Huang, Chia-Cherng;Wang, Tzu-Yuan;Huang, Andrew Jeng-Fang;Lin, Shirley Chai-Ching
Asian-Australasian Journal of Animal Sciences
/
v.14
no.9
/
pp.1316-1320
/
2001
The objectives of this study were to investigate the quality characteristics of restructured pressed smoked duck steak from the breast meat of Cherry Valley ducks. Different levels of isolated soybean protein (ISP) (0, 15 and $30g{\cdot}kg^{-1}$) or carrageenan (5, 10 and $15g{\cdot}kg^{-1}$) were added to manufacture the restructured pressed smoked duck steak. The results were as follows: No significant differences were observed for moisture, crude fat, crude protein, cooking loss and water holding capacity of products from all treatments. The panel test scores showed that color, flavor and binding ability of products were considered acceptable. The drip loss in control sliced-products was significantly higher than products containing ISP or carrageenan (p<0.05) during storage at $-18^{\circ}C$ for 12 weeks. The pH value, volatile basic nitrogen (VBN) value and thiobarbituric acid (TBA) value of vacuum-packaged products did not change significantly during storage at $-18^{\circ}C$ for 6 weeks. However, TBA values increased with storage time. The viable bacterial counts were about $10^{3}-10^{4}CFU/g$ during storage at $-18^{\circ}C$ for 12 weeks. The products remained good quality during the storage period.
The aim of this study was to investigate the changes in the taste components of cheonggukjang made with germinated soybeans, which is produced by the addition of a smoking process. The total organic acid content of smoked cheonggukjang made with germinated soybeans (SCGS) was four times higher than that of non-smoked cheonggukjang made with non-germinated soybeans (NCNS). The total organic acid content of SCGS was lower than that of non-smoked cheonggukjang made with germinated soybeans (NCGS). The total free sugar content of NCGS and SCGS was approximately three times higher than that of NCNS. The total free amino acid content of NCGS was significantly decreased compared with that of NCNS, whereas the total free amino acid content of SCGS was 1.2 times higher than that of NCGS. The essential amino acid content of SCGS was significantly increased compared with that of NCGS. The ratio of glutamic acid to the total free amino acid in NCNS and SCGS was 19.6%. Similarly, the ratio of glutamic acid to the total free amino acid in NCGS was 19.1%. There were no significant differences in the total fatty acid content of NCNS, NCGS, and SCGS. The sensory evaluation of appearance, aroma, taste, and overall quality of SCGS was significantly increased compared with that of NCNS and NCGS. These results suggest that smoked cheonggukjang made with germinated soybeans could be utilized for the development of a novel fermented food.
The objective of this study was to investigate the fermentation characteristics of cheonggukjang made with smoked soybeans. The study found that the amino nitrogen content and pH of cheonggukjang made with smoked soybean (CSS) were significantly elevated compared to that of cheonggukjang made with non-smoked soybeans (CNS). On the other hand, the moisture content of CSS was significantly lower when compared to that of CNS. Moreover, there were no significant differences in the viscous substance content between CNS ($5.8{\pm}0.2%$) and CSS ($5.6{\pm}0.3%$). In terms of colour, the L and b values of CSS were higher than that of CNS, whereas the a value of CNS was higher than that of CSS. Hence, it was confirmed that the total isoflavone contents in CSS ($1,624.6{\pm}53.2{\mu}g/g$) were higher than that in CNS ($1,590.6{\pm}59.3{\mu}g/g$). In both CSS and CNS, the content of genistin was highest followed by glacitin and daidzein. Also, the number of aerobic bacteria in CNS ($8.1{\pm}0.4\;log\;cfu/g$) was higher than that in CSS ($7.3{\pm}0.3\;log\;cfu/g$). Taken together, a smoking process can useful for the development of new cheonggukjang products.
The aim of this study is to investigate the changes in the quality characteristics of cheonggukjang made with germinated soybeans, which is produced by the addition of a smoking process. The L value of smoked cheonggukjang made with germinated soybeans (SCGS) was higher than that of non-smoked cheonggukjang made with non-germinated soybeans (NCNS) and non-smoked cheonggukjang made with germinated soybeans (NCGS). The a value of NCNS was the highest, followed by NCGS and SCGS. The b and ${\Delta}T$ values had a similar tendency compared with the L value. The amino acids in NCGS were significantly decreased compared with NCNS, whereas no remarkable difference in amino acid content was observed between NCGS and SCGS. The moisture content of NCGS ($61.9{\pm}0.9%$) was increased by more than 8% compared with that of NCNS ($53.3{\pm}0.7%$). The moisture content of SCGS was significantly decreased compared with NCGS, whereas the moisture content of SCGS was higher than that of NCNS. The pH of SCGS was significantly the highest, followed by NCGS and NCNS. The viscous substance content of NCGS was significantly increased compared with that of NCNS. No remarkable difference in viscous substance content was observed between NCGS and SCGS. The number of aerobic bacteria in SCGS was significantly decreased compared with NCGS. The levels of total isoflavone in NCNS, NCGS, and SCGS were $1,573.9{\pm}62.5$, $1,759.1{\pm}65.8$, $1,738.0{\pm}68.1mg%$, respectively.
This study investigated to changes in the sensory characteristics of cheonggukjang made with smoked soybean. The total organic acid content of cheonggukjang made with smoked soybeans (CSS) increased to about two times in comparison with cheonggukjang made with non-smoked soybeans (CNS). Among the organic acids, the amount of succinic acid was highest for both CSS and CNS. The total free sugar content of CSS ($228.6{\pm}8.8mg%$) was significantly reduced compared to that of CNS ($350.1{\pm}13.7mg%$). Further, the total free amino acid content of CSS ($10,123.3{\pm}301.4mg%$) was significantly increased compared to that of CNS ($8,912.5{\pm}286.5mg%$). The contents of sweet, savory and bitter taste compounds were significantly elevated in CSS when compared to that of CNS. However, there were no significant differences in the total content of fatty acids in CNS and CSS. The sensory evaluation of aroma, taste and overall quality of CSS were significantly increased compared to that of CNS. Taken together, it was expected that a smoking process is useful for the development of new fermented foods.
This study examined Korean young parents' current concept about diet and cancer to plan a proper communication strategy about nutrition education for cancer risk reduction. The naturalistic study using in-depth open ended interviews was conducted to identify Korean young parents' concepts about diet and cancer. Fourteen Korean husbands and wives were interviewed, All interviews were tape recorded and concept maps were developed from their tape-recordings for analysis. Most interviewees believed that certain kinds of food or diet increase or decrease cancer risk. However some interviewees did not believe that food or diet can prevent cancer. most interviewees believed that KIorean's salty and hot diet was related to the prevalence of stomach cancer,. They also believed that meat fresh smoked or cured processed food and excessive fat intake increase the risk for cancer but vegetables and fruits decrease it They believed that grilling and barbecuing increase cancer risk Some interviewees believed that certain nutrients (Zn. Se) and food(soybean paste mushroom garlic ginseng and so on) have cancer preventive effect. Most interviewees though twenties or early thirties are important ages for cancer preven-tion. Newspapers woman's magazines radio TV were the primary source of information on diet and cancer.
The present study attempted to determine the effect of olfactory stimulation on word retrieval deficit in Korean aphasics. Eleven nonfluent and 9 fluent aphasic patients served as subjects. The 20 subjects' age ranged from 14 to 65 with the mean of 43.0 (SD: 17.6). A neurologist examined them and diagnosed that they had no visual, auditory, and olfactory impairment. The study consisted of 2 experiments: Experiment I included visual stimulation while experiment II included visual and olfactory stimulation. The subjects were presented with 19 pictures for them to name in the experiment I, whereas they were exposed to the 19 pictures along with the corresponding olfactory stimulus in the experiment II. The 19 items included soy sauce, chilly pepper, Kimchi, chewing gum, cigarette (smoked), soybean paste, lemon, banana, alcohol (wine), apple, fish, vinegar, cuttlefish (dried), milk, rose, sesame oil, melon, coffee, and perfume. The results were as follows: First, olfactory stimulation tended to improve aphasics' word retrieval deficit although the improvement was not statistically significant. Second, the nonfluent aphasics seemed to take more advantage from olfactory stimulation compared to the fluent aphasics. Third, olfactory stimulation (olfactory + visual) did not produce a different naming performance compared to visual stimulation in the pre- and post-test when the pre- and post-test was composed of naming tasks through auditory + visual stimulation. Fourth, the fluent aphasics performed better with unpleasant olfactory stimulus while the nonfluent aphasics performed better with pleasant olfactory stimulus.
This study was conducted to investigate the physicochemical characteristics and storage stabilities of soy sauce and soybean paste sauce added with extracts of pear and sugar. The commercial possibility of these sauces was investigated by sensory and preference evaluations. First, the sensory evaluation of two different particle sizes of soybean paste sauce (Type I, chopped; Type II, ground) was performed. The result of sensory and preference evaluations of soybean paste sauce Type I was higher than those of soybean paste sauce Type II, which the former was used for further analysis. The total polyphenol contents and the 2,2'-azino-bis (3-ethylb enzothiazoline-6-sulfonic acid) (ABTS${\cdot}$+) radical scavenging activities of two sauces were not significantly different (p<0.05). The 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of soy sauce was higher than that of soybean paste sauce I(p<0.05). The pH, total bacterial count, saltiness, and hunter's color values of both sauces were not changed during the whole storage period (60 days). Viscosity of the soybean paste sauce I was increased while the viscosity of soy sauce was significantly decreased during the storage periods (p<0.05). From these results, it was suggested that the soy sauce and soybean paste sauce I added with pear extract of pear and sugar would be a suitable sauce for smoked duck and meat foods.
In rural area, as the source of family income is related with the agriculture works, the living condition of non-farming family used to be lower except some family groups with a little higher income. In order to find out the improvement in rural life, data about the health behavior and diet habits of non-farming family were observed. This study evaluated the health behavior and diet habits of non-farming families by comparing them with those of the farming families in rural area. The survey was made by trained interviewers and a total of 1,870 subjects from 9 provinces were questioned to collect the data through sampling probability proportional to size. The non-farming families were $29.6\%$ of the total and they were with no spouse($38\%$), low number of family members(2.86), and aged husband(66.8 years) or wife(58.5 years). $83.1\%$ of the non farming families were having breakfast however, $95.1\%$ of the farming families were doing it. And the number of side dishes in non farming families was low(1-2 kinds: $17.7\%$). Out of non farming families, $47.3\%$ took no nutritional supplements and out of the farming families it was 40.8 $\%$ With regard to having snacks, $22\%$ of non-farmers had snacks daily and it was greater than that of farmers($16.6\%$). But the ratio of non-snack taking of the non-farmers($29.6\%$) was higher than that of farmers($24.5\%$). The sorts of snacks also varied and for farmers it used to be fruit and noodles and for non-farmers it was bread and milk. Instant foods were often selected by $35.6\%$ of non-farmers. Dining out with a frequency of once per month was reported in $23.2\%$ of non-farming families, but $47.6\%$ of them did not dine out at all. In case of food production for family consumption, small portion of non-farmers cultivated pepper($13.3\%$), Korean cabbage ($16.2\%$), and sesame($6.2\%$) but almost all of the farmers cultivated such crops. However, non-farmers produced soybean sprouts($0.7\%$), soybean curd($0.2\%$), and eggs($7.2\%$) and it was compared with the fact that farmers produced soybean sprouts($9.7\%$), soybean curd ($4.6\%$), and eggs($5.1\%$). Non-farmers stocked the fermented foods: Doenjang ($57.8\%$), Kochujang ($56.1\%$), Kanjang ($53.6\%$), Kimchi ($77.9\%$) and Jangajji ($37.2\%$), and this ratios were smaller than those of farmers: Doenjang ($93.6\%$), Kochujang ($92.9\%$), Kanjang ($87.9\%$), Kimchi ($97.7\%$) and Jangajji ($66.7\%$). As to health behavior of the subjects, non-farmers had less medical examinations and bathing than farmers did. Non-farmers and their wives used public bath facilities more often and it may be due to the low condition of bathing facilities. And the ratio of daily alcohol consumption was $15\%$ and it was higher than that of the farmers. Most of the spouse of the farmers did not drink($78\%$), but the wives of the non-farmers were drinking more frequently. More farmers smoked than non-farmers and $45\%$ of male farmers were smokers.
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