• Title/Summary/Keyword: proximate analysis

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Proximate Composition in the Muscle and Viscera of Five Veneridae Clams (Bivalvia) from Southern Coast of Korea (한국 남해안에 서식하는 백합과 5종의 근육 및 내장의 일반성분 조성)

  • Yoon, Ho-Seop;An, Yun-Keun;Choi, Sang-Duk;Kim, Jung
    • The Korean Journal of Malacology
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    • v.24 no.1
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    • pp.67-72
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    • 2008
  • This study investigated the proximate composition in the muscle and viscera of five commercially valuable Korean Veneridae, Protothaca jedoensis, Ruditapes philippinarum, Saxidomus purprratus, Cyclina sinensis and Meretrix lusoria. The proximate analysis revealed that the moisture, crude protein and carbohydrate of muscle in higher than viscera. As results, except for the crude lipid and carbohydrate there was little significant differences among the moisture, protein and crude ash. The crude lipid contents was highest in the viscera of Meretrix lusoria, while lowest in the muscle of Ruditapes philippinarum. The carbohydrate content of viscera in the Meretrix lusoria, Ruditapes philippinarum and Protothaca jedoensis were $3.61{\pm}0.45%$, $3.45{\pm}1.4%$ and $3.39{\pm}0.07%$, respectively.

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Proximate Analysis of Ipomea Batatass L. Grown in Two Different Zones in Imo State

  • meoka, N.U.;Ogbonnaya, C.I.;Ohazurike, N.C.
    • The Korean Journal of Food & Health Convergence
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    • v.5 no.1
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    • pp.13-19
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    • 2019
  • Proximate analysis of Ipomea batatass L. grown in two different locations in Imo State were investigated. Standard soil analytical method was used to determine the physiochemical contents of the two soil sample collected from Mgbidi and Orji Ipomea batatass L. farm land. The soil sand from Ipomea batatass L. root in Orji farm recorded highest percentage value of 75.00% compared to the soil sand Ipomea batatass L. root in Mgbidi farm with 27.00% value. The percentage value of silt was different as the soil Ipomea batatass L. root in Mgbidi farm had high value of 29.40% while soil silt of Ipomea batatass L. root in Orji farm had 13.40%. The soil clay, pH, Phosphorus and Nitrogen from Ipomea batatass L. root in Mgbidi farm recorded highest percentage value of 43.60%, 5.7, 23.20 and 0.35 compared to the soil sand Ipomea root in Orji farm with 11.60%, 5.4, 16.70 and 0.09 value respectively. Ca, Mg, K, and Na analyzed followed the same trend as the soil from Ipomea root in Mgbidi farm had high percentage value of Ca (10.00), Mg (1.60), K (0.54) and Na (0.43) respectively. The systematic study of physiochemical of the Ipomea soils could help in understanding the nutritional composition, the basic characteristics of the soils and the constraints associated with the management of the soils from the two locations.

Proximate Analysis and Antioxidant Activity of Cultivated Wild Panax ginseng (연근별 산양삼의 일반성분 및 항산화 효과)

  • Lee, Geun;Choi, Gwang-Su;Lee, Ju-Yeol;Yun, So-Jung;Kim, Wooki;Lee, Hyungjae;Baik, Moo-Yeol;Hwang, Jae-Kwan
    • Food Engineering Progress
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    • v.21 no.3
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    • pp.208-214
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    • 2017
  • Proximate analysis and antioxidant activity of cultivated wild Panax ginseng (CWPG) were investigated to provide fundamental information of CWPG with different ages and to increase its industrial application. Proximate analyses of CWPG with different ages were performed. Extraction of CWPG with different ages was carried out using heat-reflux extraction, and their extraction yield, crude saponin content, ginsenoside content, and antioxidant activity were analyzed. Moisture content decreased, but crude fat and crude protein were increased with aging. Extraction yield and crude saponin contents did not show a specific pattern while 5-year-old CWPG revealed the highest extraction yield and crude saponin content. All CWPGs showed typical ginsenoside profiles containing C-K and Rh2 ginsenosides, which are not found in ginseng. The 3-year-old CWPG showed the highest antioxidant activity including total phenolic content, total flavonoid content, and DPPH and ABTS radical scavenging activities. Moreover, 3-year-old CWPG also revealed the highest acidic polysaccharide content. Therefore, these results suggested that 3-year-old CWPG, which is the cheapest, can be used in industrial application due to its high antioxidant activity and acidic polysaccharide content with similar ginsenoside profile compared to 5- and 7-year-old CWPGs.

Studies on the Food Components of Triploid Abalone, Haliotis discus hannai (3배체 참전복, Haliotis discus hannai의 식품 성분에 대한 연구)

  • Jee, Young-Ju;Chang, Young-Jin;Yoon, Ho-Dong
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.41 no.6
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    • pp.452-457
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    • 2008
  • This study analyzed the proximate compositions, total amino acids, and fatty acid compositions in muscle and viscera of 51-month-old triploid and diploid Pacific abalone, Haliotis discus hannai. Proximate composition analysis showed that the muscle of diploid abalones had a higher protein and ash ratio than that of triploid abalones, while there was no significant difference in the ratios of moisture and fat (P>0.05). The triploid abalones had a significantly higher ratio of carbohydrate in muscle than the diploid abalones (P<0.05), which suggests that the transference of carbohydrates from muscle to gonad is decreased in sterile triploid organisms. Amino-acid analysis indicated that the total content was 133.42 mg/g in diploid muscle and 151.46 mg/g in triploid muscle. Taurine, arginine, glutamine, glycine, glutamic acid, alanine, and leucine, which are the major amino acids in abalone, were measured as 84.64 mg/g in triploid muscle and as 73.92 mg/g in diploid muscle. The essential amino acid content of triploid muscle (38.83 mg/g) was significantly higher than that of diploid muscle (31.94 mg/g) (P<0.05). Saturated fatty acids and monoene fatty acids were abundant in triploid muscle and polyene fatty acids were abundant in diploid muscle. Therefore, triploid Pacific abalone appears to be a good nutritional food source.

Nutritional Value of a Heterotrichous Ciliate, Fabrea salina with Emphasis on Its Fatty Acid Profile

  • Pandey, B.D.;Yeragi, S.G.;Pal, A.K.
    • Asian-Australasian Journal of Animal Sciences
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    • v.17 no.7
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    • pp.995-999
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    • 2004
  • Fabrea salina is a hypersaline ciliate having importance as a live food source for juvenile stages of aquatic animals including smaller invertebrates. The analysis of this ciliate for proximate and biochemical composition was carried out. The moisture, protein, fat, carbohydrate and ash content of F. salina from natural sources were 86.66$\pm$0.380, 56.66$\pm$0.494%, 36.66$\pm$0.614%, 1$\pm$0.073% and 4$\pm$0.182%, respectively. Gas chromatographic analysis (percent area below the curve) revealed that the presence of oleic acid was higher over other fatty acids in both natural and cultured F. salina. The absolute content of oleic acid was higher in natural (18.91% area) than in the cultured (10.74% area) F. salina. Linoleic and linolenic acids were also among major fatty acids with the percentage area of 16.29 and 14.58, respectively. The number of fatty acids in cultured Fabrea was less as compared to the natural ones and the oleic acid was followed by palmitic acid, palmitoleic acid, linoleic acid and stearic acid.

Aroma constituents, ergosterol and proximate analysis of Neolentinus lepideus (잣버섯의 일반성분 및 에르고스테롤, 향기성분)

  • Jang, Myoung-Jun;Kim, Jeong-Han;Ju, Young-Cheol
    • Journal of Mushroom
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    • v.12 no.1
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    • pp.73-76
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    • 2014
  • Nutritional and functional components, such as approximate, and volatile flavor compounds, ergosterol and proximate analysis of artificially cultivated Neolentinus lepideus were analyzed. The common elements of N. lepideus were analyzed to have 6.3% crude ash, 19.1% crude protein, 1.9% crude fat, and 8.9% crude fiber, respectively. The volatile flavor compounds of N. lepideus were characterized as 3-Octanone, 3-Octanol and 1-Octanol. The ergosterol content of N. lepideus was shown to be 145.9 ppm.

A Study on Quality Properties of Steamed Cake Added with Common and Tartary Buckwheat Flour (일반 메밀과 쓴 메밀 가루를 첨가한 찜 케이크의 품질 특성)

  • Cho, Eun-Ja;Kim, Woon-Jin;Yang, Mi-Ok
    • Journal of the East Asian Society of Dietary Life
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    • v.17 no.2
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    • pp.219-226
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    • 2007
  • This study was conducted to compare the quality of steamed cakes supplemented with common buckwheat(F. esculentum Miench.) and tartary buckwheat(F. tartaricum Gaetn). A proximate analysis, and rutin content, color value, texture characteristics and sensory evaluations were performed, In the proximate analysis, the steamed buckwheat as opposed to raw buckwheat, appeared to afford higher values for most of the evaluated items. The rutin content of the tartary buckwheat was over 14 times higher than that of common buckwheat and remained about 58% higher after steaming. The lightness of the steamed cakes was in the following order: control(wheat flour only), with the addition of common buckwheat, and with the addition of tartary buckwheat. The redness and yellowness increased in the following order: tartary buckwheat, common buckwheat, control steamed cake. There were no significant differences in the springiness of steamed cake between the various samples including the control: therefore, resulted in good quality during bread-making. In the sensory evaluation, on increasing the amount of tartary buckwheat addition the score for entire taste increased compared with common buckwheat and the control and also had positive results for all other items, including flavor, color, softness and moistness. This study has suggested the ability to make steamed cakes containing tartary buckwheat flour.

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Comparative Analysis of Proximate Compositions and Lipid Component in Cultured and Wild Mackerel Scomber japonicus Muscles (양식산 및 천연산 고등어근육의 일반성분과 지질성분 비교)

  • Moon, Soo-Kyung;Hong, Seok-Nam;Kim, In-Soo;Jeong, Bo-Young
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.42 no.5
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    • pp.411-416
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    • 2009
  • Proximate compositions and fatty acid profiles of cultured and wild mackerel (Scomber japonicus) muscles were compared. Protein content ranged from approximately 16% to 18% and was higher in wild fish than in cultured ones. Lipid content was between two to four times higher in large and small cultured fish (20.1-20.5%) compared with same sized wild fish. The prominent non-polar lipid (NL) class in fish muscles was triglyceride, and additionally, free sterol was among the prominent NL classes in wild fish muscles. Prominent phospholipid (PL) classes in cultured and wild fish muscles were phosphatidylethanolamine and phosphatidylcholine, with the former being higher in cultured fish and the latter higher in wild fish. Prominent fatty acids of total lipid were 16:0, 18:1n-9, 22:6n-3 (docosahexaenoic acid, DHA), 20:5n-3 (eicosapentaenoic acid, EPA), 16:1n-7, 18:0 and 14:0, while 18:2n-6 was among the prominent fatty acids in cultured fish. The n-3 polyunsaturated fatty acids (PUFA, DHA+EPA) content (in mg/100 g of muscle tissue) was higher in cultured fish (2,711 mg in large fish and 2,572 mg in small fish) than in wild fish (2,431 mg in large fish and 1,398 mg in small fish). In conclusion, we have been able to demonstrate that cultured mackerel could also be a good sources of n-3 PUFA, such as DHA and EPA.

Physicochemical Properties of Organic Sludge Discharged from an Industrial Complex in Ulsan (울산지역 산업단지에서 배출되는 유기성슬러지의 물리.화학적 특성)

  • Lee, Gang-Woo;Kim, Min-Choul;Lee, Jae-Jeong;Lee, Man-Sig;Kim, Ji-Won;Park, Hung-Suck;Shon, Byung-Hyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.9 no.6
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    • pp.1760-1767
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    • 2008
  • In this study, we analyzed the physical and chemical properties such as proximate analysis, ultimate analysis, heating values, and thermogravimetric analysis for the organic sludges discharged from an industrial complex in Ulsan. The average water, combustible, and ash content of organic sludges were 72.9, 18.5, and 8.6%, respectively. And according to the ultimate analysis of organic sludges, the C, O, H, N, and S compositions were 33.9, 26.4, 4.4, 4.4, and 0.6%, respectively. According to the results of investigating the lower heating values, 6 sludges were on the range of $1,500{\sim}2,000\;kcal/kg$ and 4 sludges were on the range of over 2,000 kcal/kg. Therefore, these 10 sludges could be directly applied to industries which try to use the energy by direct incineration.

The Quality Characteristics of Imported and Korean Chicken Breast Meats in Korean Market (국내시장에 유통중인 수입산 및 한국산 닭고기 가슴육의 품질 특성)

  • 김일석;민중석;이상옥;박광순;김중완;김방현;최일신;이무하
    • Food Science of Animal Resources
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    • v.21 no.4
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    • pp.300-306
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    • 2001
  • This study was carried out to compare the quality of imported chicken breast meats with domestic esse. In the proximate analysis. Thai chicken breast meats showed the highest content of tile crude protein(P<0.001), and the lowest contents of the crude fat and moisture. KAB(breast meat purchased at Korean traditional market) were higher. In total plate counts and in E. coli than other (P<0.001). and showed the highest TBARS value. In the descriptive analysis for the fresh meats. Thai chicken showed the highest acceptability score. In the results of cooked meat. KAB showed the highest acceptability score.

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