• Journal of the Korean Society of Food Science and Nutrition
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• v.35 no.5
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• pp.600-605
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• 2006

B. subtilis JM3 pretense from naturally fermented anchovy sauce was purified in $40{\sim}60%$ ammonium sulfate fraction. In order to accelerate the fermentation of anchovy sauce,2% and 4% of crude B. subtilis JM3 protease were added to 6 month-fermented anchovy sauces, respectively and then the various quality characteristics such as pH, lactic acid, amino-nitrogen, VBN, browning and hydrolysis degree, VBN, and sensory evaluation were analyzed at different storage times. pH was constant during storage time in all samples, whereas lactic acid contents of anchovy sauces hydrolyzed by 2% and 4% proteases were higher than that of control. The amino-nitrogen and volatile basic nitrogen contents of anchovy sauce with 2% and 4% proteases were twice higher than those of control. Anchovy sauces with 2% and 4% pretense increased the hydrolysis rate by 27% and 32%, respectively. Browning degree of anchovy sauce with 4% was higher than those of 2% and control. Anchovy sauce with 2% and 4% proteases was good in sensory evaluation of color, aroma, and taste attributes.

• Journal of the Korean Society of Food Science and Nutrition
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• v.44 no.7
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• pp.1100-1103
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• 2015

The feasibility of incorporating cranberry concentrate (CC) as a value-added food ingredient in convenient food products was investigated using a model system of gelatin jelly. The pH, hardness, and lightness decreased while soluble solids content and redness increased significantly with increasing levels of CC added (P<0.05). In addition, 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) radical scavenging activities increased significantly (P<0.05), and they were well correlated. Consumer acceptance test indicated that addition of CC to 6% had a favorable effect on consumer preferences for most attributes. Based on overall observations, jelly with 6% CC is recommended for taking advantage of functional properties of CC without sacrificing consumer acceptability.

• Journal of Korean Society of Forest Science
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• v.104 no.4
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• pp.668-676
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• 2015

The objective of this paper is to elicit some policy implications to promote agroforestry in South Korea from the consumers' perspective. We conducted internet survey to 640 urban households about the recognition of forest farming products. Consumers purchased forest farming products for their nutrition, medical function, and safety and regarded them as higher quality than crops cultivated from agricultural land. Consumers preferred forest farming products but revealed no difference in recognition of naturally-grown products. Consumers buying forest products prioritize the quality and medical function among attributes. Among consumers as their income increases, they regard naturally grown products more important than price and freshness. Therefore, to promote agroforestry in South Korea, certification for naturally-grown products to win the consumers' trust and the $6^{th}$ industrialization by combining experience and green tourism program must be considered.

• Journal of Ginseng Research
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• v.34 no.1
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• pp.1-7
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• 2010

The quality attributes of coffee treated with different concentrations of white ginseng extract were examined. Increased concentration of white ginseng extract was associated with higher color values (Hunter L. a, b scale). The crude saponin contents of untreated roasted coffee beans (control) and those coated with $5^{\circ}$ Brix (WGC-1) and $20^{\circ}$ Brix white ginseng extract (WGC-2) were 8.29%, 8.74%, and 8.93%, respectively. The total ginsenoside contents of WGC-1 and WGC-2 were 0.3 mg/g and 0.6 mg/g, respectively. In the case of major ginsenosides, the contents of ginsenosides $Rg_1,\;Rg_2,\;Rb_1,\;Rb_2,\;Rg_2,\;Rh_1$, and $Rg_3$ increased directly with the concentration of white ginseng extract. Total sugar and acidic polysaccharide contents also increased directly with the concentration of white ginseng extract. The coffee beans coated with ginseng extract scored significantly higher ginseng taste scores than the control (p<0.005) in sensory evaluation. In terms of coffee taste, WGC-2 had significantly lower scores than the commercial coffee bean. In the consumer sensory evaluation, overall preference did not differ significantly among the treatments.

• Korean journal of food and cookery science
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• v.31 no.5
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• pp.676-685
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• 2015

This study tried to develop Siraegi by boiling it down in soy seasoning sauce with excellent sensory attributes and evaluate the quality characteristics in order to enhance the value of traditional agricultural products, dried radish leaves. Sugar content of the seasoning sauce were finally established at 30% (w/v) compared with the starch syrup, which was added to the sauce through sensory evaluation among four groups, 0%, 30%, 60% and 100%. The texture (breaking strength) of Siraegi which was boiled for 30 minutes in water with baking powder was reduced by showing softening effect ranging from 7.6% to 42.1% as the amount of added baking powder was increased. The color of braised Siraegi produced with prepared a seasoning sauce and different content of baking powder, the brightness significantly decreased with an increase of baking powder. The reduction effects of breaking strength ranged from 25.6% to 43.9%, resulting a significant difference. The pH of braised Siraegi with a seasoning sauce significantly increased from 5.71 to 6.04 as the amount of added baking powder was increased, while its acidity was decreased. Sensory evaluation showed significant values for hardness and toughness as the values dropped when compared with the control (p<0.001), and overall acceptability of the group with adding 0.2% baking powder was best (p<0.001). In conclusion, baking powder could be considered as softening agent shorting the cooking time and improvement of the acceptability. Furthermore, it was expected that the newly developed soy sauce barised Siraegi using the dried radish leaves would be successfully utilized by side dishes in the food preparation industry.

• Korean Journal of Food Science and Technology
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• v.16 no.2
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• pp.159-164
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• 1984

The effects of some hydrocolloids such as carboxymethylcellulose, xanthan gum, gum arabic, and sodium alginate, on quality attributes of rice cake (packsulki) were investigated. Fresh(F) and refrigerated(R) packsulkis were evaluated by sensory evaluation and with Instron Testing Mashine. The results of sensory evaluation indicated the differences among packsulkis with and without additive. Hardness of packsulkis increased markedly when refrigerated. Differences among R groups were much smaller compared to those among F groups. Textural characteristics measured by Instron also revealed the differences among the groups. They showed similar tendancy to those of sensory evaluation.

• Korean Journal of Community Nutrition
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• v.23 no.3
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• pp.243-256
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• 2018

Objectives: We evaluated the extent to which implementation of student participation programs in serving school meals impacts student perception and satisfaction with school foodservice in middle and high school settings. Methods: Students' perception of management and satisfaction with quality attributes of school foodservice were assessed by questionnaire methods and compared by the program implementation status of student participation in serving school meals. Correlation and multiple regression analyses were performed to identify factors affecting perception and satisfaction. Results: The overall mean score for perception regarding the management of school foodservice was low (3.53 out of 10 points) and middle school students showed a higher mean score than high school students (4.10 vs. 2.94 points). In both middle and high schools, student perception was significantly higher in schools implementing the program. The average score for student satisfaction with the quality of school foodservice was 3.50 out of 5 points. Similarly, we observed a significantly higher satisfaction among middle versus high school students (3.93 vs. 3.04 points) and in schools implementing the program versus those that were not. Overall, student participation in serving school meals resulted in increases in satisfaction with school foodservice of 0.269 and 0.466 points among middle and high school students, respectively. Conclusions: Implementation of student participation in serving school meals could be used as a strategy to improve perception and satisfaction of students with their school foodservice. Establishment of guidelines of student serving participation programs encompassing different perspectives from students, dietitians and school faculties are warranted.

• Food Engineering Progress
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• v.14 no.1
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• pp.27-34
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• 2010

Multilayer edible coatings was applied to lemon with beeswax-hydroxypropyl methylcellulose (BW-HPMC), soybean oil-carboxymethyl cellulose (SBO-CMC), and carnaubawax-shellac-locust bean gum (CW-SL-LBG), respectively. The multilayer was composed of two layers of the same material, but the outer layer only contained vitamins C and E as antioxidants. Coating amounts built on lemon peel were measured to be large in the order of CW-SLLBG> BW-HPMC> SBO-CMC. The coated lemons were stored at 30${^{\circ}C}$ for 12 days. CW-SL-LBG showed the least change during the storage in weight loss, rotten rate, firmness, and browning. Whereas SBO-CMC had the least change in pH, soluble solid amount, and titratable acidity. In a sensory test, CW-SL-LBG was evaluated to be the best in the attributes such as spoilage, glossiness, color, firmness, and flavor. Overall CW-SL-LBG was judged to be the best for multilayerd coating with vitamin C and E on lemon.

• Journal of the Korean Dietetic Association
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• v.25 no.4
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• pp.257-268
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• 2019

This study provides basic data on how stress impacts the processed convenience foods purchase attitudes and the selection attributes of housewives. The stress consists of 3 factors, which were housework stress, family relation stress and economic stress. The processed convenience food purchase attitude consisted of 2 factors, which were peripheral influence purchase and conviction purchase. The processed convenience food selection attribute consisted of 4 factors, which were quality, convenience, packaging and price. Factor loading confirmation and reliability test were conducted, and the reliability was confirmed with Cronbach's alpha coefficients for all the factors exceeding 0.5. The high stress levels showed significantly high stress factors of housework, family relations and economic stress (P<0.001). The high stress group was shown to make purchases by recognizing peripheral influences (P<0.01). When the selection properties of processed convenience foods depending on different stress levels were examined, it was revealed that among the three groups, the low stress group least considered the price aspect (P<0.01). After deducting the factors, AMOS (Analysis of Moment Structure) was used to conduct the confirmatory factor analysis for verifying validity. The structural equation model was used to determine the path coefficient. From the processed convenience foods purchase attitude, the peripheral influence purchase had significantly positive (+) effects on convenience (P<0.05). Also, conviction purchase was shown to have significantly positive (+) effects on quality (P<0.05). Housework and family relation stress were shown to have negative (-) effects on processed convenience foods selection attribute, and economic stress was shown to have positive (+) effects, although no significant relationships were revealed.

• Food Engineering Progress
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• v.14 no.3
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• pp.256-262
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• 2010

Saururus chinensis powder was added into cookie dough at 5 levels (0%, 1.5%, 3%, 4.5%, and 6%) by partially replacing equivalent amount of wheat flour in cookie formulation, and cookies thus made were evaluated for physicochemical properties and sensory quality by a small semi-trained panel. Thickness and density of cookies increased significantly with increase in Saururus chinensis powder content (p<0.05); however, those of dough were not affected (p<0.05). The pH of both dough and cookies decreased significantly as the level of Saururus chinensis powder increased (p<0.05). Lightness and yellowness decreased significantly as the Saururus chinensis powder content increased while redness increased significantly (p<0.05). Spread factor decreased with the powder addition (p<0.05). Sensory evaluation indicated that samples with higher amount of the powder received higher scores in terms of taste, flavor, and color but not for hardness (p<0.05). Finally, correlation analysis showed that level of Saururus chinensis powder incorporation was well-correlated with most of the physicochemical properties and sensory attributes studied.