• 제목/요약/키워드: Food source

Search Result 2,555, Processing Time 0.025 seconds

Influence of Dietary Protein Source and Level on Lead Accumulation in Rat (단백질 급원과 수준을 달리한 식이가 흰쥐의 납축적에 미치는 영향)

  • 김옥경
    • Journal of Nutrition and Health
    • /
    • v.19 no.3
    • /
    • pp.211-223
    • /
    • 1986
  • In this experiment forty-eight Sprague Dawley male rats were chosen and used in order to measure the growth rates and to see the effects of lead acumulation in their organs resulting from variously controlled lead protein diet. Protein sources were casein and isolated soyprotein (ISP), and each source was divided into three groups : 7% low protein [LP], 20% standard protein (SP) and 40% high protein (HP) groups. The six experimental groups were given lead acetate(25 mg/kg B.W.) and six control groups were given sodium chloride by oral administration 6 times a week for weeks. The results from this experiment were summeraized as following ; 1) Food consumption, weight gain, organ weight and food efficiency ; Lead acetate administration with protein source had no effects on food consumption, weight gain and organ weight . By their different levels of protein, food consumption of LP group was less the that of SP and HP groups after 3 weeks, weight gain of LP group was less than that of SP and HO groups after 1 weeks. The organ weight in LP group was significantly lower than SP and HP groups except teeth and adrenal s. Effect of lead acetate administration on food efficiency have significantly lower in LP-ISP diet and HP -casein diet than other groups only first week. By their different levels LP group showed significantly lower than SP group until 3 weeks. 2) Hematopoietic effect ; The hematopoieteic effect was not influencec by lead acdtate administration and protein source. But the LP group showed a significantly lowe hematopoietic effect than the SP, HP, groups. 3) Accumulation of lead in the liver, kidney, teeth by protein source showed no significantly differences. Accumulation of lead in blood, heart of LP group, spleen of LP and HP groups. femur of SP and HP groups fed with casein diet groups were significantly higher than fed with ISP diet groups. By their different levels of group showed generally higher than SP and HP groups. But accumulation of lead in teeth of HP group was high also.

Revision and Application of the Target Pattern in Food Guidance System - Administered to 2nd grade middle school students - (권장식사패턴의 수정안 고안 및 적용 - 중학교 2학년 남녀 학생의 식단계획 작성 및 평가 -)

  • Lee, Ha Yeon;Kim, Youngnam
    • Korean Journal of Community Nutrition
    • /
    • v.19 no.3
    • /
    • pp.274-282
    • /
    • 2014
  • Objectives: The objective of this study was to revise the target pattern in food guidance system for adolescents' balanced menu planning. Methods: The food groups in the target pattern were divided into detailed food items, and intake number were assigned to each food items based on the revised standard food composition table. The validity of revised target pattern was examined. Menu planning according to the revised target pattern was made available to 305 male and female middle school students and the nutritional assessment of the menu plan were carried out using SPSS WIN 12.0. Results: The energy contents, energy contribution ratios of carbohydrate, fat, and protein, and 4 minerals' and 6 vitamins' contents of the revised target pattern were adequate. The average energy contents of the menu planned according to revised target pattern were 400~500 kcal higher than that of the revised target pattern when the revised standard food composition was applied. The energy contribution ratios of fat were 28.9%, close to maximum of acceptable macronutrient distribution range (AMDR) (30%), and that of carbohydrate were 54.5%, lower than minimum of AMDR (55%). The nutrient adequacy ratios (NARs) of calcium and vitamin C were less than 1.0. According to index of nutritional quality (INQ) of food items, kimchi, milk dairy products, and soybean curd were energy efficient source for calcium, kimchi, fruit, vegetable and seaweed were energy efficient source for vitamin C, with INQ of food items were higher or close to 2.0. Kimchi was the best energy efficient source of calcium and vitamin C. Conclusions: Revised target pattern based on the adolescent's foods intake was not good enough for balanced menu planning by adolescents, because what they ate and what they wanted to eat were very much different. Detailed guidance for food selection is necessary in each food items.

Edible Insects as a Protein Source: A Review of Public Perception, Processing Technology, and Research Trends

  • Kim, Tae-Kyung;Yong, Hae In;Kim, Young-Boong;Kim, Hyun-Wook;Choi, Yun-Sang
    • Food Science of Animal Resources
    • /
    • v.39 no.4
    • /
    • pp.521-540
    • /
    • 2019
  • This review summarizes the current trends related to insect as food resources among consumers, industry, and academia. In Western societies, edible insects have a greater potential as animal feed than as human food because of cultural biases associated with harmful insects, although the abundant characteristics of edible insects should benefit human health. Nevertheless, many countries in Asia, Oceania, Africa, and Latin America utilize insects as a major protein source. Using insects can potentially solve problems related to the conventional food-supply chain, including global water, land, and energy deficits. Academic, industry, and government-led efforts have attempted to reduce negative perceptions of insects through developing palatable processing methods, as well as providing descriptions of health benefits and explaining the necessity of reducing reliance on other food sources. Our overview reveals that entomophagy is experiencing a steady increase worldwide, despite its unfamiliarity to the consumers influenced by Western eating habits.

Dietary Behavior and Food Intake of Korean Farmers in Relation to Farmers' Syndrome and Gastro-Intestinal Problem

  • Rhie, Seung-Gyo;Park, Yaungja
    • Journal of Community Nutrition
    • /
    • v.1 no.1
    • /
    • pp.44-51
    • /
    • 1999
  • The purpose of this study was to compare dietary behavior and food intake in relation to physical complaints, such as farmer' syndrome(FS) and gastro-intestinal(GI) problem among Korean farmers. The questionnaire was composed of 24 Cornell Medical Index (CMI), 8 farmers' syndrome, and 5 GI problem questions. Food intake data was gathered by the semi-quantitative food frequency method. The subjects(male 226, female 415) who had FS and Gi problem were 12./8% and 8.3%, respectively. The physical complaints were higher in female and the elderly group. In the FS group, lower activity was seen that in normal groups. The lower health status and fatigues were found in the physical complaint groups. Dietary behavior showed low appetite in the physical complaint group, irregular lunch in FS, and irregular breakfast in GI problem group. Changes in dietary behavior were shown in the aspects of lower amount of intake quantity(40.8%), lower consumption in fat(32.8%) and salty(38.8%) foods, and diverse food items(47.8%). Quantity of food consumed was significantly different withing groups with FS. Kinds of food consumed, intake of protein source foods, milk and calcium and total animal foods were lower in the FS group. But milk and calcium source food and all animal food intakes were higher in the GID problem group. The results suggest that dietary behavior and food intake differ within the group of physical complaints.

  • PDF

An Investigation of Citizen's Attitude to the Treatment of Food Waste (음식물 쓰레기 처리에 관한 시민의식 조사)

  • 장성호;박진식
    • Journal of environmental and Sanitary engineering
    • /
    • v.14 no.2
    • /
    • pp.96-104
    • /
    • 1999
  • A questionary survey was conducted to investigate citizen's attitude to the treatment of food wastes in Miryang city. In this study, collection effectives was 87.8%, as 281 individuals among 320 individuals. After volume-base charge system, 86.8% of answers perform source separation and 60.9% of respondents separate everything of recycle goods. The majority of respondents discharge food waste using standard envelope. The biggest problems for deposition of the food wastes are offensive odor and worm for reasons of sanitation. Almost citizens think that the period of deposition suit from two days to three days. More than 90.0% of the citizens recognized that compost products made from food wastes and recognition of the people for the composting and composting facilities was affirmative. Majority of the respondents thought that the administration and the provincial government need activity publicity for the source separation fixations of the food wastes.

  • PDF

Fibrinolytic Enzyme Production by Bacillus subtilis KH-4 Isolated from Deonjang

  • Kim, J.M.;Suh, H.J.;Ahn, S.W.;Kim, M.S.;Oh, S.H.
    • Preventive Nutrition and Food Science
    • /
    • v.7 no.4
    • /
    • pp.417-420
    • /
    • 2002
  • A strong fibrin-specific fibrinolytic enzyme was produced from Bacillus subtilis KH-4 isolated from Deonjang, a Korean fermented soybean paste similar to Japanese miso. The addition of glucose as a carbon source resulted in the highest levels of caseinolytic and fibrinolytic activities. Likewise, the addition of yeast extract as the nitrogen source resulted in the highest caseinolytic and fibrinolytic activities (3473.2 unit and 47.4 munit, respectively), It was observed that out of all metal ion sources only calcium (chloride) enhanced caseinolytic and fibrinolytic activities, with increases of 4949.3 unit and 58.2 unit/mg, respectively. The optimal temperature for the production of the enzyme was found to be 4$0^{\circ}C$ in the optimal medium (glucose 20 g, yeast extract 5 g, CaCl$_2$l g, and NaCl 2 g). The maximum fibrinolytic activity was observed at the late stationary phase. B. subtilis KH-4 produced a fibrinolytic enzyme at 4$0^{\circ}C$, after 30 h growth, which increased up to 54 h and then remained constant. These results suggest that Deonjang has potential as a source of physiologically active anti-thromotic enzymes.

Antimicrobial Effect of Natural Medicines on Bacterial Species from Soybean Curd Residue

  • Kim, Seong-Sun;Jin, Yu-Mi;Jeon, Yong-Deok;Jin, Jong-Sik
    • Proceedings of the Plant Resources Society of Korea Conference
    • /
    • 2019.10a
    • /
    • pp.102-102
    • /
    • 2019
  • Soybean curd residue (SCR), known as a major waste product of soybean processing, is the water-insoluble fraction which is removed by filtration during soymilk production. For these reasons, SCR was usually considered as food waste. SCR might have a good potential as a functional food material, value-added processing and utilization. SCR contains high-quality protein and consists of a good source of nutrients, including protein, oil, dietary fiber, minerals, along with un-specified monosaccharides and oligosaccharides. Also, SCR might be a potential source of low cost protein for human consumption. However, SCR could be a source of bacterial contamination when during food processing. This study was aimed to investigate antibacterial capacity of natural product through detecting relationship between SCR and microbial. We isolated five bacterial strains from SCR and elucidated antibacterial activity of nature medicines to extend storage capacity of food made with SCR. Thus, the extract which showed antibacterial effects in Corynebacterium calloonae and Raoultella amithinolytica is a combination of seven kinds of extracts: Glycyrrhiza uralensis, Cudrania tricuspidata, Salvia miltiorrhiza Bunge, blueberry, Acorus gramineus, Ginkgo biloba L., Camellia sinensis. This study suggested that antibacterial activities of natural medicines could be used for extension of storage capacity in SCR-contained food.

  • PDF

The Changes of Energy Nutrient Intake, Frequently Consumed Dishes and Staple Food Consumption -Based on the First to the Forth(1998~2008) Korea National Health and Nutrition Examination Survey(KNHANES I~IV-2)- (한국인의 에너지 영양소의 섭취와 다소비 음식 및 주식류 섭취비율의 추이 -I기~IV기-2차(1998~2008) 국민건강영양조사 자료를 중심으로-)

  • Ahn, Eun-Mi;Kang, Min-Sook;Gong, Jung-Eun;Choe, Jung-Sook;Park, Young-Hee;Lee, Jin-Young;Kim, Haeng-Ran
    • The Korean Journal of Community Living Science
    • /
    • v.22 no.4
    • /
    • pp.669-678
    • /
    • 2011
  • The purpose of this study were to analyze the staple food consumption trend of Koreans using KNHANES(Korea National Health and Nutrition Examination Survey) data. Nutrient intake of 38,840 participants of 1998~2008 KNHANES, over 6 year old were analyzed. For the analysis of major staple food intakes, twenty four hour recall data was used. The results were analyzed by SAS Program, as follows. Despite westernized diet, ranking in the primary energy source of food showed similar patterns. But total calory intake was reduced over the past 11 years and percentage of carbohydrate intake was increased. Relative proportions of protein and fat intake was reduced. The major carbohydrate and protein source of Koreans was rice and grains. Pork and ramen were the major fat source food. Although intake levels were different by gender, age and areas, carbohydrate of rice was primary source of energy in Korea.

Enhanced Production of L-Aspartate ${\beta}-Decarboxylase$ by Nitrogen Source in Pseudomonas dacunhae

  • Kim, Dong-Chung;Lee, Sung-Dong;In, Man-Jin
    • Journal of Applied Biological Chemistry
    • /
    • v.49 no.3
    • /
    • pp.106-109
    • /
    • 2006
  • Improvement of L-asparate ${\beta}-decarboxylase$ production from Pseudomonas dacunhae ATCC 21192 was attempted by optimizing fermentation conditions. Optimum carbon and nitrogen sources for cell growth and enzyme production were determined. L-Glutamate (2%) was the most suitable carbon source, and D-glucose, D-glycerol and fumarate repressed enzyme production. Yeast extract (2%) was the most effective as nitrogen source. A slight change of pH to 6.5 from medium pH resulted in a meaningful increase in the production of enzyme. The production of the enzyme was highly improved by using 2% yeast extract and 2% L-glutamate in culture media. Maximum L-asparate ${\beta}-decarboxylase$ activity reached up to over 24 U/mL-broth by 15 h flask fermentation.