JNIRS Latest Issue

Pages 255–265

doi: 10.1255/jnirs.985

A non-destructive method of predicting the particle size of the bulk drug powder in an acetaminophen suppository by near infrared spectroscopy

Eri Prendergast, Hiroyuki Abe, Masaki Aburada and Makoto Otsuka^*
Research Institute of Pharmaceutical Science, Musashino University, Shinmachi 1-1-20, Nishi-Tokyo 202-8585, Japan. E-mail: motsuka@musashino-u.ac.jp

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Pages 267–274

doi: 10.1255/jnirs.986

Estimation of wood basic density of Acacia melanoxylon (R. Br.) by near infrared spectroscopy

António J.A. Santos,^a,b Ana M.M. Alves,^,a,b Rogério M.S. Simões,^d Helena Pereira,^b José Rodrigues^a,* and Manfred Schwanninger^d
^aTropical Research Institute of Portugal (IICT), Forestry and Forest Products Centre, Tapada da Ajuda, 1349-017 Lisbon, Portugal. E-mail: jose.rodrigues@iict.pt
^bCentro de Estudos Florestais, Instituto Superior de Agronomia, Universidade Técnica de Lisboa, Tapada da Ajuda, 1349-017 Lisbon, Portugal
^cResearch Unit of Textile and Paper Materials, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
^dBOKU, University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Muthgasse 18, A-1190 Vienna, Austria

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Pages 275–285

doi: 10.1255/jnirs.987

Determination of Eucalyptus globulus wood extractives content by near infrared-based partial least squares regression models: comparison between extraction procedures

Ana M.M. Alves,^a,b Rita F.S. Simões,^a Claudia A. Santos,^a Brad M. Potts,^c José Rodrigues^a,* and Manfred Schwanninger^d
^aTropical Research Institute of Portugal (IICT), Forestry and Forest Products Centre, Tapada da Ajuda, 1349-017 Lisbon, Portugal. E-mail: jose.rodrigues@iict.pt
^bCentro de Estudos Florestais, Instituto Superior de Agronomia, Universidade Técnica de Lisboa, Tapada da Ajuda, 1349-017 Lisbon, Portugal
^cSchool of Plant Science and Cooperative Research Centre for Forestry, Private Bag 55, University of Tasmania, Hobart 7001, Tasmania, Australia
^dBOKU–University of Natural Resources and Life Sciences, Vienna, Department of Chemistry, Muthgasse 18, A-1190 Vienna, Austria

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Pages 287–294

doi: 10.1255/jnirs.988

Development of near infrared calibrations for physical and mechanical properties of eucalypt pulps of mill-line origin

Justin A. Tyson,^a Laurence R. Schimleck,^a,* Aurélio M. Aguiar,^b Jupiter I. Muro Abad,^c Gabriel D.S.P. Rezende^c and Otávio M. Filho^c
^aWarnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA. E-mail: lschimleck@bellsouth.net or lschimleck@warnell.uga.edu
^bFibria Celulose, Centro de Tecnologia, Jacareí–SP, Brazil
^cFibria Celulose, Centro de Pesquisa e Tecnologia, Aracruz–ES, Brazil

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Pages 295–305

doi: 10.1255/jnirs.989

Near infrared quantitative analysis of total flavonoid content in fresh Ginkgo biloba leaves based on different wavelength region selection methods and partial least squares regression

Ji-Yong Shi,^a Xiao-Bo Zou,^a,* Jie-Wen Zhao^a and Mel Holmes^b
^aSchool of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd, 212013 Zhenjiang, Jiangsu, PR China. E-mail: zou_xiaobo@ujs.edu.cn
^bSchool of Food Science and Nutrition, the University of Leeds, Leeds LS2 9JT, UK

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Pages 307–315

doi: 10.1255/jnirs.990

The use of near infrared spectroscopy to determine the fat, caffeine, theobromine and (–)-epicatechin contents in unfermented and sun-dried beans of Criollo cocoa

Clímaco Álvarez,^a Elevina Pérez,^b,* Emile Cros,^c Mary Lares,^d Sophie Assemat,^c Renaud Boulanger^c and Fabrice Davrieux^c
^aInstituto Nacional de Investigaciones Agrícolas (INIA), Caucagua, estado Miranda, Venezuela
^bInstituto de Ciencia y Tecnología de Alimentos, Facultad de Ciencias, Universidad Central de Venezuela. Caracas, Venezuela. Calle Suapure, Colinas de Bello Monte, Caracas, Venezuela. E-mail: elevina.perez@ciens.ucv.ve
^cCentre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD), UMR QUALISUD, 73 Rue J.F. Breton, Montpellier F-34398, France
^dEscuela de Nutrición y Dietética, Facultad de Medicina, Universidad Central de Venezuela, Caracas, Venezuela

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Pages 317–327

doi: 10.1255/jnirs.984

Exploring spectroscopic regression modelling using Eureqa: black-box chemometrics or a useful tool for exploration and learning?

James B. Reeves, III
Environmental Management and Byproduct Utilization Laboratory (EMBUL), Bldg 308, BARC East, Beltsville, MD 20705 USA. E-mail: James.Reeves@ARS.USDA.GOV

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Techniques:

NIR Spectroscopy