The effects of substituting whey protein concentrate (WPC) powder for rice flour in the preparation of seolgiddeok were determined by objective and subjective tests. Milk whey is drained from milk curd as a by-product of the cheese manufactureing process. Whey protein is known as a good nutritional source and is a functional material for many processed foods. WPC contains more than 80% whey protein. The moisture content decreased gradually during storage and the decrease in moisture was less in the control than in the WPC powder substituted groups. The color lightness (L) decreased significantly as the amount of WPC powder increased, wherease redness (a) and yellowness (b) both increased. Texture analyses revealed that the hardness, chewiness, gumminess and adhesiveness of seolgiddeok tended to increase in proportion to the amount of WPC powder in the formula. Seolgiddeok gelatinization was investigated by amylographing. Initial pasting temperature, peak viscosity, hot pasting viscosity and breakdown were low in seolgiddeok prepared with WPC powder substituted for rice flour. Setback had the lowest value in the control. Sensory evaluations revealed that, seolgiddeok prepared with 3% WPC powder had the highest overall acceptability score. These results indicated that WPC seolgiddeok with 3% WPC powder has the best quality.
The purpose of this study was to get adequate substitute snacks for atopic dermatitis children. For this purpose food preference was surveyed by questionnaires to atopic dermatitis children in the kindergarten of Incheon area. As a result, anthropometric measurements were not significantly different by gender Most of atopic children were severe malnutrition by Rohrer index average 1.375. $13.3\%$ of atopic dermatitis started during newborn baby. $62.3\%$ of atopic dermatitis symptom started from 7 months to 3 years old. $48.9\%$ of atopic children didn't know the causes of the symptom. Though parents didn't thought instant/retort food, fried food, egg, snacks, milk were good for atopic dermatitis, they have offered egg, milk, meat, mackerel to their atopic dermatitis children for growth. Snacks of atopic dermatitis children were positively correlated between children's eating and favorite snacks(r=0.84), children's eating and parents' wishing snacks (r=0.615) and children's favorite and parents' wishing snacks(r=0.23). Therefore $83.7\%$ of atopic dermatitis children and their parents wanted reliable processed foods, $83.3\%$ of them despite high cost.
The effects of substituting whey protein isolate (WPI) powder for rice flour during the preparation of paeksulgi (Korean rice cake) were evaluated by objective and subjective tests. Milk whey is drained from milk curd as a by-product of the cheese manufacturing process. Whey protein is known as a good nutritional source and a functional material for many processed foods. WPI contains more than 90% whey protein. The moisture content decreased gradually during storage and the decrease was less in control than WPI powder-substituted groups. The color lightness (L) decreased significantly with increasing WPI powder, wherease the redness (a) and yellowness (b) both increased. Texture analyses revealed that the hardness, chewiness, gumminess, adhesiveness and fracturability of paeksulgitended to increase in proportion to the amount of WPI powder added. Evaluation of the gelatinization of paeksulgi by amylographing revealed that the initial pasting temperature, peak viscosity, hot pasting viscosity and breakdown was lower in samples that contained WPI powder. However, the lowest setback value was observed in the control. The results of the sensory evaluation indicated that paeksulgi prepared with 2% WPI powder had the highest overall acceptability. Taken together, these results suggest that WPI paeksulgi containing 2% WPI powder has the best quality.
This study compared the college students' dietary behavior for processed foods, who will be the main consumers in the future and looked for the measures to understand and establish the right food labeling system by surveying the level of understanding and utilization of food labeling. The data was analysed by SPSS win 17.0 program, and the results are as follows. For the standard of selecting processed foods, the group with high nutrition knowledge considered the reliability of foods as important and the group with low nutrition knowledge considered the products introduced in TV commercial as important. When purchasing processed foods, the group with high nutrition knowledge considered nutrition, taste, price, appearance(shape), and the consumable period more than the group with low nutrition knowledge. For trans fat, the group with high nutrition knowledge learned more about it than the group with low nutrition knowledge. The ratio of confirming food nutrition label was higher in the group with high nutrition knowledge. Regarding the level of confirming individual food labels, the highest level was for milk and dairy products. And there was significant difference for the processed products of meat, cookies, bread and noodles. It was found that the level of confirmation was higher in the group with high nutrition knowledge. And the most important indication for individual food product was the consumable period. To preserve the purchased foods, the group with high nutrition knowledge preserve the foods in line with the description written on the food cover sheet, and this group used to return or exchange the products when they found them spoiled or purchased by mistake. The group with high nutrition knowledge knew more about the nutrition indication than the group with low nutrition knowledge. The necessity of nutrition indication for processed foods and the need of education and PR(Public Relation) were acknowledged higher in the group with high nutrition knowledge. For the effect of nutrition indication, it showed that the group with high nutrition knowledge thought it would improve the quality and the group with low nutrition knowledge thought it would be helpful when comparing the product with others. The group with high nutrition knowledge showed higher understanding level about nutrition indication than the group with low nutrition knowledge.
The purpose of this study was to utilize the results as a basic data of benzoic acids in animal products that didn't mention in the quality standard of National Veterinary Research and Quarantine Service (NVRQS) to solve the conflict of international trade and administration. Set-Pak method listed in the quality standard of NVRQS, faster than auto distillation methods with same recovery selected as a pre treatment for the determination of benzoic acid. The regression curve of benzoic acid with Sep-Pak method was linear with the $R^2$ value of 0.999 and the limit of detection (LOD) and limit of quantitation (LOQ) was 0.058 mg/kg and 0.176 mg/kg, respectively. The benzoic acid in the fermented milk was detected after the fermentation stage by addition of starter culture with the level of 2.28~10.48 mg/kg and 0~16.5 mg/kg in the commercial fermented milk products without detection by the addition of syrup. In case of cheese products, the benzoic acids level was influenced by the curd formation (Camembert cheese) and the quality of natural cheese (processed cheese), by the way, the benzoic acid level of commercial natural cheese was 0~4.2 mg/kg, processed cheese was 0~20.8 mg/kg, respectively. Based on this result, it may be possible to utilize as a basic data for the systematic control the level of natural benzoic acids in raw material, processing and final products of animal origin.
This study was performed to investigate the dietary habits, nutrient intake, and health status and to explore the relationship between dietary habits and health status in the middle-aged men and women. The subjects consisted of 220 men and 220 women aged 40-59 years old. Dietary habits and nutrient intake were assessed by self-administered questionnaire and 24 hours dietary recall method by personal interview. Percent of body fat, serum cholesterol, and serum triglyceride level were measured. The middle aged adults who had breakfast and meals irregularly were more than 60% of the study subjects. The middle aged men had meals habits significantly more irregularly than the middle aged women. The middle aged men had high fat meat intake more frequently than the middle aged women. The middle aged men had significantly high energy and protein intake more than the middle aged women but the middle aged women had significantly high carbohydrate intake more than the middle aged men and tended to consume milk higher than the middle aged men. The middle aged adults who had high body fat tended to overeat food, to have high fat meat and processed food intake more frequently than those who had low body fat. The middle aged adults who had high serum cholesterol and triglyceride level tended to overeat food and to have processed food intake more frequently than those who had low serum cholesterol and triglyceride level. The middle aged adults who had regular meals habits. tended to have low serum triglyceride level than those who had irregular meals habits.
The imitation processed cheese (IPC), formulated with delactosed non fat dry milk (DENFDM) only, showed the smallest melting area. Calcium caseinate sample showed the largest spread. Satistically protein source as a major ingredient for the IPC yielded significantly different melting areas. In a similar fashion, initial melting temperature was markedly and significantly influenced by protein source. In effect of addition of DENFDM on microstructure of IPC analog revealed that as the fraction of DENFDM was decreased, the network was much more uniform and the fat globules were also better dispersed compared to DENFDM cheese analog. Therefore the results of this study help predict that melting and microstructural characteristics are largely but not solely dependent on the protein source. The DENFDM has a potential beneficial effect as a partial replacement of caseinate in the formation of IPC to characteristic close to processed cheese.
This study was conducted to research the differences in food ingredients in the ancient Israelite period in the books of Moses, including the books of Geneses through Deuteronomy, in the Old Testament written during B.C $1446{\sim}1406$. The books introduced various foods in daily life, such as seven kinds of fruits and nuts, thirteen kinds of vegetables and grains, twelve kinds of meats, six kinds of breads and cookies, five kinds of drinks, thirteen kinds of spices, and five kinds of processed foods like butter and oil. The foods were sharply distinguished between the clean (able to eat) and the unclean (unable to eat) in the aspect of food culture. For example, foods with blood were not allowed to be eaten. At that time, bread was a staple food in Israel. There were already standard recipes for baking cookies, and appliances such as frying pans and ovens to bake bread were available. Most of the recipes in the books were the same as modern recipes, especially for wine, grape juice and raisins. Also it seems there were various spices already in use at that time, as well as processed foods made from milk.
Proceedings of the Korean Society of Crop Science Conference
/
2023.04a
/
pp.142-142
/
2023
Cowpea(Vigna unguiculata L. Walp) has excellent physical properties and texture of starch, so it is mainly used in various ways for songpyeon sediment, rice-cake paste, and porridge. To utilize it as various processed products such as songpyeon sediment and cowpea milk, 'Okhyun', which has green cotyledons and black seed coats and can be harvested by combine was developed. A cowpea variety 'Okhyun' was improved from the cross between IT145379 and IT208081 at the JARES in 2022. 'Okhyun' has an erect plant with an intermediate plant habit, a light purple-colored corolla, and heart-shaped leaflets. 'Okhyun' has green cotyledons and black seed coats, and has straight black brown pods when mature. The stem length of 'Okhyun' is 47cm, and the weight of 100-seed weight was 12.9g, which was lower than the control variety 'Okdang'(16.6g). 'Okhyun' contains 25.8mg/100g of anthocyanin, 279mg/100g of total polyphenols, and 335mg/100g of total flavonoids, respectively. The average yield of 'Okhyun' was 1.97ton per hectare, 11% higher than that of the control cultivar 'Okdang'. 'Okhyun'' does not require the installation of an espalier-net net, so it is possible to harvest with a combine. In addition, 'Okhyun' variety with green cotyledons and a black seed coat is expected to contribute to developing regional specialties and various processed products.
This study was carried out to investigate the nutrition knowledge, dietary attitudes, and dietary habits of girl's high school students in Kunsan, and to investigate their recognition of food-nutrition labeling. The results are summarized as follows. General nutrition knowledge is relatively low, with an average of 0.57. It was shown that high school female students skipped breakfast rather than lunch or dinner, with a skipping rate of 28.9% for breakfast, 0.7% for lunch, and 8.6% for dinner. Regarding snacks, 35.5% of all the surveyed students had 1 snack per day, with 31.9% having them between lunch and dinner. The most popular snacks include biscuits (22.3%), noodles (18.3%) and bakery (13.3%). The most popular response was that students 'sometimes checked' the food label of processed domestic and imported processed food. The level of satisfaction with food labels is moderate, with an average of 2.96, out of 5. The most satisfactory title about food labels was 'helpful for food selection' with 3.19. On the other hand, the least satisfactory title was 'understands the label' with 2.78. Regarding the identification of the nutrition labeling, the highest response was 'sometimes watched, sometimes not' with 40.5%. Products which were most often checked were milk/milk products (3.44), snacks/bread (3.33), and soft drinks (3.07). Among nutrition labeling items, total calories was the most important, followed by fat, carbohydrate, cholesterol and calcium. The question regarding the knowledge of nutrition labeling rated an average of 0.58 (out of 1). There was a significant positive correlation between the degree of the nutrition label verification and the dietary attitude score, along with the nutrition labeling knowledge and the nutrition knowledge score of the subjects. On the other hand, the degree of the nutrition label verification and the knowledge on nutrition labeling had a significant negative correlation. Hence, it is of the opinion that education on properly reading nutrient information is necessary to enable adolescents to apply that in real life. Furthermore, labeling nutritional information on processed fred through a more comprehensive method is deemed necessary as a supporting measure.
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