Jung, Kyung-Mi;Park, Sung-Gi;Lee, Youngsuk;Kim, Soo Rin
Journal of the East Asian Society of Dietary Life
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v.27
no.5
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pp.521-528
/
2017
In this study, peach powder-added chocolate and chocolate-covered freeze-dried peach snack were developed, and their physicochemical and bioactive properties were characterized. To make the chocolate, 0~15% of peach powders made of Fantasia cultivar were used. To make freeze-dried peach snack, three types of peach cultivars were tested: Mihwang, Kanoiwa Hakuto, andFantasia. In the case of chocolate, sugar content increased and pH decreased as peach powder content increased. Upon 15% peach powder addition, chocolate showed significant increase in flavonoid content and reducing power. In the case of freeze-dried peach snack, phenol content and antioxidant activity were significantly high in the Mihwang cultivar among the three types of peach cultivars tested. These results can be applied to the development of new food products using peach while maintaining its original physicochemical and bioactive properties.
Guk has been a very important part of the Korean table service for a long time. To study the historical transition of traditional Guk, an analysis of old cookbooks from the Chosun dynasty ($15{\sim}19C$) was conducted based on cooking science. The following is the results of 52 types of Malgunguk from representative old cookbooks such as Sangayorok (1450), Suunjabbang (early 1500s), Eumshikdimibang (1670), Jeungbosallimgyungje (1766), Gyuhabchongsu (1815), Juchan (mid 1800s), Sieuijunsu(late 1800s). The ingredients for Malgunguk contain 30, 35, and 12 types of animal foods, plant foods, and seasonings, respectively. Fish and two to three meats are combined for the main ingredients of Guk, to harmonize the taste. Notably, deer and birds such as pheasants along with parts of beef (short ribs, marrow, Holdaegi) were used. Moreover, it is interesting to note that meat such as pork and chicken were favored to beef, which is contrary to preferences of today. There are only a few Malgunguks that have been passed down before the 16th century those after the 17th century have mostly been reported, but the ingredients have been simplified.
BACKGROUND/OBJECTIVE: As aging progresses, the number of patients with cognitive impairment also increases. Cognitive function is not generally correlated with diet, and there is debate over that association. Thus, the present study aimed to investigate the association between dietary intake and cognitive function among adults aged 50 years or older. SUBJECTS/METHODS: Between July 2017 and March 2018, 324 adults aged over 50 years from Gwangju Sun-Han hospital participated in a dietary survey. The frequency of food intake and related information were collected using a semi-quantitative food frequency questionnaire (SQ-FFQ) and determining the mini-mental state examination (MMSE) level for 276 participants. The association between dietary intake and cognitive function was assessed by performing logistic regression analysis. RESULTS: Depending on the MMSE score, the participants' age, education level, inhabitation status, medications, alcohol consumption, sleep duration, physical activity, and short geriatric depression scale score were significantly different (P < 0.05). Moreover, those participant characteristics were associated with either decreased or increased odds ratios (OR) for the risk of mild cognitive impairment (MCI). Based on analysis of the participants' intake of 112 detailed food items, which were categorized into 20 food types, intakes of cooked white rice (< 2 times/day compared with ${\geq}3$ times/day) (P < 0.05), properly cooked rice with other grains and legumes (P < 0.001), fruits (P < 0.05), milk (low fat and normal) (P = 0.044), liquid-type yogurt (P = 0.019), and curd-type yogurt (P = 0.015) were found to significantly decrease the OR for the risk of MCI. CONCLUSIONS: Associations were significant between the risk of MCI and the intake of certain food types. Specifically, a moderate intake of cooked white rice and an adequate intake of whole grains, fruits, milk, and dairy products were associated with reduced risks of MCI among adults aged over 50 years.
Jeong, Goun;Park, Sung Won;Lee, Yeon Kyung;Ko, Sun Young;Shin, Son Moon
Clinical and Experimental Pediatrics
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v.60
no.3
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pp.70-76
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2017
Purpose: This study investigated self-food restriction during breastfeeding, reviewed the literature showing the effect of maternal diet on the health of breast-fed infants, and explored the validity of dietary restrictions. Methods: Questionnaire data were collected from breastfeeding Korean mothers who visited the pediatric clinic of Cheil General Hospital & Women's Healthcare Center from July 2015 through August 2015. The survey included items assessing maternal age, number of children, maternal educational attainment, household income, degree of difficulty with self-food restriction, types of self-restricted foods, dietary customs during breastfeeding, and sources of information about breastfeeding. Results: The questionnaire was completed by 145 mothers. More than a third (n=56, 39%) had discomfort from and usually avoided 4-5 types of food (mean, 4.92). Mothers younger than 40 years had more discomfort (odds ratio [OR], 12.762; P=0.017). Primiparas felt less discomfort than multiparas (OR, 0.436; P=0.036). Dietary practices were not influenced by maternal educational attainment or household income. The most common self-restricted foods were caffeine (n=131, 90.3%), spicy foods (n=124, 85.5%), raw foods (n=109, 75.2%), cold foods (n=100, 69%), and sikhye (traditional sweet Korean rice beverage) (n=100, 69%). Most mothers (n=122, 84.1%) avoided foods for vague reasons. Conclusion: Most mothers restricted certain foods unnecessarily. Literature review identified no foods that mothers should absolutely avoid during breastfeeding unless the infant reacts negatively to the food.
A growth experiment was conducted to evaluate the nutritivie values of supplemental lysine and methionine in broiler chicks. Two types of L-lysine, liquid and powder type, and DL-methionine were added to the diets at different levels of dietary protein with two growth phases, 0-3 weeks and 4-6 weeks named starter and grower, respectively. Six hundred seventy two chicks were allotted in 14 treatments; 3 controls by dietary CP level (starter-grower) with CP 23-21%, CP 21-19% and CP 20-18, 8 groups of liquid and powder lysine supplementation of 0.1, 0.2, 0.3 and 0.4%, and 3 groups of lysine and methionine supplementation. Body weight, feed intake, and excreta were measured and analyzed to determine growth performance, amino acid digestibilities, and the quantity of excreted nitrogen in feces. Chicks fed CP 23-20 with 3,200 ME kcal showed significantly better growth performance than those fed CP 21-18 for 6 weeks. The supplementation of 0.2% of either type of lysine to CP 21-19 diet improved weight gain and feed efficiecy to the extent that CP 23-21 diet was fed. Physical type of lysine did not affect chick's growth and amino acid digestibilities of the diets. The level of CP in the diet significantly affected nitrogen excretion in feces. Supplementation of lysine and methionine to CP 21-18 diet reduced fecal nitrogen by 10% compared to CP 23-21 diet. It was confirmed that 0.2% of supplemental lysine to the broiler diet spared the dietary protein by 3%, and also reduced nitrogen excretion in feces by 10%.
We investigated the effects of dietary supplementation of two types (powder or liquid) of propolis on innate immunity and disease resistance of olive flounder Paralichthys olivaceus against Edwerdsiella tarda. A total of 600 fish averaging 30 g were randomly distributed into 24 tanks in groups of 25. Three tanks were assigned to each of eight experimental diets: 0 (Control), 0.25, 0.5, 0.75 and 1 % propolis in powder form and 0.25, 0.5 and 1 % propolis in liquid form (PP0.25, PP0.5, PP0.75, PP1, LP0.25, LP0.5 and LP1, respectively). Fish were fed each experimental diet twice daily for four weeks to apparent satiation. At the end of the feeding trial, lysozyme and myeloperoxidase activities and total immunoglobulin level were significantly higher in fish fed the PP1 and LP0.5 diets compared to those fed the control diet. The PP1 diet was also associated with a significant increase in anti-protease activity compared to the control diet. After challenge with E. tarda, fish fed the LP0.5 diet showed numerically higher survival compared to the other groups. This study indicates that non-specific immune responses of olive flounder can be enhanced by dietary supplementation with powder and liquid forms of propolis, and that the optimal level would be 1% in powder form or 0.5% in liquid form. It seemed that growth performance and feed utilization are not affected by the propolis supplementation in diets for olive flounder.
This study surveys the state of 'children's snacks' sold within the Green Food Zone and that of High Calorie Foods with Low Nutrition Value (HCFLNV). The main purposes are the analyses of foods in accordance to KFDA Program for HCFLNV and an analysis of differences in HCFLNV that are dependent on relevant factors such as food types, school types, origins, the scale of manufacturing company, area and price. Based on the analyses, educational and political implications have been sought that will form nutritious dietary habits, contribute to the prevention of obesity, and improve health in child consumers. The methodologies of this study are literature studies and surveys. The results of this study can be summarized as following. First, the number of children's snacks is 517 items of total 645 gathered within 150 Green Food Zones. Candies are the most popular item, next are cookies, chocolates, and breads. Second, in the real state survey there are 186 HCFLNV (36.0%) among children's snacks sold within Green Food Zone. Based on the survey results, the marking of HCFLNV on the package of children's snacks and the extension of the ban of HCFLNV sales to all stores within the Green Food Zone are strongly suggested. This provides preliminary data related to children's snacks and food safety. With enforcement of the Special Act on the Safety Management of Children's Dietary Life, the rate of HCFLNV has decreased and the child snack product environment in stores has improved. However, it is necessary to supervise low-priced snacks and promote an awareness of HCFLNV along with the child consumer education of food safety is needed.
Kim, Kang-Woong;Kim, Kyoung-Duck;Son, Maeng-Hyun;An, Cheul-Min
Journal of Fisheries and Marine Sciences Education
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v.23
no.3
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pp.461-467
/
2011
This experiment was conducted to determine the each level of a newly developed squid liver powder (SLP) as a dietary protein source replacing fish meal (FM) in juvenile flounder. A diet excluding SLP (FM diet) and a commercial diet were two control diets. Six experimental diets were formulated to replace FM with three types of SLP at 5 and 10% level, respectively (SLP-A5, SLP-A10, SLP-B5, SLP-B10, SLP-C5, SLP-C10). Prior to the start of a feeding trial, fish were fed the commercial diet for 1 week to adjust to the experimental conditions. Fish with average weight of $22.8{\pm}0.40g$ ($mean{\pm}SD$), were randomly distributed to each aquarium as groups of 20 fish and fed the experimental diets in triplicate at satiation for 8 weeks. After 8 weeks, weight gain and specific growth rate of fish fed SLP-C10 was lower than those of fish fed FM diet and SLP-B5. Meanwhile, no significant difference was observed in WG and SGR among fish fed diets excluding SLP-C10. Feed efficiency (FE) and protein efficiency ratio (PER) of fish fed each level of three types of SLP were not different from those of fish fed FM diet. However, fish fed SLP-C5 and SLP-C10 has lower FE and PER than those of fish fed a commercial diet, SLP-A5 and SLP-B5. Therefore, these results indicate clearly that dietary SLP-B could be a good protein source to develop inexpensive commercial diet in juvenile flounder.
This study aimed to evaluate the effects of dietary supplementation with two different types of hydrolyzed blood meal (HBM) on the growth performance, feed utilization, digestibility and innate immunity of olive flounder Paralichthys olivaceus. A control diet (Con) consisting of 60% fish meal was formulated and four diets containing two different types of HBM at varying concentrations were prepared 2.5 and 5.0% liquid HBM (L2.5 and L5.0) and 0.5 and 1.0% powdered HBM (P0.5 and P1.0). A total of 450 olive flounder (average body weight: 50±0.07 g) were distributed in 15 tanks (240 L), with three replicate groups per diet. The fish were fed the diets to apparent satiation for 9 weeks and subsequently exposed to Edwardsiella tarda. The results showed that fish fed L2.5, L5.0 and P0.5 diets exhibited significantly higher lysozyme activity compared to those fed the Con and P1.0 diets. During the challenge test against E. tarda, the L5.0 and P0.5 fish groups exhibited higher disease resistance than that of the Con group. These findings indicate that dietary supplementation with HBM could positively effect the innate immunity and disease resistance of olive flounder.
Yadav, Sanjay;Pathera, Ashok K.;Islam, Rayees Ul;Malik, Ashok K.;Sharma, Diwakar P.
Asian-Australasian Journal of Animal Sciences
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v.31
no.5
/
pp.729-737
/
2018
Objective: Effect of addition of wheat bran (WB) and dried carrot pomace (DCP) on sensory, textural, colour, physico-chemical and nutritional characteristics of chicken sausage were evaluated. Methods: WB and DCP were used as a source of dietary fibre at 3%, 6%, and 9% level individually. Different quality attributes of sausages were estimated. One product from each source with very good sensory acceptability was selected to analyze dietary fibre content and shelf life under refrigerated storage. Results: Sensory acceptability of 3% fibre enriched sausage was comparable with control and a further increase in fibre level resulted in a decrease in sensory acceptability. Fibre enriched sausages were significantly harder and less cohesive than control sausage. Significant increase in gumminess and chewiness was observed at 6% level in WB treated sausages and 9% level in DCP treated sausages. Moisture content decreased significantly in all treated sausages, protein content decreased significantly in DCP-2 and DCP-3 sausages while fat content decreased in all WB and DCP-3 treated sausages in comparison to control. The fibre enriched sausage had significantly higher dietary fibre and lower cholesterol content. Cooking yield and emulsion stability increased in treated sausages and a significant difference was noticed at 6% level in both types of sausages. pH of WB treated sausages was significantly higher and DCP treated sausage significantly lower in comparison to control. Conclusion: The results of present study indicate that fibre enriched chicken sausage with moderate acceptability can be developed by incorporating WB and DCP each up to 9% level. Chicken sausage with very good acceptability, higher dietary fibre content and storability up to 15 days at refrigerated temperature can be developed by incorporating WB and DCP at 6% level each.
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