ORIGINAL ARTICLE

Effects of environmental conditions on characteristics of annatto seed by-product

  1. Bogdan Demczuk Jr*,
  2. Rosemary Hoffmann Ribani

Article first published online: 21 DEC 2012

DOI: 10.1111/qas.12003

Issue

Quality Assurance and Safety of Crops & Foods

Quality Assurance and Safety of Crops & Foods

Volume 4, Issue 5, pages e20–e28, December 2012

Additional Information

How to Cite

Demczuk Jr B, Hoffmann Ribani R (2012). Effects of environmental conditions on characteristics of annatto seed by-product. Quality Assurance and Safety of Crops & Foods, 4, e20–e28, 4:5, 20–28.

Author Information

  1. Graduate Program of Food Engineering, Chemical Engineering Department, Federal University of Paraná – UFPR, Curitiba, Paraná, Brazil

* Correspondence:
Bogdan Demczuk Jr, Centro Politécnico, Jardim das Américas, Curitiba, Paraná, Brazil, P.O.Box 19011, Postal Code 81531-990. Tel: +55 41 3361 3232; Fax: +55 41 3361 3232; E-mail address: bdjunior@gmail.com

  1. NomenclatureA, B, C, K, k1, k2, z = models' constants; aw = water activity; HST = isosteric heat of sorption (kJ mol−1); L*, a*, b* = color features; Meq = equilibrium moisture content (g of water g of dry matter−1); N = number of data; p = number of constants P = relative percent error (%); PTFE = polytetrafluoroethylene; R = universal constant of gases (8.314 × 10−3 kJ mol−1 K−1); R2 = coefficient of determination; SE = standard error; xm = monolayer moisture content (g of water g of dry matter−1); Y and Ŷ are the experimental equilibrium moisture content and the calculated equilibrium moisture content, respectively.

Publication History

  1. Issue published online: 21 DEC 2012
  2. Article first published online: 21 DEC 2012
  3. Manuscript Accepted: 1 JUN 2012
  4. Manuscript Revised: 15 MAY 2012
  5. Manuscript Received: 31 JAN 2012

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View Full Article (HTML) Get PDF (336K)