6. Preparation of Plant Material for Extraction

  1. Mathew Attokaran

Published Online: 7 FEB 2011

DOI: 10.1002/9780470959152.ch6

Natural Food Flavors and Colorants

Natural Food Flavors and Colorants

How to Cite

Attokaran, M. (2011) Preparation of Plant Material for Extraction, in Natural Food Flavors and Colorants, Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470959152.ch6

Author Information

  1. Plant Lipids Limited, Cochin, India

Publication History

  1. Published Online: 7 FEB 2011
  2. Published Print: 18 MAR 2011

ISBN Information

Print ISBN: 9780813821108

Online ISBN: 9780470959152



  • plant material preparation - for extraction;
  • processing of natural flavoring and color materials - and unit operations;
  • steam distillation and solvent extraction - two major steps;
  • drying, of plant materials - use as such or in making extractives;
  • drying, ensuring protection from spoilage;
  • size reduction, all natural flavoring and coloring materials - and size reduction;
  • Hammer Mill process, swinging hammer inside a metal case;
  • Hammer Mill, efficient size type - reducing equipment for tough products;
  • spices, passage through roller mills - break up of cells, without increase in temperature;
  • cutter mills - thin blades, rotating at high speed in case with high clearance


This chapter contains sections titled:

  • Drying

  • Size Reduction

  • Hammer Mill

  • Fixed Head Mills

  • Plate Mill

  • Roller Mill

  • Cutter Mills

  • References