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Academic literature on the topic 'Acid'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Acid"

1

N.V., Zaimenko, and Ivanytska B.O. "The influence of organic acids on growth processes in plants with different ecomorphotype." Plant Introduction 59 (September 1, 2013): 108–14. https://doi.org/10.5281/zenodo.1585272.

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The are results of tartaric, succinic, acetic, oxalic acids effects on growth processes in plants are shown. The potential to control the growth processes and physiological parameters in plants with different ecomorphotypes types of CO<sub>2</sub> metabolism by application of the organic acids in 0.001–0.01 % concentration ware proved.

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MUHAMMAD, QUDRAT-I.-KHUDA. "On the Constitution of some δ-Ketodicarboxylic Acids." Journal of Indian Chemical Society Vol. 8, Jan-Dec 1931 (2022): 215–22. https://doi.org/10.5281/zenodo.6825283.

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Jung, Yui Jung. "The Influence of Organic Acid on Color Retention after Dyeing - Focusing on succinic acid and tartaric acid." Journal of Health and Beauty 16, no. 2 (2022): 163–72. http://dx.doi.org/10.35131/ishb.2022.16.2.163.

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Velíšek, J., and K. Cejpek. "Biosynthesis of food constituents: Amino acids: 1. The glutamic acid and aspartic acid groups – a review." Czech Journal of Food Sciences 24, No. 1 (2011): 1–10. http://dx.doi.org/10.17221/3287-cjfs.

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This review article gives a survey of principal pathways that lead to the biosynthesis of the proteinogenic amino acids of the glutamic acid group (glutamic acid, glutamine, proline, arginine) and aspartic acid group (aspartic acid, asparagine, threonine, methionine, lysine, isoleucine) starting with oxaloacetic acid from the citric acid cycle. There is an extensive use of reaction schemes, sequences, and mechanisms with the enzymes involved and detailed explanations using sound chemical principles and mechanisms.

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Kim, Sang A., and Kwang Soo Roh. "Effect of p-Coumaric Acid, Benzoic Acid, and Salicylic Acid on the Activity of Glutathione Reductase and Catalase in in vitro Grown Tobacco Plants." Journal of Life Science 24, no. 3 (2014): 227–33. http://dx.doi.org/10.5352/jls.2014.24.3.227.

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Hong, Yong-Deog, Dae-Sung Yoo, Mi-Hee Nam, et al. "Excellent Anti-aging Effects of Ursolic acid and Oleanolic acid Present in Ligustrum lucidum." Journal of the Society of Cosmetic Scientists of Korea 38, no. 2 (2012): 181–87. http://dx.doi.org/10.15230/scsk.2012.38.2.181.

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P., JAGAN MOHANA RAO, and THIMME GOWDA B. "Kinetics and Mechanism of Oxidation of Amino Acids by Dichloramine-B." Journal of Indian Chemical Society Vol. 69, Oct 1992 (1992): 642–47. https://doi.org/10.5281/zenodo.6018540.

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Department of Post-Graduate Studies and Research in Chemistry, Mangalore Univert ity, Mangalagangothri-574 199          <em>Manuscript received 30 December 1991, accepted 9 July 1992</em> Kinetics of oxidations of several amino acids (AA) (glycine, alanine, valine, leucine and phenylalanine) by dichloramine-B (DCB) have been studied in aquo-methanol (1 : 1, v/v) in the presence of perchloric acid. The reactions show two ranges in [HCI0<sub>4</sub>]. In the first range of [HC10<sub>4</sub>] (0.0005-0 005 mol dm<sup>-3</sup>), the oxidations exhibit second order kinetics

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Jung, Sung-Hee, Jung-Soo Seo, Bo-Young Jee, Jin-Woo Kim, and Myoung-Ae Park. "Effect of temperature on pharmacokinetics of nalidixic acid and piromidic acid in black rockfish Sebastes schlegeli following oral administration." Journal of fish pathology 24, no. 1 (2011): 29–37. http://dx.doi.org/10.7847/jfp.2011.24.1.029.

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S., R. SAGI, APPA RAO K., and S. PRASADA RAO M. "A Titrimetric Method for the Determination of Oxalic and Malonic Acids in a Mixture." Journal of Indian Chemical Society Vol. 69, Oct 1992 (1992): 671–73. https://doi.org/10.5281/zenodo.6021322.

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Inorganic Chemistry Laboratories, Andhra University, Visakhapatnam-530 003 <em>Manuscript received 12 March 1992, revised 26 June 1992, accepted 17 July 1992</em> Oxalic and malonic acids can be oxidised quantitatively to carbon dioxide and water when refluxed for 120 min in >1.5 <em>M </em>sulphuric acid medium in the presence of four times the thallium(III) required for the quantitative oxidation. In the photochemical oxidation of the mixture only oxalic acid is oxidised while malonic acid remains unaffected when a chloride concentration, three times (or above) that of thallium(III) is pr

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Kim, Saeng-Gon, Min-Jung Kim, Dong-Chun Jin, et al. "Antimicrobial Effect of Ursolic Acid and Oleanolic Acid against Methicillin-Resistant Staphylococcus aureus." Korean Journal of Microbiology 48, no. 3 (2012): 212–15. http://dx.doi.org/10.7845/kjm.2012.029.

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Dissertations / Theses on the topic "Acid"

1

Mantri, Padmaja. "Arachidonic acid aci-Reductone strategies : asymmetric synthesis of 2-hydroxytetronic acid antimetabolities /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487848078452092.

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Llewelyn, Peter William. "Supported heteropoly acids for acid catalysed reactions." Thesis, Cardiff University, 2011. http://orca.cf.ac.uk/54120/.

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Devassy, B. M. "Acid catalysis using zirconia-supported Keggin heteropoly acids." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2005. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2465.

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Hinton, Michael Raymond. "Xylaric Acid, D-Arabinaric Acid (D-Lyxaric Acid), L-Arabinaric Acid (L-Lyxaric Acid), and Ribaric Acid-1,4-Lactone ; synthesis and isolation - synthesis of Polyhydroxypolyamides therefrom." [Missoula, Mont.] : University of Montana, 2009. http://etd.lib.umt.edu/theses/available/etd-03212009-142612/unrestricted/Hinton_umt_0136D_10002.pdf.

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Thesis (Ph. D.)--University of Montana, 2009.<br>ETD number: etd-03212009-142612. Author supplied keywords: aldaric acids ; carbohydrates ; MM3 ; oxidation ; polyhydroxypolyamide ; polymers. Description based on contents viewed on June 11, 2009; title from author supplied metadata. Includes bibliographical references.

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Kishino, Shigenobu. "Production of conjugated fatty acids by lactic acid bacteria." Kyoto University, 2005. http://hdl.handle.net/2433/86244.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第11617号<br>農博第1473号<br>新制||農||905(附属図書館)<br>学位論文||H17||N4010(農学部図書室)<br>UT51-2005-D366<br>京都大学大学院農学研究科応用生命科学専攻<br>(主査)教授清水昌, 教授加藤暢夫, 教授植田充美<br>学位規則第4条第1項該当

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Fang, Bin. "Remobilisation of Heavy Metals from Sediments Using Aminopolycarboxylic Acids." Thesis, The University of Sydney, 2005. http://hdl.handle.net/2123/630.

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This thesis describes a study of the remobilisation of heavy metals from sediments by three aminopolycarboxylic acids (APCAs). They are nitrilotriacetic acid, ethylenediaminetetraacetic acid and diethylenetriaminepentaacetic acid. The investigation is introduced by examining the sources, uses and chemistry of these acids. The introduction also includes a discussion of what is known about the inclusion of heavy metals into sediments and their remobilisation from sediments. Typical concentrations of APCAs in natural waters and sediments have been catalogued from the literature. The advantages an

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Fang, Bin. "Remobilisation of Heavy Metals from Sediments Using Aminopolycarboxylic Acids." University of Sydney. Chemistry, 2005. http://hdl.handle.net/2123/630.

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This thesis describes a study of the remobilisation of heavy metals from sediments by three aminopolycarboxylic acids (APCAs). They are nitrilotriacetic acid, ethylenediaminetetraacetic acid and diethylenetriaminepentaacetic acid. The investigation is introduced by examining the sources, uses and chemistry of these acids. The introduction also includes a discussion of what is known about the inclusion of heavy metals into sediments and their remobilisation from sediments. Typical concentrations of APCAs in natural waters and sediments have been catalogued from the literature. The advantages an

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Blanco, Élodie. "Catalyseurs phosphates pour la déshydratation de l’acide lactique en acide acrylique." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10222/document.

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Différents phosphates ont été préparés et testés pour la déshydratation de l'acide lactique en phase gaz. La sélectivité en acide acrylique dépend fortement de la température de réaction mais peu du temps de contact. A 380°C, des valeurs de sélectivité allant de 19 à 50% ont été mesurées pour des phosphates alcalino-terreux qui sont stables sur au moins 24 h. Des mesures d'acido-basicité ont montré que ces phosphates contiennent une forte proportion de sites de même force faible. De plus, une corrélation entre la sélectivité en acide acrylique et le ratio molaire acide/base a été établie : ell

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Das(, dutta) Sima. "Organotin derivatives of hydroxamic acids derived from dibasic carboxylic acid." Thesis, University of North Bengal, 1989. http://hdl.handle.net/123456789/755.

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Levy, Milne Ryna. "Differential metabolism of eicosapentaenoic acid and docosahexaenoic acid." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ56664.pdf.

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Books on the topic "Acid"

1

Falco, Edward. Acid. University of Notre Dame Press, 1995.

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2

Pass, Emma. ACID. Corgi Children's, 2013.

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3

Howells, Gwyneth. Acid rain and acid waters. Ellis Horwood, 1990.

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Howells, Gwyneth Parry. Acid rain and acid waters. Horwood, 1988.

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N, Poinar Hendrik, and United States. National Aeronautics and Space Administration., eds. Amino acid racemization and the preservation of ancient DNA. National Aeronautics and Space Administration, 1996.

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6

Haslam, Edwin. Shikimic acid: Metabolism and metabolites. Wiley, 1993.

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7

LaManna, Ross. Acid test. Ballantine Books, 2001.

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Hare, Tony. Acid rain. Gloucester Press, 1990.

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Yoshida, Takuya, ed. Abscisic Acid. Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2156-1.

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Longhurst, James W. S., ed. Acid Deposition. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76473-8.

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Book chapters on the topic "Acid"

1

Bährle-Rapp, Marina. "acid..., Acid..., auch: Azid..." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_102.

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Malowan, J. E., and R. N. Bell. "Pyrophosphoric Acid (Diphosphoric Acid)." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132340.ch23.

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Arndt, T. "Acid." In Springer Reference Medizin. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_84.

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Arndt, T. "Acid." In Lexikon der Medizinischen Laboratoriumsdiagnostik. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_84-1.

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Arndt, T. "Acid." In Lexikon der Medizinischen Laboratoriumsdiagnostik. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_84-2.

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Gooch, Jan W. "Acid." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13037.

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Gooch, Jan W. "Acid." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_145.

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Wypych, Anna. "Acids – Palmitic acid." In Databook of Antiblocking, Release, and Slip Additives. Elsevier, 2014. http://dx.doi.org/10.1016/b978-1-895198-63-8.50007-5.

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Clugston, Michael, Malcolm Stewart, and Fabrice Birembaut. "Acid–base Equilibrium." In Making the Transition to University Chemistry. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780198757153.003.0007.

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This chapter explains the acid-base equilibrium. This involves the transfer of protons in line with the Brønsted–Lowry theory. A strong acid or strong base is fully ionized in an aqueous solution, while weak acids or bases are only partially ionized in an aqueous solution. Acid-base titrations measure the unknown concentration of one solution by reaction with another standard solution with a familiar concentration. The chapter also notes how indicators are typically water-soluble weak organic acids with varying colours at different pH values. It explores the alternative theory of acid-base rea

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Rahman, Atta Ur. "Nucleic Acid Structure." In Fundamentals of Cellular and Molecular Biology. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238037124010004.

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Nucleic acids are essential biomolecules that store and transmit genetic information in all living organisms. The structure of nucleic acids, specifically DNA (deoxyribonucleic acid) and RNA (ribonucleic acid), is crucial for their function. The backbone of nucleic acids is composed of alternating sugar and phosphate groups, while the nucleotide bases (adenine, guanine, cytosine, thymine and uracil) protrude from the sugar-phosphate backbone. The bases form specific hydrogen bonds with complementary bases on the opposite strand, resulting in the double-helical structure of DNA. RNA is usually

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Conference papers on the topic "Acid"

1

Ayyagari, Sahithi, Maryam Eslami, Bruce Brown, and Srdjan Nesic. "Corrosion Mechanisms of Mild Steel in the Presence of Formic Acid and Acetic Acid." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17944.

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Abstract The presence of organic acids such as formic acid, acetic acid and propionic acid in oil field brines has been identified as a significant contributor to corrosion of mild steel. Extensive research indicates that corrosion rates of steel are significantly higher in weak acid environments, such as aqueous CO2 or acetic acid, as opposed to fully dissociated aqueous strong acids at the same pH. A general observation is that the increase in corrosion rate is due to increase in cathodic current, which is due to the partial dissociation of the weak acid. Most corrosion research with respect

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Cizek, Art. "A Review of Corrosion Inhibitors Used in Acidizing." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93092.

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Abstract The objective of this presentation is to review the history of the development of oilwell acidi ring and acid corrosion inhibitors used by this industry. Also, the arsenic inhibitors will be compared to organic inhibitors. In addition, as deeper and hotter wells were drilled, stimulation acids were exposed to hotter conditions and the organic inhibitor required intensifiers to be effective. High temperature (200°F to ≥400°F) acid corrosion inhibitors will also be discussed. This paper is not intended to define corrosion mechanisms nor is it intended to be an exhaustive review of hydro

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Slavcheva, E., B. Shone, and A. Turnbull. "Factors Controlling Naphthenic Acid Corrosion." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98579.

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Abstract A laboratory study has been conducted to elucidate the influence of chemical and physical parameters on the corrosion of 1018 carbon steel and 5%Cr-0.5%Mo steel in oils containing naphthenic acids (NAs) for application to crude oil refinery systems. The effect of test duration, temperature, and acid concentration was assessed for a range of single acids of varying carbon number and for NA mixtures in mineral oil (MO) and in heavy vacuum gas oil (HGVO). In addition, a limited study of the effect of addition of H2S to the acid-oil mixture was conducted. The use of the total acid number

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Dettman, Heather D., Nana Li, and Jingli Luo. "Refinery Corrosion, Organic Acid Structure, and Athabasca Bitumen." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09336.

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Abstract Since 1920, certain crude oils have been found to be corrosive in refineries. At temperatures between 428 and 752°F (220 and 400°C), sulfur-containing and organic acid species in crude oils are known to promote corrosion. Elemental sulfur, mercaptan, sulfide and polysulfide species convert to hydrogen sulfide which attacks carbon and low-alloy steels. Organic acids, such as naphthenic acids consisting of cycloalkane ring(s) with an attached aliphatic chain having a terminal carboxylic acid group, have been implicated. However, neither total sulfur content measured by elemental analyse

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Kahyarian, Aria, Bruce Brown, and Srdjan Nesic. "CO2 Corrosion, H2S Corrosion, Organic Acid Corrosion - a Unifying Perspective on Corrosion Mechanisms in Weak Acid Solutions." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-12876.

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Abstract Recent developments in understanding the mechanism of mild steel corrosion in the presence of carboxylic acids, carbon dioxide, and hydrogen sulfide has challenged the conventional views to corrosion in anoxic environments. Conventionally, the high corrosivity of such environments was associated with the direct reduction of these weak acids. Within the last few years, experimental and theoretical investigations of the electrochemical behavior of these corrosive environments suggest that the buffering effect arising from the dissociation of weak acids at the vicinity of metal surface i

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Barmatov, Evgeny, Jill Geddes, Trevor Hughes, and Michaela Nagl. "Research on Corrosion Inhibitors for Acid Stimulation." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01573.

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Abstract In the Oil & Gas industry, formation treatment with acids is an established method to stimulate carbonates or dissolve fines. Either organic acids such as citric or acetic acid or mineral acids such as HCl or HF are injected into the well at high concentrations. In the absence of corrosion inhibitors, the generalized corrosion rate increases exponentially with acid concentration and temperature. This can be reduced to an acceptable level by adding appropriate concentrations of inhibitor products in order to protect and prolong the useful lifetime of the hardware present in the wel

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Groysman, Alec, Naphtali Brodsky, Joseph Pener, and Dmitry Shmulevich. "Low Temperature Naphthenic Acid Corrosion Study." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07569.

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Abstract The aim of this work is to define the corrosiveness of naphthenic acids and to examine a non-phosphorus corrosion inhibitor for low temperature (~ 200°C) naphthenic acid corrosion. Corrosiveness of NA is a function of their molecular weight (boiling point), and temperature. Corrosiveness of seven pure NA, twelve aliphatic and two aromatic organic acids, and fractions of NA distilled from industrial NA mixtures of three suppliers “F”, “A”, and “M”, was examined at their boiling points and at 195°C. Corrosion rates of carbon steel in contact with boiling aliphatic organic acids were 12

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Miyoshi, Kazuhisa, and George W. P. Rengstorff. "Wear of Iron and Nickel in Corrosive Liquid Environments." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88373.

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Abstract An investigation was conducted to examine the friction and wear behavior of iron and nickel sliding on aluminum oxide in aerated sulfuric acid and hydrochloric acid. The results indicate that the concentration of acid is an important factor in controlling the metal loss caused by wear-corrosion processes in the acids. At very dilute acid concentration (10-4 N), iron behaves differently than nickel. Iron develops a soft, friable deposit, while nickel develops no corrosion layer. The formation and removal of the corrosion deposit on iron resulted in high metal loss and coefficient of fr

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Scattergood, G. L., R. C. Strong, and W. A. Lindley. "Naphthenic Acid Corrosion, an Update of Control Methods." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87197.

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Abstract Processing crude oils high in naphthenic acids results in concentrating the acid content in refinery units downstream of the atmospheric tower. Typically this also results in a highly corrosive enviornment. A variety of methods are available in the industry to control naphthenic acid corrosion, and will be described.

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Sridhar, N., J. B. C. Wu, and S. M. Corey. "The Effect of Acid Mixtures on Corrosion of Nickel-Base Alloys." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86182.

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Abstract Corrosion in acid mixtures is of great importance in many chemical process streams. However, corrosion data are not readily available in many of these environments. The effects of binary combinations of nitric, sulfuric, hydrochloric and hydrofluoric acids on corrosion of some Ni-base alloys and stainless steels are examined in this paper. It is shown that in addition to the expected passivating effect of nitric acid additions and increased corrosivity due to hydrochloric acid additions, unexpectedly high corrosion rates were noted for some alloys in some combinations of acids. The re

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Reports on the topic "Acid"

1

Sooksai, Sarintip, and Kobkul Laoteng. Genetic study of fatty acid and lipid biosynthesis in Hansenula polymorpha. Chulalongkorn University, 2011. https://doi.org/10.58837/chula.res.2011.121.

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Two groups of Hansenula polymorpha mutants were screened by their fatty acid requirement, one requires saturated fatty acids for growth (sfa- mutamts) and the other requires unsaturated fatty acids (mfa- and pfa- mutants). Two of the sfa- mutants, S7 and S16, showed significantly difference in the fatty acid composition. S7 clearly defected in the production of C18:2∆9,12 and C18:3∆9,12,15, while S16 significantly accumulated medium-chain saturated fatty acids, C12:0 and C14:0. By tetrad analysis, the results showed that S7 had double mutation which composed of fatty acid synthesis mutation (H

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Ruangpornvisuti, Vithaya. A study of protonation and deprotonation of the novel amino acids : the compounds of aspartic acids : research repor. Chulalongkorn University, 1997. https://doi.org/10.58837/chula.res.1997.16.

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Acidity and basicity constants of N-acetylaspartic acid, aspartic acid, aspartylaspartic acid, Asp-Asp-Asp, Asp-Asp-Asp-Asp, Asp-Asp-Asp-Asp-Asp and Asp-Asp-asp-Asp-Asp-Asp were determined in 0.1 M potassium nitrate at 25 degree celsius, by means of potentiometric titration. Acidity constants of N-acetylaspartic acid are log K1 = -3.41 and log K2 = -5.13. Basicity constants, expressed as log K, of aspartic acid (asp) and polyaspartic acids (asp)n ; when n=2 to 6, are 9.80 and 8.79, 8.34, 8.50, 8.56 and 8.99 respectively. The number of acidity constant of polyaspartic acids (asp)n is equal to n

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Okae, I., A. Seya, and M. Umemoto. Acid distribution in phosphoric acid fuel cells. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/460205.

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Eibling, R. E. Nitric acid-formic acid compatibility in DWPF. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6678690.

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Eibling, R. E. Nitric acid-formic acid compatibility in DWPF. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10125662.

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Rudisill, T. S. Thermal Stability of Acetohydroxamic Acid/Nitric Acid Solutions. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/799683.

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Wilmarth, W. R., C. L. Crawford, and R. A. Peterson. Copper-Catalyzed Decomposition at Diphenylborinic Acid and Phenylboronic Acid. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/651622.

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Turner, R. S. (Acid rain workshop). Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6179146.

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Gardner, R. (Acid rain research). Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5474970.

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Muangcharoen, Vannee, Suwanna Kijparkorn, Chancharat Reodecha, and Pensuda Somkiatkul. A study on nutritive value of rabbit meat. Chulalongkorn University, 1988. https://doi.org/10.58837/chula.res.1988.42.

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Abstract:

Twelve carcasses were randomly selected from New Zealand White (NZW), Thai Native (N) and two reciprocal crosses between NZW and N rabbits, three from each breed group. Proximate analysis was made along with fatty acid and amino acid analysis. Percent fat and ash on dry matter basis were the only two proximate analysis found to be different among 4 breed groups (P<0.05) and N meat had more fat than N x NZW group (P<0.05). Among the 18 amino acids analysed, NZW and NZW x N meat had more proline than N x NZW group (P<0.05) and N x NZW meat contained more tryptophan than N and NZW (P<

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