• Title/Summary/Keyword: nutritional content

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Physical and Sensory Properties of Rice Gruels and Cakes Containing Different Levels of Ginkgo Nut Powder (은행 분말을 첨가한 죽 및 떡의 물리적 및 관능적 특성)

  • Kim, Jung-Mi;Suh, Dong-Soon;Kim, Young-Suk;Kim, Kwang-Ok
    • Korean Journal of Food Science and Technology
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    • v.36 no.3
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    • pp.410-415
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    • 2004
  • Effects of ginkgo nut powder content on physical and sensory properties, and consumer acceptability of ginkgo nut gruel and cake were examined. In ginkgo nut gruel, greenness and consistency decreased, and sensory color intensity and ginkgo nut flavor increased with increasing ginkgo nut powder content. Consumer acceptability test indicated ginkgo nut powder : rice flour ratio at 4 : 6 had the highest overall and flavor acceptabilities. In ginkgo nut rice cakes, as ginkgo nut powder content increased, greenness, adhesiveness, sensory hardness, and cohesiveness of mass decreased, while sensory color intensity, ginkgo nut flavor, and chalkiness increased. Ginkgo nut cake with ginkgo nut powder : rice flour ratio at 16 : 84 had highest overall acceptability.

Effect of Growth Conditions on the Biomass and Lipid Production of Euglena gracilis Cells Raised in Mixotrophic Culture (Mixotrophic 배양조건에 따른 Euglena gracilis의 성장과 지질에 미치는 영향)

  • Jeong, U-Cheol;Choi, Jong-Kuk;Kang, Chang-Min;Choi, Byeong-Dae;Kang, Seok-Joong
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.1
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    • pp.30-37
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    • 2016
  • Microalgae are functional foods because they contain special anti-aging inhibitors and other functional components, such as ecosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and omega-3 polyunsaturated fatty acids. Many of these functional dietary components are absent in animals and terrestrial plants. Thus, microalgae are widely utilized in human functional foods and in the feed provided to farmed fish and terrestrial livestock. Many marine organisms consume microalgae, often because they are in an appropriate portion of the cell size spectrum, but also because of their nutritional content. The nutritional requirements of marine organisms differ from those of terrestrial animals. After hatching, marine animals need small live forage species that have high omega-3 polyunsaturated fatty acid contents, including EPA and DHA. Euglena cells have both plant and animal characteristics; they are motile, elliptical in shape, 15-500 μm in diameter, and have a valuable nutritional content. Mixotrophic cell cultivation provided the best growth rates and nutritional content. Diverse carbon (fructose, lactose, glucose, maltose and sucrose) and nitrogen (tryptone, peptone, yeast extract, urea and sodium glutamate) supported the growth of microalgae with high lipid contents. We found that the best carbon and nitrogen sources for the production of high quality Euglena cells were glucose (10 g L–1) and sodium glutamate (1.0 g L–1), respectively.

Effects of brewer's spent grain on the growth and nutrition of the giant mealworm beetle, Zophobas atratus

  • Kim, Sun Young;Kim, Hong Geun;Lee, Kyeong Yong;Ko, Hyeon-Jin;Kim, Nam Jung;Yoon, Hyung Joo
    • International Journal of Industrial Entomology and Biomaterials
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    • v.37 no.2
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    • pp.73-81
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    • 2018
  • The giant mealworm beetle, Zophobas atratus (Coleoptera: Tenebrionidae), is a tropical beetle. As this beetle can be used as an ingredient in animal feed, the effects of brewer's spent grain (BSG) on the development and nutritional value of Z. atratus were investigated. As results, there were no significant differences on the larval survival rate, body weight, and duration at different content of BSG, mixed with conventional feed, wheat bran (WB). Based on these results, BSG can be mixed with wheat bran as a Z. atratus food ingredient without any problems. The nutritional value was compared between 100% wheat bran control and 50% BSG experimental groups. The moisture, crude protein, carbohydrates, and amino acids were 1.1-1.4 times higher in the 50% BSG group. In the BSG group, the linoleic acid content was 1.6 times higher than that in the control group. In the wheat bran group, the oleic acid content was 38.4%, which was 1.3 times higher than that in the BSG group. As minerals, the control and BSG groups showed high potassium and phosphorus contents. In terms of hazardous materials, four heavy metals (lead, mercury, arsenic, and cadmium) and two microorganisms (Escherichia coli and Salmonella spp.) were not detected. There were no significant differences in developmental characteristics between the wheat bran and BSG mixed groups, and the nutritional values were better in the BSG mixed group. Therefore, BSG can be used as alternative food source for rearing Z. atratus.

Nutritional and Sensory Quality of Prepared Tomato (Solanum lycopersicum) Leather

  • Chhetri, Arun Jung;Dangal, Anish;Shah, Rajesh;Timsina, Prekshya;Bohara, Ebika
    • Analytical Science and Technology
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    • v.35 no.4
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    • pp.169-180
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    • 2022
  • Tomato has a limited shelf life and is highly perishable due to its high moisture content. As fruit leather, is a traditional food of Nepal, it can be beneficial to move towards value addition and diversification of the traditional product. The main aim was to analyze the nutritional values and phytochemicals of the tomato pulp and prepared leather, and sensory evaluation of prepared tomato leather. Five samples A, B, C, D and E were prepared with 80:20, 72.5:27.5, 95:5, 87.5:12.5 and 65:35 fruit pulp: sugar ratio respectively. Analysis of raw tomato pulp and all the five samples was performed. Sensory quality of the product sample A was found superior to that of other samples but chemical and phytochemical properties of product sample C was found superior than that of other prepared samples. Therefore, we had two best products, in terms of sensory properties and in terms of nutritional properties. The best product on the basis of nutrients (sample C) had acidity (%), TSS (°Bx), pH, total ash content (%), crude protein (%), crude fat (%), crude fiber (%), carbohydrate (%), vitamin C (mg/100 g), total energy (Kcal/100 g), TPC (mg GAE/g of dry extract), TFC (mg QE/g of dry extract), DPPH scavenging activity (% of inhibition) and lycopene content (mg/100 g) was found to be 3.70.1, 20 ± 0.02, 3 ± 0.1, 2.30 ± 0.05, 2.69 ± 0.04, 0.87 ± 0.02, 5.46 ± 0.01, 69.68 ± 0.02, 25.17 ± 1.25, 297.31 ± 0.01, 85.35 ± 0.02, 65.39 ± 0.02, 59.23 ± 0.03 and 98.57 ± 0.02 respectively. A tasty and nutritious product of tomato, leather can be prepared which can be more appealing to the consumer.

Nutritional Changes of Buckwheat During Germination (발아중 메밀의 영양성분의 변화)

  • Lee, Eun-Hye;Kim, Chul-Jai
    • Journal of the Korean Society of Food Culture
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    • v.23 no.1
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    • pp.121-129
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    • 2008
  • To produce buckwheat sprouts, buckwheats were germinated at $23{\pm}2^{\circ}C$ up to 8 days in total darkness. In proximate analysis, moisture content increased from 13.87% of buckwheat groats to 93.75% of buckwheat sprouts on the 8th day of germination. On dry weight basis, lipid and ash contents increased like as protein content increased from 13.45% to 21.82% while carbohydrate content decreased due to enzyme hydrolysis. Amino acids were rich in glutamic acid, aspartic acids, and lysine, and also the ratio of the essential amino acids to total amino acids increased from 26.84% to 36.84%. Vitamin C did not exist in buckwheat groats but its content has continued to increase as far as 99.56 mg/100 g buckwheat sprouts. Rutin continued to increase by HPLC analysis from 4.71 mg/100 g buckwheat groats to 1,524 mg/100 g buckwheat sprouts. In analysis of organic acids, oxalic, maleic, and citric acids were commonly found in buckwheat sprouts. Fagopyrin was found almost none in buckwheat sprouts. In conclusion, the conversion of buckwheat seeds into sprouts through germination in darkness results in physically different final product with nutritional changes such as higher content of rutin, generation of vitamin C, abundance of the essential amino acids, and the existence of fagopyrin on very little.

Blueberry, blackberry, and blackcurrant differentially affect plasma lipids and pro-inflammatory markers in diet-induced obesity mice

  • Kim, Bohkyung;Lee, Sang Gil;Park, Young-Ki;Ku, Chai Siah;Pham, Tho X.;Wegner, Casey J.;Yang, Yue;Koo, Sung I.;Chun, Ock K.;Lee, Ji-Young
    • Nutrition Research and Practice
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    • v.10 no.5
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    • pp.494-500
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    • 2016
  • BACKGROUND/OBJECTIVES: Evidence indicates that berry anthocyanins are anti-atherogenic, antioxidant, and anti-inflammatory. However, berries differ vastly in their anthocyanin composition and thus potentially in their biological and metabolic effects. The present study compared hypolipidemic, antioxidant, and anti-inflammatory properties of blueberry (BB), blackberry (BK), and blackcurrant (BC) in a diet-induced obesity (DIO) mouse model. MATERIALS/METHODS: Male C57BL/6J mice were fed a high fat (HF; 35% fat, w/w) control diet or a HF diet supplemented with freeze-dried 5% BB, 6.3% BK or 5.7% BC for 12 weeks (10 mice/group) to achieve the same total anthocyanin content in each diet. Plasma lipids, antioxidant status and pro-inflammatory cytokines were measured. The expression of genes involved in antioxidant defense, inflammation, and lipid metabolism was determined in the liver, epididymal adipose tissue, proximal intestine, and skeletal muscle. Histological analysis was performed to identify crown-like structure (CLS) in epididymal fat pads to determine macrophage infiltration. RESULTS: No differences were noted between the control and any berry-fed groups in plasma levels of liver enzymes, insulin, glucose, ferric reducing antioxidant power, superoxide dismutase, and tumor necrosis factor ${\alpha}$. However, BK significantly lowered plasma triglyceride compared with the HF control and other berries, whereas BC significantly reduced F4/80 mRNA and the number of CLS in the epididymal fat pad, indicative of less macrophage infiltration. CONCLUSIONS: The present study provides evidence that BB, BK and BC with varying anthocyanin composition differentially affect plasma lipids and adipose macrophage infiltration in DIO mice, but with no differences in their antioxidant capacity and anti-inflammatory potential.

Optimization of the Extraction Parameters of Gardenia (Gardenia jasminoides Ellis) Fruits for the Maximum Antioxidant Capacity

  • Yang, Bin;Liu, Xuan;Teng, Dike;Gao, Yanxiang
    • Food Science and Biotechnology
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    • v.18 no.4
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    • pp.867-871
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    • 2009
  • Response surface methodology (RSM) was used for the optimization of antioxidant capacity in gardenia extracts. The antioxidant capacities of gardenia fruit extracts were investigated by ferric reducing ability (FRA) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity (RSA) assays. The optimum extraction parameters for the strongest antioxidant capacity were the ethanol concentration (EtOH) of 48.9%, extraction temperature of $72.9^{\circ}C$, and extraction time of 29.9 min. Analysis of variance (ANOVA) showed that the quadratics of EtOH and extraction temperature had highly significant effect on the antioxidant capacity (p<0.001). The antioxidant capacity was correlated with contents of bioactive components [crocin, geniposide, and total phenolic (TP) compounds] in gardenia extracts and mainly attributed to the content of the TP compounds.

Monthly Variations in the Nutritional Composition of Antarctic Krill Euphausia superba

  • Kim, Min-A;Jung, Hae-Rim;Lee, Yang-Bong;Chun, Byung-Soo;Kim, Seon-Bong
    • Fisheries and Aquatic Sciences
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    • v.17 no.4
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    • pp.409-419
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    • 2014
  • The proximate composition and various specific components of Antarctic krill Euphausia superba, in the catch season between March and August were investigated. Frozen krill were freeze-dried and milled. The proximate composition comprised water, proteins, fats, ash, fatty acids, and amino acids, while the specific components were vitamins, minerals, nucleotides, betaine, and astaxanthin. The moisture content of the krill ranged from 77 to 80%, with the highest value in June, and the ash content was between 12 and 13%. The protein content was lowest in May, and the fat content was 18-19%, with the highest value in March. The amino acid content varied according to the season: taurine and glycine were highest in August; ${\beta}$-alanine was higher in April and May; and arginine, ornithine, and lysine were highest in March. The unsaturated fat content was ~50% and omega-3 fatty acids were highest in June. Oil-soluble vitamins A and E were highest in March, and the water-soluble vitamin content was less than that of oil-soluble vitamins. The mineral content was highest in June, and the most abundant mineral was sodium at 235.60 mg/100 g krill. The content of other minerals was lowest (2.94 mg/100 g) in April, except for lead. The nucleotide content was highest in July, while the betaine content was highest in April and lowest in June. The astaxanthin content was highest in May and ranged from 6 to 10 ppm in other months.

A Comparison of the Methodologies in Food Consumption Surveys and Daily Dietary Fat Intake between America and Korea (한국과 미국의 식품 섭취 조사 방법 및 지방섭취량의 비교)

  • 박선민
    • Journal of Nutrition and Health
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    • v.29 no.10
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    • pp.1121-1131
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    • 1996
  • The nutritional status is America has been monitored by National Monitoring System since 1960's, mainly conducted by United States Department of Agriculture. The data from these programs were computerized and distributed to researchers. Researchers have manipulated and recalculated the data to produce meaningful results. Korean nutritional status has been investigated by National Nutrition Survey ever year, including food consumption, biochemical measurements and demographic variables. The Korean Nutritional Survey has not been organized and integrated as much as the nutritional survey in the United States and its results have been presented no more than as a report. Its raw data should be distributed to researchers and researchers could use the data to get more information. The purpose of this study is to compare the measurement of food consumption in Korean and America using Korean Nutrition Survey and Continuing Survey of Food Intake by Individuals(CSFII), respectively, and to compare the consumption of fat and foods with a high fat content. The fat consumption in the Unite States has been decreased from more than 40% of total energy intake to 35%, while Koreas have consumed more fat according to the economic growth. However, the fat consumption in Korea was still much lower than that in the United States. Korean should pay attention to saturated fat consumption(animal fat), especially rich middle aged men, since they ate meat as much as much as men in the United States according to a recent study. In America availability of food with a low fat content(e.g. low-fat milk) and new recipes along with nutritional education has decreased fat consumption, especially animal fat, any more. Also, each consumption of polyunsaturated fat and saturated fat should be measured since the ratio of them are more important for preventing heart disease and some cancers.

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Characterization of Nutritional Value for Twenty-one Pork Muscles

  • Kim, J.H.;Seong, P.N.;Cho, S.H.;Park, B.Y.;Hah, K.H.;Yu, L. H.;Lim, D.G.;Hwang, I.H.;Kim, D.H.;Lee, J.M.;Ahn, C.N.
    • Asian-Australasian Journal of Animal Sciences
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    • v.21 no.1
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    • pp.138-143
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    • 2008
  • A study was conducted to evaluate nutritional value for twenty-one pork muscles. Ten market-weight crossbred pigs (five gilts and five barrows) were used for evaluating proximate chemical composition, cholesterol, total iron, calorie and fatty acid contents. As preliminary analysis revealed no noticeable sex effect, pooled data from both sexes were used for the final analysis. M. rectus femoris had the highest moisture content, while m. latissimus dorsi was lowest in moisture content (p<0.05). Protein content was highest for m. longissimus dorsi and lowest for m. supraspinatus (p<0.05). The tensor fasciae and latissimus dorsi muscles contained the highest intramuscular fat (p<0.05), while rectus femoris, adductor and vastus lateralis were lowest in intramuscular fat content. When simple correlations between chemical values were computed for the pooled dataset from all muscles, intramuscular fat had significant (p<0.05) negative linear relationships with moisture (r = -0.85) and protein (r = -0.51) contents. Calorie levels were not significantly affected by fat content, while rectus femoris and latissimus dorsi muscles showed lowest and highest calorie contents, respectively (p<0.05). Polyunsaturated fatty acid content was highest (p<0.05) for both m. adductor and m. rectus femoris, while it was lowest for m. longissimus dorsi. Collectively, the current study identified a large amount of variation in nutritional characteristics between pork muscles, and the data can be used for the development of muscle-specific strategies to improve eating quality of meats and meat products.