The physicochemical properties of rice endosperm from five rice varieties and effects of milling on baking bread properties of rice flour were investigated. Five rice varieties exhibited different level of amylose content. The ratio of longer amylopectin chain length to the distribution of endosperm starches was the highest in Goami3. According to the RVA measurement of rice flours, the pasting temperatures of Seolgaengbyeo and Goamibyeo were lower than those of the other rice varieties. There were differences in the changes of swelling power of rice flour under increasing temperature. Each rice flour sample for bread-making was processed into two different particle size by using an air-classification mill, and significant differences were observed among cultivars in the average particle size and damaged starch content of rice flours. Rice flour of Seolgaengbyeo with fine particle size showed the highest value in specific volume after baking.
Journal of Fisheries and Marine Sciences Education
/
v.27
no.3
/
pp.625-633
/
2015
Olive flounder (Parlichthys olivaceus) is a large carnivorous fish that live at coastal area and shallow seas in Korea. It was good texture and clean taste because of a high collagen content and low lipid content. More than 70% of olive flounder annual production was traded alive, consequently processing food product from olive flounder is rare to be towed. This study was conducted to investigate the best method of olive flounder cutlet processing. Clean fillet (headless, skinless and contain no viscera part) of olive flounder were divided into 5 portion. Every 100 g of olive flounder meat was wrapped with vinyl then flatten with meat hammer. Flatten fillet then was coated with wheat flour, and seasoned with salt and pepper. These were then coated with egg wash and bread crumbs. Two different method of processing was to make this olive flounder cutlet. Cutlet-1 was fried for 1 min in olive oil, then kept in polyethylene film vacuum packaging ($20{\times}30{\times}0.05mm$) and stored at $-20^{\circ}C$ for 7 days. After 7 days the cutlet was thawed and heat up in microwave for 2 min (Sample-1). The other proup is cutlet-2, which is directly stored in polyethylene film vacuum packaging at $-20^{\circ}C$ for 7 days then thawed and fried for 1 min in olive oil (Sample-2). The factors such as pH, TBA value, amino-N, free amino acid, chemical composition, color value (L, a, b), texture profile, sensory evaluation and viable bacterial count of the olive flounder cutlet (Sample-1, Sample-2) were measured. From the result of sensory evaluation, Sample-2 showed a little high scores than Sample-1. But there was no significant differences in color, odor, taste, texture and overall acceptance between Sample-1 and Sample-2 products.
The goal of this study was to determine the nutritional value and nutrients provided by each meal and snack of consumed by university students. Subjects were randomly selected from volunteer students at five universities in Ankara. A sample of 400 students (167 female and 233 male) aged between 19 and 24 years participated in this study. A questionnaire designed to assess general characteristics, anthropometric measurements, and 24 hours dietary records was administered using face to face interviews. According to body mass index classifications, 69.5% of male students, and 77.7% of female students were found to be in the normal weight categories. Overweight categories were found to be 25.1% and 5.6% for males and females, respectively. Breakfast and lunch were the most frequently skipped meals, with a total of 47.7% of students skipping breakfast and 25.2% skipping lunch. The percentages of energy deficiency were found to be 78.4% in males, and 81.1% in females. Dinner was the main meal for consumption of energy and the other nutrients, except saturated fatty acids, for both genders. Also, dinner was the largest contributor of energy in both genders. Students ate more bread, cereals, and meat at dinner than during the other meals and snacks. Fruit was consumed more during snacks than at the other meals by all students. It was concluded that students need more nutritional information about healthy nutritional habits, adequate intake of nutrients, and ideal body weights.
Kim, Young-Soo;Ha, Tae-Youl;Lee, Sang-Hyo;Lee, Hyun-Yu
Korean Journal of Food Science and Technology
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v.29
no.3
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pp.502-508
/
1997
Rice bran dietary fiber extract, which was obtained after termamyl treatment of defatted rice bran contained $27.3{\sim}30.5%$ protein, $49.7{\sim}54.1%$ insoluble dietary fiber, and $1.9{\sim}2.7%$ soluble dietary fiber. Extrusion decreased the insoluble dietary fiber content but increased the soluble dietary fiber content, while roasting did not. Influence those content. Each mineral element content was depended upon heat processing method. Extrusion increased the water binding capacity and L value, while roasting reduced the water binding capacity and L value. Scanning electron microscopy showed damaged cell walls for extruded sample compared to roasted one which had fully collapsed cell walls. The increase of water absorption, developing time, and stability and the of MTI of wheat flour-dietary fiber extract composites with addition of dietary fiber extract were observed by Farinograph. Rice bran dietary fiber extract had an effect on the bread making resulting in increase of bread weight and color of crumb and crust, and decrease of bread volume and texture. As a result of sensory evaluation, appearance, texture, overall acceptability were significantly different from control but flavor and taste were not different significantly up to 6% level. Heat treated samples had differences in mean values, but not significant differences statistically.
For the consumption extension of Chinese artichoke(Stachys sieboldii MIQ), the quality characteristics and sensory evaluation of white pan bread prepared with different levels of added Chinese artichoke powder(0, 3, 6, 9, and 12%) were investigated. Volume changes of dough, moisture contents(p<0.001), and baking loss rate(p<0.001) decreased with increasing levels of Chinese artichoke powder. In addition, with an increase in the level of Chinese artichoke powder, the volume and specific volume of white pan breads significantly decreased(p<0.001 and p<0.001, respectively) whereas the weight of white pan breads significantly increased (p<0.001). In terms of color, the lightness(L) decreased, but the redness(a) and yellowness(b) increased with increasing Chinese artichoke powder levels(p<0.001). From the texture profile analysis(TPA) of white pan breads, hardness, chewiness(p<0.05), gumminess(p<0.001), and adhesiveness(p<0.001) increased whereas springiness and cohesiveness(p<0.01) decreased according to the levels of added Chinese artichoke powder. In the attribute difference test, crumb color(p<0.001), grain size(p<0.05) decreased whereas grain uniformity, yeast flavor, acridity flavor(p<0.001), plainer taste(p<0.05), sweet taste(p<0.01), acridity taste(p<0.001), firmness, springiness, moistness, softness, and chewiness increased in accordance with levels of added Chinese artichoke powder. Overall acceptability showed that the sample containing 9% Chinese artichoke powder had the highest score (p<0.001). As a result, the optimal ratio of Chinese artichoke powder for white pan bread was determined to be 9%.
Lee Eung-Ho;Park Yeung-Ho;Pyeun Jae-Hyeung;Kim Se-Kweun;Yang Sung-Tack;Song Yeung-Ok
Korean Journal of Fisheries and Aquatic Sciences
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v.11
no.1
/
pp.25-37
/
1978
Since 1976 the catches of sardine increased rapidly in Korea. However due to the poor facilities of preservation, most sardine landed was used only for fish meal as feeds. The aims of this study are to investigate the processing of sardine as a protein. concentrate and to solve related problems under our particular circumstances. Using the ethyl alcohol and isopropyl alcohol, the storage effect for further processing, the optimum processing conditions of sardine protein concentrate and amino acid composition of the product were determined. The utilization of sardine protein ,concentrate as a supplement of bread and noodles was also studied. Chopped sardine meat could be stored in isopropyl and ethyl alcohol without significant deterioration as a raw material for tile further processing. High qualify sardine Protein concentrate could be produced by the method, that is five times five minutes extraction with isopropyl or ethyl alcohol at $80^{\circ}C$ under adequate mixing. In the first step of the extraction, the solvent was added as much as 10 times tile sample amount and the equal volume of additional solvent was also used for the second to fifth step extraction. In the products extracted using isopropyl alcohol and ethyl alcohol, the yields of sardine protein concentrate were $21.2\%$ and $20.3\%$ respectively, and the dry basis contents of protein in the two products were $80.5\%$ and $75.8\%$, the lipid being $0.22\%$ and $0.27\%$ respectively. Isoproyl alcohol was superior to superior alcohol for the extraction of fresh sardine. In amino acid composition of sardine protein concentrate, no difference was found between the products of isopropyl and ethyl alcohol extraction except a little difference in the amount of amino acid between them. In the supplementation of bread and noodles, taste panel showed that supplemented bread and noodles were well accepted when $3\%$ of wheat flour was replaced by sardine protein concentrate.
The objective of the study was to define dietary patterns in the representative Korean adult population and to explore their associations with other factors. The Korean National Health and Nutrition Survey was conducted on a stratified random sample (n = 9,968) of the Korean population in 2001. This study analyzed data of 5,721 adult population aged 30 and over. Demographic and lifestyle factors were assessed by questionnaires and food consumption by a 24-h recall method. Cluster analysis identified two dietary patterns with 22 food groups: the larger group that included $85\%$ of total subjects was named as the 'traditional' pattern due to greater intakes of white rice, kimchi, and vegetables, and the smaller group was named as the 'modified' pattern which had greater intakes of noodles, bread, snack, and fast foods. The modified pattern had significantly higher proportion in younger age, higher educational level, residing in metropolitan area, and higher household income. The modified group showed significantly higher intake of all nutrients except carbohydrate. Percent of energy from fat intake, $22\%$ was significantly higher in the modified group than $14\%$ in the traditional group. There were no differences in prevalence of metabolic syndrome and its 5 components among patterns. In conclusion, there were two distinctive patterns that were associated with socio-demographic, nutrient intake, and health risk factors in Korea. It should be considered when designing nutrition policy and intervention program.
This study aims to increase the flavor of a lamb filet dish. The method used was as follows. Four kinds of crusts(mustard, herb & garlic, nuts, mushrooms) were made, and they were topped over lamb filet steaks. After cooking them, the good samples (mustard(MU3), herb & garlic(HG2), nuts(NC2), mushrooms(MC3)) by different materials through a sensory test were classified The selected samples were named as 1. Blank, 2. ECl(MU3), 3. EC2(HG2), 4. EC3(NC2), and 5. EC4(MC3). And then another sensory test was conducted targeting the samples to find out which crust had the best preference value. The results of the sensory test were statistically calculated Summarizing the results, all 4 kinds of samples topped with 4 different crusts showed much higher values than Blank, the control group. That indicates that the cooking method topping a crust on a lamb filet steak dish is very effective. Among them, the HG2 sample produced by mixing 70% of bread crumbs(115.5g) and 30% of garlic chop(49.5) with the base spice consisting of parsley 8g, rosemary 3g, basil 4g and olive oil 50g was evaluated as the best crust.
Sorbic acid and potassium sorbate are widely used food additives with high efficiancy and they are approved and recommended by FAO and WHO. Sorbic acid is one of preservatives that is mostly used in general food. Sorbic acid and potassium sorbate are used to prevent food, such as cheese, bread, beverage, and so on, from staling and molding. The world market for sorbic acid and potassium sorbate is growing and the market in Asian region is also expected to grow rapidly. This study was carried out to measure the amount of the sorbic acid in cooked meat produced from meat processing plants in Gyeongbuk province during 2000∼2003. One thousand one hundred and thirty-five samples of cooked meat(430 spices added meats, 486 grinding cooked meats, 3 bacons, 23 jerked meats, 68 sausages, 125 hams) were collected from meat processing plants and analyzed for the concentration of preservative sorbic acid by using of high performance liquid chromatography(HPLC). Sorbic acid was not detected in spices added meats, grinding cooked meats and bacons, except on jerked meats, ham and sausage. But the concentration range of sorbic acid in jerked meat was 0.00∼1.5g/kg, average 0.37g/kg, and in sausage was 0.00∼1.31g/kg, average 0.53g/kg, and in ham was 0.00∼ 1.22g/kg, average 0.56g/kg. There was no sample that sorbate concentration exceeded the legal permitted level 2.0g/kg in cooked meat.
Protein content and amino acid composition of three prospective Korean wheat varieties (Youngkwang, Wonkwang and Chokwang) were studied from the viewpoint of baking performance. 1. Protein contents of Korean varieties were Less than 10% which were relatively lower than the U. S. baking standard. These levels were considered insuffcient for best baking performance. 2. Compared to U. S. baking standard, Korean wheat varieties showed slightly lower level of glutamic acid, which is considered to play an important role in baking performance of flour. Approximately 25% decrease in glutamic acid content was observed in Korean varieties when the absolute amount of glutamic acid per unit sample size was compared. 3. Korean wheat varieties showed similar levels of proline and cystine, slightly higher levels of lysine, ammonia and aspartic acid; and slightly lower level of essential amino acids compared to the U. S. baking standard. 4. Protein content and amino acid composition of Korean wheat varieties were considered to be intermediate of U. S. baking and cookie standards. From this viewpoint, Youngkwang showed the greatest potential for best baking performance among Korean varieties.
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