Journal of the Korean Society of Food Science and Nutrition
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v.37
no.1
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pp.109-116
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2008
In this study, the breads with medicinal herbs (MH) composites showing immunostimulating activity were prepared and their characteristics were examined. Fourteen kinds of medicinal herbs were extracted with hot water and divided into 3 groups (MH-1, MH-2, MH-3) based on their contents. All groups showed immunostimulating activity in terms of macrophage phagocytosis, nitrite production, cytostatic activity and cytokine production. In the preparation of breads containing MH extracts of various contents (0, 30, 50, 70, and 100%), there was no significant difference among dough pHs of all groups after first fermentation, but loaf volume was significantly (p<0.05) increased in 70% added group while decreased in 30%, 50%, and 100% added groups compared to the control. The "a" and "b" values of bread crumb increased with the content of MH extracts while "L" value decreased, but these values of bread crust were similar to the control group. Most improvements in hardness, adhesiveness, gumminess and chewiness of bread were noticed by the addition of 70% MH extracts, but those of springiness, cohesiveness and resilience were mostly by the 50% addition ones. Through the sensory evaluation, it was revealed that mouth feeling, taste and overall preference decreased at breads containing 70% and 100% extracts, although appearance and crumb texture were not significantly (p<0.05) different among all groups.
This study was carried out to develop a kiwi dressing which was lower in calories and a more beautiful color by using Kiwi rather than mayonnaise. This study was aimed to standardize a recipe for Kiwi dressing using sensory characteristics as well as to examine the changes of pH and chromaticity by the storage period. Results of this study were as follows: from the results of sensory evaluation on kiwi dressing using different kinds of oil, the pure olive oil showed the higher scores than the corn oil in the taste, fresh-sour taste and overall palatability. Sensory evaluation scores of kiwi dressings with various amounts of oil were not significantly different, which suggested that use of kiwi for a dressing was a good way to develop a low calorie dressing because the addition of 32% (360g) oil in kiwi dressing could replace the 75% oil used in mayonnaise without my significant differences in the overall palatability. From the result of sensory evaluation on kiwi dressing with different kinds of acid, lemon juice showed the higher scores than apple vinegar in flavor. The kiwi dressing showed the highest scores in the overall palatability and fresh-sour taste when 12% (60g) onion juice was added and in as well as flavor, taste and the overall palatability at 10 days of storage. The pH values of kiwi dressing Increased significantly in proportion to the storage period (p<0.001), and showed the highest pH value of 2.99 at 17 days of storage. Lightness in color showed the lowest value at 3 days of storage and the greenness of kiwi dressing increased gradually, but the yellowness decreased significantly in proportion to the storage period(p<0.001).
The chromaticity, mechanical, and sensory properties of madeleine were investigated during its manufacturing process based on additions of black bean chungkukjang flour containing functional health ingredients and a high nutritient value. 1. The moisture content decreased with increasing content of the chungkukjang flour$(16.1{\sim}13.7%)$. 2. The brightness of the Madeleine decreased significantly from 75.24 to 53.61 by increasing the content of the black bean chungkukjang flour. The degree of red color increased significantly from -0.31 to 4.93 by increasing the content of the black bean chung kukjang flour. 3. For the mechanical properties, the hardness increased significantly with increasing amounts of the black bean chungkukjang flour (p<0.05). The degree of fracturability, adhesiveness, and gumminess also increased with the increasing the content, but the fracturability showed no difference by either addition. The springiness and cohesiveness decreased significantly by increasing the content of the black bean chungkukjang flour, showing an opposite result compared to the hardness. 4. The results of the sensory evaluation indicated significant differences in color among the samples(p<0.05). The color of the madeleine samples with added black bean chungkukjang flour was more preferred than that of the sample without any additive. The degree of preference increased in the order of the quantity of the additive. The moistness and softness became significantly drier and less soft, respectively, with an increasing quantity of the black bean chungkukjang flour (p<0.05). For the overall acceptance, the BC10 sample added with 10% of black bean chungkukjang flour added had the highest acceptance. This may be because it did not have a strong chungkukjang odor and had the fewest differences from the control Madeleine without the additive, in terms of its moistness and softness. Based upon these results, adding10 % of black bean chungkukjang flour in the manufacture of Madeleine is an appropriate quantity with regard to its structural and sensory characteristics.
Journal of the Korean Society of Food Science and Nutrition
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v.34
no.7
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pp.1082-1090
/
2005
Jocheong was prepared by adding Lentinus edodes extract to improve its quality and to give some functional properties. Contents of crude protein, ash and crude lipid were similar to those of control, while carbohydrate content was decreased. Total mineral content were $1,916.03\~2,674.24mg/kg$ that was no difference between test samples. From HPLC determination of free sugars, Jocheong was found to contain maltose as the highest sugar, followed by glucose and fructose. In amino acid analysis, seventeen amino acid were identified and quantified. Glutamic acid in Jocheong was major amino acid. The major fatty acids in Jocheong $(0\%,\;control)$ were linoleic acid, palmitic acid, oleic acid, myristic acid and caproic acid. There was no significant differences in fatty acid composition, pH and reducing sugar content among the Jocheong samples. The viscosity and solid contents tended to decrease with the addition of Lentinus edodes extract. Increasing the ratio of mushroom extract in Jocheong tended to decrease the lightness, yellowness and redness in Hunter's color value. Although sensory value decreased with increasing Lentinus edodes extracts, use of mushroom extracts (7: 3; saccharification liquids: Lentinus edodes extracts) is recommended for making Jocheong.
Journal of Korean Home Economics Education Association
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v.31
no.4
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pp.41-62
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2019
The purpose of this study was to examine how the contents and pedagogical styles of Food and Nutrition in the middle school home economics textbooks could promote constructivist learning. For this, Food and Nutrition contents of 12 current textbooks were analyzed, based upon the learning factors derived from both a practical problem-focused curriculum from the constructivist perspective, and the current home economics curriculum from the objectivist perspective. Pedagogical styles of the texts and exercises were classified into four types- neutral informative, injunctive, persuasive, and participative, out of which 'persuasive' and 'participative', in particular reflect the constructivist perspective. The major findings were as follows: First, the analysis results of Food and Nutrition contents showed that of 14 learning factors, 13 of the textbooks corresponded well to the current curriculum(92.9%). On the other hand, Out of the 26 learning factors, 18 of the textbooks corresponded to the practical problem-focused curriculum(72.4%). Classified into each stage of the practical problem solving processes, only learning factors related with 'the concepts of the valued ends' were fully covered. However, the other learning factors related with the concepts of 'the practical problem', 'the context', 'the action' and 'the consequence', that is the factors particularly related with 'the concepts of the context', were not properly addressed. Besides, learning factors were not addressed from diverse viewpoints, especially from the social perspective. Second, the analysis of pedagogical style related to Food and Nutrition illustrated that the neutral informative(59.9%) in texts, and the participative in exercises(60.4%), were most common. However, persuasive and participative were insufficient in texts(22.1%). Furthermore even though the exercises, are more likely to be described from the constructivist perspective, nearly none of the exercises was considered from the social perspective. In conclusion, this study showed that Food and Nutrition in Korean home economics textbooks need to reflect constructivist learning better.
Sim, Mi-Ok;Lee, Hyun Joo;Jang, Ji Hun;Lee, Hyo Eun;Jung, Ho-Kyung;Kim, Tae-Muk;No, Jong hyun;Jung, Jakyun;Jung, Da Eun;Cho, Hyun-Woo
Korean Journal of Plant Resources
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v.30
no.4
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pp.335-342
/
2017
Spiraea prunifolia Sieb. et Zucc. var. simpliciflora Nakai (SSN) has been used for the anti-inflammation in traditional folk medicine. To compare water and methanol extracts of SSN, we analyzed major components using LC IT TOF MS. The major components of hot water extract were identified as caffeic acid and p-coumaric acid, but methanol extract was not well established. However, methanol extract was detected with less polarity compounds compared to hot water extract. Next, we investigated the inhibitory effects of SSN water extract on the lipopolysaccharide (LPS)-induced inflammatory response or $H_2O_2-induced$ oxidative stress in Raw 264.7 macrophage cells. SSN strongly suppressed the production of nitric oxide in LPS-induced inflammatory response without cytotoxcity. The SSN possessed free radical scavenging activities such as DPPH ($IC_{50}=320.2{\mu}g/m{\ell}$), ABTS ($IC_{50}=124.0{\mu}g/m{\ell}$), and superoxide anion radical ($IC_{50}=122.6{\mu}g/m{\ell}$). The total phenol and flavonoid content of SSN was 56.7 mg/g, and 15.1 mg/g, respectively. Furthermore, SSN decreased the $H_2O_2-induced$ cytotoxicity by enhancing the cell viability, and SSN significantly reduced the intracellular reactive oxygen species (ROS) level. Therefore, SSN may be recommended as an effective strategy to prevent and/or treat various inflammation and ROS-induced diseases.
Kim, Jong-Pil;Yang, Yong-Shik;Kim, Jin-Hee;Lee, Hyang-Hee;Kim, Eun-Sun;Moon, Yong-Woon;Kim, Jin-Young;Chung, Jae-Keun
Korean Journal of Food Science and Technology
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v.44
no.4
/
pp.441-446
/
2012
We investigated the chemical properties and antioxidant activities of sword bean (SWB) and compared it to soybean (SB) and black soybean (seoritae, BSB). The value of vitamin C, vitamin A, crude fat, and crude protein in SWB was 25.5, 0.37 mg/kg, 1.2, and 25.6%, respectively. The crude fat content (1.2%) in SWB was very low in comparison with those of SB (16.5%) and BSB (16.1%). In 16 free amino acids investigated, the histidine content (9.2%) was high in SWB, followed by SB (3.0%) and BSB (2.9%). Total flavonoid content of SWB (493.2 mg/100 g) was significantly higher than those of SB (71.8 mg/100 g) and BSB (97.5 mg/100 g). Total polyphenol content of SWB (1,152.0 mg/100 g) was not significantly different from that of SB (1,165.7 mg/100 g) but lower than that of BSB (1,298.6 mg/100 g). DPPH radical scavenging activity ($SC_{50}$, 50% scavenging concentration) of SWB was 13.1 ${\mu}g/mL$, whereas that of positive control (${\alpha}$-tocopherol) was 8.3 ${\mu}g/mL$.
Ahmed, Gias Uddin;Dhar, Mili;Absar Khan, Mohammed Nurul;Choi, Jae-Suk
Journal of Life Science
/
v.17
no.10
/
pp.1309-1314
/
2007
Investigation on health conditions of Thai koi (Anabas testudineus) were carried out through clinical and histopathological observations from different farms of Mymensingh district for seven months during August 2006 to February 2007. Fish sampling and water quality parameters (temperature, dissolved oxygen and pH) were monitored on a monthly basis. Clinical examination of fishes was also carried out for any kind of abnormalities at monthly intervals. Samples of skin, muscle, gill, liver and kidney were observed by histological technique. Among the water quality parameters the values of water temperature, dissolved oxygen were found to be at unfavorable level for fish during the colder months in the farms. Clinically it was observed that fishes were more affected from December to January and almost normal in appearance during August to September and February. Different clinical symptoms like scale loss, dermal lesion, ulcer and loss of caudal fin were noticed in December and January. In histopathological study, structures of fish organs were normal from August to September. In the months of October and November, minor pathologies were found to be started. Marked pathological changes like necrosis, pyknosis, inflammation, hemorrhage, hypertrophy, hyperplasia, missing of primary and secondary gill lamellae were observed in the months of December and January. Whereas, in the month of February the pathological condition of fish gradually reduced. Again when considered individual fish farm, fishes of Reliance Aqua Farm were more affected than Sotota Matshya Hatchery. The study showed that severity of clinical and pathological changes were increased in December and January. During the period EUS and protozoan diseases were noticed in A. testudineus of the investigated farms.
Gantumar, Ganchimeg;Jo, Man Hyun;Igori, Davaajargal;Ham, In Ki;Lee, Eun Mo;Lee, Wang-Hee;Lim, Yongpyo;An, Gilhwan;Park, Jong-Tae
Journal of the Korean Society of Food Science and Nutrition
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v.42
no.9
/
pp.1412-1418
/
2013
The nutritional components of 14 new cultivars of pak choi (Brassica rapa L. ssp. chinensis) from China were analyzed and compared with 4 cultivars of Chinese cabbage (Brassica rapa L. ssp. pekinensis) popular in Korea. Leaves were separated into green parts (GP) and white parts (WP) for the analyses. The moisture and ash content in the 14 new cultivars of pak choi were not significantly different from the currently popular cultivars of Chinese cabbage. In addition, the levels of vitamin C and E were very similar between the two kinds of Brassica rapa. In contrast, the overall mineral content was higher in the new pak choi cultivars. Specifically, minerals important for human health, calcium and magnesium, were significantly greater in pak choi cultivars (calcium GP 2.57, WP 2.04; magnesium GP 0.422, WP 0.301 mg/g fresh weight) compared to currently popular cultivars (calcium GP 0.805, WP 0.477; magnesium GP 0.244, WP 0.101 mg/g fresh weight). Although the content of reducing sugars was similar, cellulose content (which correlates with the hardness of plant tissue) was four times higher in the new pak choi cultivars compared to currently popular cultivars. These results demonstrate that the new pak choi cultivars have superb nutritional benefits for human health and could be a good food source as a daily staple vegetable.
Journal of the Korean Institute of Landscape Architecture
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v.43
no.2
/
pp.1-12
/
2015
This study explores urban gardening and garden culture in residential area as an everydayness that has been overlooked during the modern period urbanization and investigates the meaning and value of urban gardening from the perspective of urban formations and growth in spontaneous urban residential area, Haebangchon. The result identified that urban gardening as a meaning of contemporary culture is a new clue to improving the urban physical environment and changing the lives and community network of residents. Haebangchon is one of the few remaining spontaneous habitations in Seoul, and was created as a temporary unlicensed shantytown in 1940s. It became the representative habitation for common people in downtown Seoul through the revitalization of the 60s and the local reform through self-sustaining redevelopment projects during the 70s through the 90s. This area still contains the image of times during the 50s to the 60s, the 70s to the 80s and present, with the percentage of long-term stay residents high. Within this context, the site is divided into third quarters, and the research undertaken by observation and investigation to determine characteristics of urban gardening as an everydayness. It can be said that urban gardening and garden culture in Haebangchon is a unique location culture that has accumulated in the crevices of the physical condition and culture of life. These places are an expression of resident's desires that seeking out nature and gardening as revealed in densely-populated areas and the grounds of practical acting and participating in care and cultivation. It forms a unique, indigenous local landscape as an accumulation of everyday life of residents. Urban gardens in detached home has retained the original function of the dwelling and the garden, or 'madang', and takes on the characteristic of public space through the sharing of a public nature as well as semi-private spatial characteristic. Also, urban gardens including small kitchen garden and flowerpots that appear in the narrow streets provide pleasure as a part of nature that blossoms in narrow alley and functions as a public garden for exchanging with neighbors by sharing produce. This paper provides the concept of redefining the relationship between the private-public area that occurs between outside spaces that are cut off in a modern city.
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