9 kinds of nanoparticle used for this study was a particle with the size of less than 100 nm of diameter, and Artemia sp. cyst examined what kind a influence to have upon the process hatched out in nauplius. 82% hatched in nauplius at the opposition ward where a nanoparticle wasn't added after 24 time course. AGZ020, Nano silver, P-25, Sb and SnO nanoparticle showed hatching rate of 18%, 20%, 13%, 50% and 0% respectively by the 20mg/L density, and it became clear that a harmful effect is big, but I had a harmful effect compared with the opposition ward by 75%, 60%, 73% and 73% respectively by Ag-$TiO_2$, In, Sn and Zn nanoparticle, but a feeble thing was known relatively compared with AGZ020, Nano silver, P-25, Sb and SnO nanoparticle. The difference was mused this with the ingredient a nanoparticle has. Ag is included 2% and AGZ020, Nano silver and P-25 nanoparticle are used widely as anti-fungus agent, and the SnO nanoparticle which became combination is a light catalyst pill, and oxygen is used for a Sn particle. This and others, a possibility that use is generalized and flows into aquatic environment in sequence the home electronics, functionality cosmetics, anti-fungus agent and a light catalyst pill at present becomes high for nanoparticles and others. The anxiety which has an influence on the ecology world in the water with this can be generated, so I'd have to study the potential danger a nanoparticle has continuously.
The objective of this study was to investigate the effect of hot water extract of Welsh onion root (HEWO) on growth of lactic acid bacteria and fermentative characteristics of yogurt. The physiochemical characteristics of HEWO such as pH, soluble solid, reducing sugar, total polyphenol content and DPPH radical scavenging activity were studied. The lactic bacterial count in brain heart infusion (BHI) broth with HEWO was about 1 log cycle higher than in control for 24 h at $37^{\circ}C$. The pH of yogurt prepared with HEWO (WY100) and 50% HEWO (WY50) was gradually decreased significantly but increased the viscosity of yogurt with increasing HEWO concentration during fermentation. The viable cells of lactic acid bacteria after fermentation for 24 h were 8.03 (control), 8.77 (WY50), 8.84 (WY100) log CFU/mL, respectively. The DPPH radical scavenging activity of yogurt increased with increasing HEWO concentration. Sensory quality of yogurt prepared with HEWO was higher than that of control. The pH and lactic acid bacteria of all tested yogurts decreased during storage for 10 days at $4^{\circ}C$ but lactic bacterial count of yogurt prepared with HEWO maintained $10^8CFU/mL$ during storage. These results indicated the potential use of HEWO as a valuable resource to improve fermentation and functionality of yogurt.
This study examined the antioxidant activities of noni juice (NJ) extracts using various ethanol ratios and quality characteristics of Konjak jelly (KJ) supplemented with NJ. The total polyphenol content of 0% EtOH extract (EE) was higher than that of the other samples. The 100% EE contained the highest amount of total flavonoids. The 50% EE showed higher DPPH radical scavenging activity (SA) than the other samples. ABTS+ radical SA was the highest at 100% EE. The pH and moisture content of KJ decreased as the amount of NJ increased. The sugar content of KJ increased with an increase in the amount of NJ. Hardness and gumminess showed an increasing tendency, while L and b values decreased with the addition of NJ. Regarding consumer acceptability, 25% noni KJ was evaluated to be high in color and flavor. As a result, KJ containing 25% NJ was suitable for increasing consumer acceptability and functionality of KJ.
Cosmetic packing materials tend to be difficult to recycle when discarded due to the cosmetic industry's pursuit of aesthetics, functionality, and high value-added design. Pump packaging, which is widely used for the good preservation and discharge of cosmetics contents, is difficult to be separated and recycled because of a metal spring, which is in charge of pump resilience. In this study, a polypropylene spring was developed to replace the existing metal spring to improve the recyclability of the pump packaging for cosmetics, and was uni-materialized by applying to the cosmetic packing materials with 0.2 ml of discharge amount. In addition, performance test was conducted to verify the equivalence with the existing metal spring pumps as grounds for the commercialization of metal-free uni material pump packaging. The decompression leak test showed no leakage and displayed 14.8~17.5 N of pressing strength, 2.3~8.8 % of deviation in dispensing volume, and 4 occasions of pumping for initial discharge.
The introduction of dongbal[bara] is in line with Buddhism which was transmitted from India through China. Therefore, this paper tracked down the records of dongbal in Indian and Chinese Buddhism, and especially in scriptures and in ritual texts of Korean Buddhism, and studied the functionality and the use of dongbal, and the attributes of Baramu. Among the scriptures that record dongbal, 『Myobeopyeon hwagyeong(妙法蓮華經)』(A.D.406) is the earliest to be translated. The records of bara in the scriptures were written as dongbal(銅鈸) mostly, and that it was used as ritual tool(法具), instrumental offering, and religious ornament(莊嚴物). The oldest record which can verify that dongbal was used in Korea is 『Seodaesajajaeryugijang(西大寺資財流記帳)』(A.D.780). The oldest cymbals-like relic remaining today, the reliquary from the temple Gameunsa built in A.D.628, dates back to the early period of Unified Silla. This indicates that dongbal has been used at Korean temples by the 7th century at least. The records of dongbal(銅鈸) written in cheong-gyu(淸規, buddhist monastic rules) and ritual texts are classified as myeongbal(鳴鈸) and dongbal(動鈸). The letter 'myeong(鳴)' of myeongbal means to make a sound, and thus myeongbal refers to clash and make the sound of the bara. It is verified that myeongbal had certain established rules and methods. It appears that dongbal(動鈸) refers to Baramu(the cymbals dance) since the letter 'dong(動)' means movement or to move. Hence, the concept of movement was added to the signification of myeongbal, and became dongbal(動鈸), and then developed into baramu being transmitted until today. There are 8 types of Baramu transmitted in Korean Buddhist rituals, and they could be classified into purifying ritual, inviting ritual, protecting ritual, offering ritual, bathing ritual, dressing ritual, saluting ritual, and praising ritual according to their attributes.
Kim, Da-Mi;Kim, Kyoung-Hee;Yun, Young-Sik;Kim, Jae-Hun;Lee, Ju-Woon;Yook, Hong-Sun
Journal of the Korean Society of Food Science and Nutrition
/
v.40
no.11
/
pp.1604-1611
/
2011
In this study we assessed the effects of gamma irradiation (50 kGy) on cookies to which was added various concentrations (1%, 3%, 5%, 7%) of hot water extract from seamustad (Undaria pinnatifida) sporophylls (WEUS) for future industry use. The pH of the dough went down significantly with the addition of WEUS. However, density was not related to that. The spread ratio of the cookies increased significantly as more WEUS was added to the cookie recipe, and cookies containing gamma-irradiated extract were taller than non-irradiated cookies with the same concentration. The loss rate of cookies was the same between control and experiment groups. On the other hand, the leavening rate significantly increased upon the addition of WEUS, and gamma-irradiated cookies were higher than non-irradiated cookies in the same concentration. The L value of cookies was much reduced with higher WEUS content, but the b value showed no significant differences between the control and experiment groups. The a value showed no significant difference for non-irradiated groups, but did for gamma-irradiated groups. Upon the addition of WEUS, hardness was shown to be higher than the control. The antioxidant activity, DPPH radical scavenging, was significantly higher with the control cookies, and upon the addition of WEUS, the gamma-irradiated cookies had higher antioxidant effects than non-irradiated cookies. The sensory evaluation showed that cookies made with WEUS have a positive impact in color, smell, taste, texture, and overall acceptability, but the sensory evaluation worsened with a lot of WEUS. The results of acceptability were higher in cookies with 3% the non-irradiated group and 1% the gamma-irradiated group. These results suggest that the 1% gamma-irradiated group was in the best condition to use in the industry since just a little of it makes exceptional quality, sensory properties, and functionality.
Six kinds of sunsik containing different contents of brown rice(BR; 20, 30, and 50%) were prepared and subjected to various processing conditions(with or without roasting at $200^{\circ}C$ for 20 min e.g., designated as RBR50 or BR50) to assess their functionality as ready-to-eat foods. They were also assessed for their nutritional and sensory properties and oxidative stability. Dietary fiber contents were proportionate to the levels of added BR. Protein was highest in RBR50 (p<0.001), which also had the highest amounts of free and structural amino acids. The amount of free amino acids tended to increase with roasting, although most amino acids were present in structural form. Oleic acid and linoleic acid were the predominant fatty acids in all prepared sunsik, and RBR50 presented noticeably higher peroxidability index due to its higher amount of linoleic acid(p<0.05). Nevertheless, RBR50 showed good oxidative stability; this phenomenon was observed in all sunsik with roasted BR but not in those with non-roasted BR. It is implied that potential antioxidants might have been newly formed or converted from their precursors while BR was roasted. Roasting process also had an impact on the sensory properties of sunsik, e.g., sunsik with added roasted BR showed lower dissolution and darker color intensity compared to its counterpart sunsik.
Kim, Young-Sook;Yeum, Dong-Min;Roh, Sung-Bae;Kim, Young-Hee;Chung, Sun-Kyung
Food Science and Preservation
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v.15
no.3
/
pp.367-376
/
2008
This study was conducted to investigate 1he quality characteristics of 1he soybean anchovy sauces added with medicinal herbs, Saururu chinensis Baill. and Houttuynia cordata Thunb. and fermented for 4 months. The total nitrogen content of 1he soybean anchovy sauce increased with the fermentation time showing the highest values in the sauce with Houttuynia cordata Thunb.. The contents of total sugar and reduced sugar were high in the order of the sauces with Houttuynia cordata Thunb.(sauce T), with Saururu chinensis Baill.(sauce B), and control. The content of salt decreased much more in the sauces with medicinal herbs. After 4 months of fermentation, pH was lowered from 5.86 to 5.27 in control, to 5.38 and 5.54 in sauce B and sauce T, respectively. Generally the total aerobic bacterial count increased until 3 months of fermentation and then decreased, and the addition of medicinal hems reduced the count especially showing apparent reduction in the sauce T. During the fermentation, total protease activity generally increased with the highest value in the sauce T. In the changes of nucleotides and their related compounds, the contents of AMP, ADP, and ATP were increased and hypoxanthine decreased during the fermentation, and IMP produced after 3 months. The soybean anchovy sauce B had 1he highest IMP and the lowest hypoxanthine after 4 months. The content of total amino acids increased showing 177.1 mg% and 134.7 mg% in the sauce B and sauce T respectively compared with 171.2 mg% of control. The contents of glutamic acid and aspartic acid were 29.2 mg% in sauce B and 34.3 mg% in sauce T, which were higher compared with 25.9 mg% of control. The fermented soybean anchovy sauce had 1he functionality of ACE inhibition with 70.5% (control), 72.5% (sauce B) and 81.6% (sauce T). In the results of sensory evaluation, the sance T scored the highest and the sauce B was preferred to control.
Journal of the Korean Society of Food Science and Nutrition
/
v.42
no.12
/
pp.1994-2003
/
2013
This study is performed to evaluate the effects of purple Kohlrabi addition on the quality properties and stability characteristics of hamburger patties during storage. The patties were prepared by adding 0% (N), 3.3% (K1), 6.6% (K2), and 10% (K3) of chopped purple Kohlrabi. Each patty was tested in triplicate and assigned to one of the four storage periods: 0, 5, 10, or 15 days. Addition of Kohlrabi decreased the protein and lipid contents, however, the ash and moisture contents were significantly increased. The total amino acid contents of N, K1, K2, and K3 were $15.34{\pm}1.02$, $14.57{\pm}1.28$, $15.10{\pm}1.17$, and $16.70{\pm}1.23$ mg/100 g, respectively. Palmitic acid was the most abundant among the saturated fatty acids, while oleic acid was the most abundant unsaturated fatty acids among the four groups. The water holding capacity value and cooking loss were not significantly different among the patties. In the textural characteristics, the addition of Kohlrabi increased the cohesiveness and chewiness values, but did not affect the hardness and springiness values of the patties. In the sensory evaluation, an addition of 10% Kohlrabi had the best score in color, flavor, and total acceptability. The pH of the patties decreased longer period storage; however, the total microbial counts, thiobarbituric acid (TBA) value and volatile basic nitrogen (VBN) content increased during storage. The TBA value and VBN content of the patties containing 10% Kohlrabi were lower than those of the N. Kohlrabi addition decreased the b (yellowness) and a (redness) values, and did not affect the L (lightness) value. Thus, this result suggests that adding Kohlrabi of 10% can be applied to patties for its functionality.
This study examines the regulatory issues and introduction problems of TV-betting data broadcasts in Korea by in-depth interview with a panel group. TV-betting data broadcast services of card games and horse racing games are widely in use in Europe and other parts of the world. In order to carry out the study, a demo program of TV-betting data broadcast in the OCAP(OpenCableTM Application Platform Specification) system environment, which is the data broadcasting standard for digital cable broadcasts in Korea was exposed to the panel group and then they were interviewed after watching and using the program. The results could be summarized as below. First of all, while TV-betting data broadcasts have many elements of entertainment, the respondents thought that it would be difficult to introduce TV-betting in data broadcasts as in overseas countries largely due to social factors. In addition, in order to introduce TV-betting data broadcasts, they suggested that excessive speculativeness must be suppressed through a series of regulatory system devices, such as by guaranteeing credibility of the media based on safe security systems for transactions, scheduling programs with effective time constraints to prevent the games from running too frequently, limiting the betting values, and by prohibiting access to games through set-top boxes of other data broadcast subscribers. The general consensus was that TV-betting could be considered for gradual introduction within the governmental laws and regulations that would minimize its ill effects. Therefore, the government should formulate long-term regulations and policies for data broadcasts. Once the groundwork is laid for safe introduction of TV-betting on data broadcasts within the boundary of laws and regulations, interactive TV games are expected to be introduced in Korea not only for added functionality of entertainment but also for far-ranging development of data broadcast and new media industries.
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