This research focused on investigating the effect of lentinus edodes on the Garaedduk by analyzing its quality characteristics. Through this research, it could be verified whether this improved food has the potential to develop into a functional food. 5 pieces of Garaedduk with 0, 2, 4, 6, and 8% of lentinus edodes powder were analyzed by water content, color, sensory, textural characteristics and cooking characteristics right after the production and after one day. The five Garaedduk showed significant differences in water content during storage period of 0 & 1 day. As the result of Hunter's color values, with the increase of lentinus edode during storage period of 0 & 1 day, lightness was significantly decreased and redness and yellowness were significantly increased. As the result of textural analysis, hardness and chewiness showed significant increase and cohesiveness was significantly decreased in Garaedduk with the increase of lentinus edodes. When the Garaedduk were preserved for one day, the hardness and chewiness of the Garaedduk with 2% of lentinus edodes showed similar with the control. Cohesiveness showed significant decrease in all Garaedduk. The result of the sensory evaluation showed increase in the color, aroma and taste with the increase of lentinus edodes. The 2% Garaedduk showed similar hardness with the control. Garaedduk with lentinus edodes showed no difference in cohesiveness and adhesiveness with the control. The overall acceptability was significantly increased with the increase of lentinus edodes while the Garaedduk with 6% of lentinus edodes showed the highest overall acceptability. After one day of preservation, the Garaedduk with 4% lentinus edodes also showed the highest overall acceptability. As the result of cooking properties, weight gain and volume were significantly increased with the increase of lentinus edodes. The 2% Garaedduk particularly showed similar weight gain with the control. In turbidity of soup was significantly increased with the increase of lentinus edodes. In Hunter's color values of soup, lightness was significantly decreased with the increase of lentinus edodes. Redness and yellowness were significantly increased with the increase of lentinus edodes like Garaedduk.
Objectives: Selaginella bryopteris L. (family: Selaginaceae), is often used in traditional Indian systems of medicine for the prevention and cure of several disorders and for the treatment of patient with spermatorrhoea, venereal disease, constipation, colitis, urinary tract infections, fever, epilepsy, leucorrhoea, beri-beri and cancer. It is also used as a strength tonic. This study aimed to evaluate the mechanisms underlying the anti-inflammatory effects of topically administered aqueous, polar and non-polar methanolic fractions ($10mg/20{\mu}L$) of Selaginella bryopteris. Methods: An acute oral toxicity study of Selaginella bryopteris at doses from 250 to 2,000 mg/kg body weight (bw) was performed. Aqueous, polar and non-polar methanolic extracts ($10mg/20{\mu}L$) applied topically for 5 days were evaluated for their anti-inflammatory effects against 12-tetra-O-decanoyl phorbol acetate (TPA)- induced inflammation by using the redness in the ear, the ear's weight (edema), oxidative stress parameters, such as lipid-peroxide (LPO) and nitric oxide (NO), and the pro-inflammatory cytokines involved in inflammation, such as tumour necrosis factor $(TNF)-{\alpha}$, interleukin $(IL)-1{\beta}$ and IL-6. Indomethacine ($0.5mg/20{\mu}L$) was used for the positive control. Results: Selaginella bryopteris produced no mortalities when administered orally at doses from 250 to 2,000 mg/kg bw. Topical treatment with the non-polar methanolic fraction ($10mg/20{\mu}L$) significantly suppressed redness ($2.4{\pm}0.5$) and edema ($30.4{\pm}1$) and effectively reduced the LPO level ($32.3{\pm}3.3$). The NO level was ($8.07{\pm}0.55$), and the $TNF-{\alpha}$, $IL-1{\beta}$, and IL-6 levels were decreased to $69.6{\pm}15.5$, $7.7{\pm}4.8$ and $82.6{\pm}5.9$, respectively. Conclusion: This study demonstrated for the first time the mechanisms underlying the anti-inflammatory effect of medicinal plants like Selaginella bryopteris and quantified the pharmacological interactions between them. The present study showed this herbal product to be a promising anti-inflammatory phytomedicine for the treatment of patients with inflammatory skin diseases.
To develop the functional noodles, powders of soybean and Gastrodine rhisoma were mixed with wheat powder. When 0-5% of soybean powder was mixed with wheat one, the characteristics of noodles was changed as follows; Along with the increasing of mixed soybean powder, L(brightness) and a(redness) value was decreased. Hardness showed increasement in all noodles added with soybean powder but, on the contrary, Cohesiveness was decreased. The content of isoflavones in noodles was increased along with the increament of mixing ratio of soybean powder. Sensory evaluation showed that the noodles with 5% of sobyean powder was significanly higher than those of no-soybean powder. At the same time, the characteristics of noodles added with Gastrodine rhisoma was evaluated. The results were as follows; As in soybean powder, L(brightness) and a(redness) value was decreased along with the increasing of mixed Gastrodine rhisoma. Compared with no-powder, hardness and Chewiness was significantly increased in 0.5% and 1.0% in soybean powder, and 0.5% in Gastrodine rhisoma one, respectively. Sensory evaluation showed that the noodles with 1.0% of Gastrodine rhisoma powder was significanly higher than those of no-soybean powder. Considering together with sensory evaluation and economic aspect, noodles with 5% of soybean powder and 0.5% of Gastrodine rhisoma to be the best ones.
This study compared the pork quality and muscle fiber characteristics between the Jeju black pig (JBP) and domesticated pig breeds, including three-way crossbred (Landrace ${\times}$ Yorkshire ${\times}$ Duroc, LYD), Berkshire (B), Duroc (D), Landrace (L), Meishan (M), and Yorkshire (Y) pigs. JBP had the lowest carcass weight among the pig breeds (p<0.05) and its NPPC marbling score was lower than the other domesticated pig breeds (p<0.05), except for M. M had the highest value for backfat thickness among the pig breeds (p<0.05), whereas its NPPC marbling score was the lowest (p<0.05). The pH values were higher in JBP and B at 45 min and 24 h postmortem, respectively, but LYD and M had the lowest pH values at 45 min and 24 h postmortem, respectively (p<0.05). M had a higher lightness and lower redness than the other breeds (p<0.05). Moreover, M had the highest drip loss among the pig breeds (p<0.05), whereas D had the lowest drip loss and the highest redness (p<0.05). In terms of muscle fiber characteristics, JBP and LYD had the largest type IIB fibers (p<0.05). The fiber number and area composition of type I fibers were higher in JBP than the others (p<0.05) however type IIA fibers were lowest in JBP among the pig breeds (p<0.05). Overall, our results indicate that JBP provided better pork quality compared with M, but the carcass trait and pork quality of JBP were not better than LYD and D, respectively.
To minimize the waste amount of surface layer kochujang during aging, the effects of the three finishing methods(nothing, salt scatering and Polyethylene film on the kochujang surface) and sunning(conventional aging method) or nonsunning aging(cap covering) on water content, redness and spreadability, film forming yeast occurance and salinity of surface layer kochujang during 120 days aging were investigated. In the case of sunning aging, film forming yeast was not visually found on the surface. The surface layer kochujang was so low spreadability(zero) and very high salinity(18-30%) that could not eat. However, the aging method after PE-film covering on the kochujang surface, and then cap covering(nonsunning) was very effective in keeping of soundness of surface layer kochujang without film forming yeast growth on the surface kochujang, especially was greatly effective in keeping of redness, moderate moisture content and spreadability. The PE-film and cap covering aging were effective in prevention of water evaporation and $CO_2$ release, and in accumulation of ethanol and organic acids between the PE-film and surface layer of kochujang.
Kim, Joong-Man;Hwang, Shin-Mook;Choi, Yong-Bae;Kim, Hyong-Tae
Journal of the Korean Society of Food Culture
/
v.7
no.4
/
pp.297-301
/
1992
To investigate effects of the surface finishing methods (A : conventional press stone, B : enclosing in polyethylene (PE) bag, C : press-tone wrapped with PE film and D : covered with Chinese cabbage leaves 4cm in thickness on Kimchi) on Kimchi quality, pH-values, redness, film forming yeast growth, hardness and sensory quality of Kimchi during storage (for 60 days, at $10{\pm}5^{\circ}C$) in glass vessel $(11{\times}30cm)$ were investigated. pH of the top layer of A, C and D sample were higher than the optimum pH (4.2) of Kimchi, film forming yeast occurred on the surface of Kimchi, color of top layer Kimchi juice was darkened, and panel score of freshness and firmness was significantly worse (p<0.01) than that of sample B. However, in the case of Kimchi stored in PE bag (B), film forming yeast were can't detected visually in the surface of Kimchi, pH values were low as good quality Kimchi, freshness and firmness panel scores and hardness were significantly better (p<0.01) than A, C and D, and redness of juice of top layer of B was also preserved clearly for 60 days. Accordingly among the four surface finishing methods, the B-method was most effective in preserving of y of Kimchi.
The quality characteristics of strawberry jam containing different levels of sugar alcohols, such as xylitol, sorbitol and maltitol were compared with jam containing 35% of sugar only. Addition of 10-30% of xylitol did not influence pH and total acidity. The intensity of redness and amount of residual anthocyanin were increased according to increase of levels of xylitol, which showed a positive effect on color. However, the addition of more than 10% of xylitol resulted in negative changes in hardness and spreadmeter values. These and consumer preference results showed that the optimum amount of xylitol was less than 10%. Substituting sugar with 10% of xylitol and 25% of sorbitol, 10% of xylitol and 25% of maltitol or 10% of xylitol and 12.5% of sorbitol and maltitol did not change the pH, total acidity, hardness or spreadmeter value, but the redness and the amount of residual anthocyanin were still increased by these ratios. The most preferred ratio according to the sensory test was 10% of xylitol with 12.5% of sorbitol and maltitol each.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.8
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pp.298-303
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2020
This study examined the washing conditions for high-quality solar salt. The salinity of the washing water was set to 5 % to prevent yield loss, and the temperatures of the washing water were 5, 10, 17.5, and 20 ℃. After washing the solar salt, the moisture content, salinity, insoluble matter, and sandy powder were measured from the solar salt. In addition, the color properties, L*[lightness], a*[redness], b*[yellowness], and yield were measured. The moisture content of the salt showed a tendency to increase when the temperature of the washing water was above 10 ℃, and the salinity and yield tended to decrease as the temperature of the washing water was high. The amount of insoluble matter decreased with decreasing temperature of the washing water. In the case of sandy powder, the highest value was 0.67 % at a washing water temperature of 5 ℃, and the value was 0.57 % under the other temperature conditions. Regarding the color properties, the b* [yellowness] of the color of the solar salt increased when the washing water temperature was high. This appeared to decrease the appearance quality. According to the above results, a washing water temperature above 10 ℃ was appropriate. The development of design factors of a high-quality solar salt production system is expected with experiments to define the drying conditions after the washing process.
Journal of the Korean Society of Food Science and Nutrition
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v.42
no.2
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pp.306-312
/
2013
The purpose of this study was to evaluate the physicochemical and sensory characteristics of white bread and added 2%, 4%, 6%, or 8% Hallabong powder. Dough pH of the control group was 5.65, and it decreased as increasing amounts of Hallabong powder were added. Also, total titratable acidity of dough significantly increased with increases in Hallabong powder. The fermentation power and dough expansion significantly increased with increasing incubation time; the control was highest at 98.67%. White bread pH, specific volume, and baking loss decreased significantly as with increased Hallabong powder content. The bread moisture content was not significantly different between samples, differing only from 40.61~41.83%. Water activity was 0.960 Aw in the 6% Hallabong powder mixture, which was the highest in samples. In color, lightness of crust significantly decreased with increased Hallabong powder content, whereas redness showed the reverse effect. Lightness of crumbs significantly decreased, with increased Hallabong powder content, whereas redness and yellowness showed the reverse effect. In texture, hardness and fracturability significantly increased, while resilience showed the reverse effect. In the sensory evaluation, citrus flavor, bitterness, astringency, and off-flavor significantly increased with increased Hallabong powder content, and the control sample showed the highest score in color, flavor, softness and overall acceptability. The 2% and 4% samples showed more than average scores. Based on these results, Hallabong powder could be considered a functional material. The optimum amount of Hallabong powder to add for baking bread would be 2~4%.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.4
/
pp.741-746
/
2004
Drying of raw ginseng root down to 35% moisture content required for extrusion process. There were two kinds of pre-treatments of raw ginseng root which were chopping and whole-root ginseng before frying at 80, 100 and 12$0^{\circ}C$. Drying rate and physicochemical properties of dried ginseng were evaluated to determine optimum drying temperature for extrusion process. Drying time at 8$0^{\circ}C$ to decrease to 35% moisture was 6.5 hr and ginsenoside content in dried ginseng at 8$0^{\circ}C$ was lower than that of dried ginseng at 100 and 12$0^{\circ}C$. Drying time at 100 and 12$0^{\circ}C$ to decrease to 35% moisture was 5.5 and 3.5 hr and redness of dried ginseng powder was 5.20 and 7.23 respectively. Browness and redness of dried ginseng extract from 75% ethylene were significantly increased with the increase in drying temperature. Ginsenosides Rb1, Rb2, Rc, Rd, Rg1 and total saponin were also increased with the increase in drying temperature from 8$0^{\circ}C$ to 10$0^{\circ}C$, however, those were not significantly different with drying temperature at 100 and 12$0^{\circ}C$. Drying temperature for extrusion process can be optimal at 10$0^{\circ}C$.
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