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Polish Journal of Chemical Technology

The Journal of West Pomeranian University of Technology, Szczecin

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Volume 15, Issue 4


Extraction protocol for isolation of CNSL by using protic and aprotic solvents from cashew nut and study of their physico-chemical parameter

Tejas S. Gandhi
  • Sardar Vallabhbhai National Institute of Technology (SVNIT), Department of Applied Chemistry, Surat-395007, Gujarat, India
  • Other articles by this author:
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/ Bharatkumar Z. Dholakiya
  • Corresponding author
  • Sardar Vallabhbhai National Institute of Technology (SVNIT), Department of Applied Chemistry, Surat-395007, Gujarat, India
  • Email
  • Other articles by this author:
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/ Mayank R. Patel
  • Department of Surface Coating and Technology, ISTAR, Vallabh Vidyanagar-388120, Gujarat, India
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  • De Gruyter OnlineGoogle Scholar
Published Online: 2013-12-31 | DOI: https://doi.org/10.2478/pjct-2013-0062


Cashew nut shell liquid (CNSL) represents the largest readily available bioresource of alkenyl phenolic compounds. (CNSL) and its derivatives are widely used in polymer-based industries, synthesis of chemicals and intermediates, including bactericides, insecticides and surface active agents. In this work extraction of cashew nut shell liquid from cashew nut shell (CNS) was carried out by using the Soxhlet extraction method in the presence of polar & non-polar solvents. From the extracted CNSL, anacardic acid was selectively isolated and acid free CNSL was treated with liquor ammonia to separate the cardanol and cardol in the stepwise manner. Comparative study for the extracted CNSL and S-was performed. Higher amount of extracted CNSL was obtained from polar solvents. They were all characterized using quantitative analysis by HPLC.

Keywords : Cashew nut shell; Cashew nut shell liquid; Cardanol; Soxhlet apparatus

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About the article

Published Online: 2013-12-31

Published in Print: 2013-12-01

Citation Information: Polish Journal of Chemical Technology, Volume 15, Issue 4, Pages 24–27, ISSN (Online) 1899-4741, ISSN (Print) 1509-8117, DOI: https://doi.org/10.2478/pjct-2013-0062.

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