faecalis and L. fermentum and L. mesenteroides. Also, it was proved to have a weak stimulate effect on C. albicans, S. flexneri and S. aureus. But, on the contrary to this, when applied to B. subtilis it showed growth stimulation by about 10 times.

Effect of phosphatidylserine on cognitive function in the elderly: A systematic review and meta-analysis

  • Kang, Eun Young;Cui, Fengjiao;Kim, Hyun Kyung;Nawaz, Hadia;Kang, Sumin;Kim, Hayoon;Jang, Jihye;Go, Gwang-woong
    • Korean Journal of Food Science and Technology
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    • v.54 no.1
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    • pp.52-58
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    • 2022
  • Phosphatidylserine (PS) is an essential component of the cerebral cortex and is associated with cognitive function. In this systematic review, the effects of PS on cognitive function in the elderly population are examined. The literature search included PubMed, EMBASE, Cochrane, and Web of Science databases. Subsequently, nine studies, including five randomized controlled trials and four pre-post studies, were selected. There were 961 participants in the selected studies; PS dosage varied from 100 to 300 mg/d, and the experimental period ranged from 6 weeks to 6 months. Five out of the nine selected studies were assessed to have a 'low' risk of bias, whereas the other four studies were assessed to have 'some concerns' regarding the risk of bias. The results of the meta-analysis concluded that PS had a positive effect on the memory of older adults with cognitive decline. Thus, PS appears to improve age-associated cognitive decline, especially memory, with no adverse effects.

The Effect of Food Waste Compost and Livestock Manure on Chinese Cabbage (Brassica rapa var. glabra) Growth

  • Lee, Young Don;Yoo, Jae Hong;Joo, Jin Ho
    • Korean Journal of Soil Science and Fertilizer
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    • v.50 no.6
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    • pp.547-553
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    • 2017
  • Treatment of food waste is becoming a big issue due to their significant quantities. Composting could be an effective alternative for food waste management which could be used as soil conditioner or fertilizer with little concerns about heavy metals and pathogens. The purpose of this research was to evaluate the effect of food waste on Chinese cabbage growth and soil properties. 9 different treatments (two livestock manures, two food wastes, two livestock manures + chemical fertilizer, two food wastes + chemical fertilizer, and control) were applied to Chinese cabbage. All treatments were carried out in 3 replicates. We measured leaf length, leaf width, fresh weight, dry weight, and leaf greenness of Chinese cabbage. Treatment of one of food waste composts significantly increased leaf length and leaf width of Chinese cabbage by 28.6, 26.6, 67.7, and 59.9%, respectively, in comparison to those of control, while no significant differences for leaf greenness were shown. Application of food waste compost resulted in significant increase of EC, available $P_2O_5$, CEC, organic matter, and exchangeable cations. However, further researches are needed to reduce NaCl content of food waste.

A Study on the Food Poisoning Control Method of Employees in the Kitchen (주방 종사원의 식중독 관리 방안 연구)

  • 엄영호
    • Culinary science and hospitality research
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    • v.5 no.1
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    • pp.227-245
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    • 1999
  • This research devided food poisoning so offer prevention specially employee in the food treatment at kitchen affect much direct effect. So indivisual sanitation and culinary sanitation are offered, but the writer feel at a loss despite and loide observation not offered professional knowledge. In the further, the wide must have to research varity food contanitation and food posioning many diffence type.

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Antioxidant Effect of Ether and Ethylacetate Fractions of Pueraria thunbergiana Extract on Perilla Oil (들기름에 대한 칡추출물 분획의 항산화 효과)

  • 한명주;임혜영
    • Korean journal of food and cookery science
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    • v.15 no.2
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    • pp.114-120
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    • 1999
  • The objective of this study was to determine antioxidant effect of ether and ethylacetate fractions of 70% ethanol extract of some food (acid treated or not) on perilla oil. Each fraction of food extract was added to perilla oil and stored for 0,3,6.9,11 days at 60$^{\circ}C$. Then, the peroxide value (POV) of perilla oil samples were analyzed. Perilla oil contained ${\gamma}$-tocopherol 0.6800 $\mu\textrm{g}$/mg, ${\alpha}$-tocopherol 0.3189 $\mu\textrm{g}$/mg. $\delta$-tocopherol 0.0463 $\mu\textrm{g}$/mg, but it was easily oxidized due to high linolenic acid content. To increase yield of ether and ethylacetate fractions from each food extract, the 70% ethanol extract was treated with 0.2% H$_2$SO$_4$ and fractionized by ether and ethylacetate. Among ether and ethylacetate fractions of 70% ethanol extracts of some food, the yield of ethylacetate fraction of acid treated Pueraria thunbergiana extract was 5 times more than that of ethylacetate fraction untreated with acid. Perilla oil which added 100 ppm ethylacetate fraction of acid treated Pueraria thunbergianan extract showed low POV (44.8 meq/kg) compared to POV (80.0 meq/kg) of control.

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Effect of Food Neophobia on Restaurant Image, Customer Satisfaction, and Loyalty in Ethnic Restaurant (에스닉 레스토랑 이용객의 푸드네오포비아 성향이 레스토랑 이미지 및 고객 만족과 충성도에 미치는 영향)

  • Kim, Young-Shin;Baek, Seung-Hee
    • The Korean Journal of Food And Nutrition
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    • v.28 no.6
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    • pp.1082-1089
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    • 2015
  • The aim of this study was to investigate the effect of food neophobia on restaurant image, customer satisfaction, and loyalty in ethnic restaurants. A self-administered survey for data collection 581 customers who visited an ethnic restaurant in August, 2015. Statistical analyses included descriptive analysis, t-test, ANOVA and regression analysis for SPSS 21.0. The finding of the study indicated that the differences of food neophobia score in demographic characteristics showed significant differences by age, occupation, dining-out frequency, and source of dining-out information, not by gender. The mean value of food neophilic group was significantly higher than food neophobic group in all items of restaurant image, overall satisfaction and customer loyalty. The regression analysis showed that tangible aspect, price aspect, and food aspect of restaurant image had positive effects on overall satisfaction and customer loyalty however employee service showed different result by groups. The finding of the study offer marketing strategies for ethnic restaurants to induce customer revisit.