The objective of this study was to investigate the sensory and quality characteristics of Solsulgi containing different ratios of ingredients such as pine leaves power(1, 2, and 3%), sugar, and water. The results of sensory evaluation showed that Solsulgi containing 1% pine leaves powder had the higher scores in overall acceptability, color and flavor preference. In the textural analysis of Solsulgi, the springiness, chewiness, gumminess, and hardness were decreased by adding pine leaves powder. The hunter's color L value of Solsulgi was decreased by the increase of pine leaves powder. The more pine leaves powder was added, the redness and yellowness of Solsulgi were increased. The moisture content of Solsulgi was higher in the samples with 3% pine leaves powder than those with 1 %.
To prolong the shelf-life of chicken breast meat, samples were treated with gel packs containing slow-released chlorine dioxide ($ClO_2$) gas at 7~15 ppm for eight days at $4^{\circ}C$. The microbial, physicochemical properties and sensory evaluation of the treated samples were investigated. The total number of bacteria in the control increased during storage and showed 6.78 log CFU/g on the 8th day of storage, but $ClO_2$ gas treatments showed 6.24~6.58 log CFU/g at the same time. The initial pH of chicken breast meat was 6.00 and gradually increased during storage. And $ClO_2$ gas treatments did not show any significant difference from the control during storage period, but maintained a generally lower pH than that of the control. The lightness, redness, and yellowness during storage were not significantly different between the control and the 7~10 ppm $ClO_2$ gas treatments. However, as the storage period was increased, the redness of 15 ppm $ClO_2$ gas treatment was reduced. The cooking loss and shear force were not different between the control and $ClO_2$ gas treatments during the storage period. Volatile basic nitrogen (VBN) increased in the control from the 6th day of storage and 23.80 mg% in the 8th day of storage. However, VBN of $ClO_2$ treatments showed lower than that of the control. In the change of sensory evaluation during storage, 10 ppm $ClO_2$ treatment showed the highest preference in odor, appearance and overall acceptance during storage period.
This survey was conducted to assess dining-out behaviors and menu preferences of university students in the Seoul area. The results were as follows: 1. 65.2% ate out rarely for breakfast and 73.1% ate out frequently for lunch, whereas 20.9% occasionally ate out for lunch. The frequency of dining out for breakfast was influenced by age, gender, and major but the frequency of dining out for lunch was significantly correlated with age(P < 0.01). 79.2% of females dined out frequently, but 62.3% of males reported doing so(P < 0.001). 65.2% ate out frequently for dinner and 31.6% did so occasionally. 34.2% dined out frequently for snacks, and 53.5% did so occasionally. 2. Factors to consider in dining out were as follows: taste > preference > price > persuasion > nutrition. The motivations for dining out were as follows: convenience > favorite food > difficult to prepare lunch box > difficult to carry lunch box > habit. This factor was correlated significantly with age(P < 0.05) and residence type(P < 0.001). Problems with dining out were listed as follows: unbalanced nutrition > price > sanitation > variety of menu > taste. This factor was correlated significantly with age(P < 0.05), alcoholic beverage use(P < 0.01) and smoking(P < 0.01). 3. Foods selected for meals when dining out were as follows: Korean style > Western > Japanese > noodles > Chinese. The expense(in won) of dining out for lunch was as follows: 3,000${\sim}$5,000 > 2,000${\sim}$3,000 > over 5,000 > under 2000. Problems to be corrected in Korean-style food were as follows: variety of menu > price > using personal dish. 4. Korean foods preferred in each cooking style when dining out were as follows: beef rib > kimchi-jjigae > bulgogi > doenjang-jjigae > bibimbab. Chinese foods selected were as follows: tangsuyuk > jajang myeon > jjambbong > gganpunggi > bokeumbab. Preferred Western foods were as follows: spaghetti > steak > pork cutlet > pizza > ribs > chicken. Preferred Japanese foods in meals when dining out were as follows: sushi > hoe > udong > pork cutlet > soba. Preferred noodle foods selected when dining out were as follows: ddukboki > ramyeon > mandu > guksu > sundae > gimbab >. Preferred baked foods for dining out were as follows: cake > pizza > loaf bread > baguette > sandwich > hamburger > doughnut > cream bread.
Pork patties were made containing hot air dried sweet persimmon powder (T1: 3%, T2: 6%) and freezer dried sweet persimmon powder (T3: 3%, T4: 6%). The control (C: no addition) and each treatment were stored for 40 days at $-18^{\circ}C$. The pH value decreased (p<0.05) in all products over 30 days of storage but slightly increased thereafter. There was no significant difference in WHC between the control and treatment groups. Cooking loss and meat color (CIE L, a, b) increased significantly (p<0.05) as storage increased. The cooking loss of meat patties containing sweet persimmon powder were significantly (p<0.05) higher than the control. The L value of the control increased significantly (p<0.05) relative to the treatment groups, however the a and b values were slightly higher in meat patties containing sweet persimmon powder. In all products, the reduction ratio of diameter increased (p<0.05) with storage time. With regard to microorganisms, all samples were in good condition, containing below 4.20 log CFU/g based on total plate counts through 40 days, though total plate counts and coliform plate counts of the control were lower (p<0.05) than T3 and T4. The VBN values of T4 was significantly higher than those of other products at 15, 30, and 40 days of storage. The TBARS values of meat patties containing sweet persimmon powder were significantly (p<0.05) higher than those of the conlIol. Sensory panels determined that meat patties containing sweet persimmon powder had a higher (p>0.05) preference score for overall acceptability.
The purpose of this study was to present the plan for activation and rationalization of production of ladies' jacket and provide basic materials for improvement of the development of technologies in relation to the productivity improvement of ladies' jacket and the achievement of high quality product. For this purpose, this study attempted to investigate the present situation of jacket manufacturing process. The data is related with local ladies' jacket manufacturing companies in Seoul snd Kyonggi area. The results of this study are as follows. 1. 87.8% of the business firms responded that they acquired the productive process of jacket based on their own knowhow and 80.5% was aware of the need for the analysis of each process. The highest proportion of the business firms(65.9%) pointed out that the advantage of process analysis was the alleviation of the production time. 2. The jacket manufacturing process was made up of 4 stages such as the process of frontal/rear plate $\rightarrow$ the process of accessories $\rightarrow$ the process of completion $\rightarrow$ the process of finishing in a broad sense but composed of a total of 19 stages in detail. 3. Attachment of the sleeves(73.2), attachment of the collar(41.5%) and the formation of the overall silhouette(22.0%) were raised as the challenge in manufacturing ladies' jacket. 4. Most of the sewing business firms made use of the method of completing the collar and then stitching the outer material and the inner collar, and the line of the bodice and the outer collar as the method of stitching the tailored collar. and many of them used the method of completing the collar and then inserting it between the line of the bodice and the outer material and stitching it as the method of stitching the stand collar. They had a preference for the method of completing the sleeve and connecting it to the bodice as the method of stitching the sleeve. and used the method of treating the margin to seam of semi-lined and unlined jacket by treating it with the bias tape.
The purposes of this study are; first, to supply useful suggestions for the market segmentation of the Chinese market according to individual psychological variables(self-congruence) of customers. Second, it figures out the relative importance of actual self-congruence and ideal self-congruence. Lastly, it reveals whether there are any differences in the preference of attributes according to the popular cultural involvement. According to the results, actual self-congruence had a positive influence on the contents factor evaluation while ideal self-congruence had positive effect on the human and cultural factors evaluation. Also, the human and cultural factor had a positive influence on the purchase intention, as well as content factor and cultural factor had the influence on the word-of-mouth. In addition, the group of highly interested in the involvement at the popular culture was significantly higher in the evaluation on the human and contents factor than the low group.
Concentrated liquid detergents have 2~3 times higher surfactant contents [35~45% (w/w)] compared to those of normal type detergents. In general, a single surfactant forms a lyotropic liquid crystal (LC) phase when the concentration is in the region of 30~60% (w/w). Whereas the concentrated liquid detergent at about 40% (w/w) concentration in a mixed surfactant system shows an opaque appearance of gel or LC. In order to meet consumer needs and preference for product appearance, we applied hydrotropes and various surfactants systems in concentrated liquid detergents to obtain an opaque gel-phase and also a clear transparent phase at even below zero $^{\circ}C$ temperature. The more effective hydrotropes for making concentrated liquid detergents are 1,6-hexanediol, adipic acid and dipropylene glycol (DPG) which have two hydrophilic groups in both terminated positions. In order to prepare an excellent concentrated liquid detergent, good hydrotropes alongside secondary type surfactants like LAS and SAS were used. The formation of LC phase of concentrated liquid detergents at about 40% (w/w) concentration could be prevented by the use of both hydrotropes and secondary type surfactants. The result indicate that concentrated detergents having excellent low temperature stability and controlled viscosity can be prepared.
Red wines were prepared with Campbell Early harvested at Youngdong, Chungbuk Province in 1999 of which average sugar content and total acidity(tartaric acid %) were $12^{\circ}Brix$ and 0.7%, respectively. In order to investigate the effect of addition of various sugars on the quality of red wine, sucrose, xylitol, glucose, corn syrup, high fructose corn syrup(HFCS) and isomaltooligosaccharide(IMO) were added to musts to have $21^{\circ}Brix$ of sugar content. Fermentation of red wine in which glucose was added was faster than any other sugars with the final ethanol content of 12%(v/v). Wines to which sucrose and HFCS were added showed similar fermentation rates to glucose added one but alcohol contents were 10.3%(v/v) and 11.2%(v/v), respectively. Alcohol contents of wines made with xylitol, corn syrup and IMO was relatively low to about 7% (v/v) after fermentation. The pH values of wines were almost unchanged in all treatments during fermentation and the total acidities of wines were decreased from 0.7% to lower than 0.3%. The colors of wines were changed to redder and darker during fermentation. In sensory evaluation xylitol added wine showed the best preference and kept xylitol unfermented in it.
Journal of Korea Society of Industrial Information Systems
/
v.16
no.2
/
pp.111-124
/
2011
The apartment' share of the housing has steadily increased and property assets have been valued in importance as the one of asset value. Information retrieval system using internet is particularly active in the real estate market. However, user satisfaction on real estate information system is not very high, and there is a lack of research on real estate retrieval to increasing efficiency until now. This study presents a new knowledge information system developed to consider region-related factor and individual-related factor in the real estate market. In addition it enables a real estate knowledge system to search various preferential requirements for buyers such as school district, living convenience, easy maintenance as well as price. We made a survey of the search condition preference of experts on 30 real estate agents and then analyzed the result using AHP methodology. Furthermore, this research is to build apartment ontology using semantic web technologies to standardize various terminologies of apartment information and to show how it can be used to help buyers find apartments of the interest. After designing architecture of a real estate knowledge information system, this system is applied to the Busan real estate market to estimate the solutions of retrieval through Multi-Attribute Decision Making(MADM). Based on the results of the analysis, we endowed the buyer and expert's selected factors with weights in the system. Evaluation results indicate that this new system is to raise not only the value satisfaction of user, but also make it possible to effectively search and analyze the real estate through entropy analysis of MADM. This new system is to raise not only the value satisfaction of buyer's real estate, but also make it possible to effectively search and analyze the related real estate, consequently saving the searching cost of the buyers.
As a work on the investigation of the processing aptitude of the Korean soybean cultivars, the soybean curd was made from 19 Korean soybean cultivars on a laboratory scale. The yield, proximate composition and rheological and organoleptic property of the resultant soygean curd were analyzed. The yields of soybean curd were ranged from 262.33% to 311.63%, being positively correlated with the soluble protein contents of the recommended soybean cultivars (r=0.9621). The recovery rate of protein in Baekun and Yeunha to the soybean curd was 72.94%, 70.62%, respectively. More than 80% of lipid in soybeans of Yeunha, Dankyung, Danyeob was transferred to the soybean curd. Lightness of the soybean curd made from Baekun, Kwanggyo, Saeal, Hill was higher than that of the others. The mechanical hardness of the soybean curd was strongly correlated with the final moisture content of the soybean curd (r =-0.8312), but not with the protein content of the soybean (r=0.1848). In the organoleptic test for color, texture, flavor and overall preference of the resultant soybean curd, the quality of Dankyung, Namcheon, S-138, Baekun was evaluated highly.
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