Isolation and characterization of vanillin from coconut husk lignin via alkaline nitrobenzene oxidation

• Main Authors: Ngadi, Norzita, Abdul Halim, Noor Amirah, Mohamad Ibrahim, Mohamad Nasir
• Format: Article
• Language: English
• Published: Penerbit UTM 2014
• Subjects: TP Chemical technology
• Online Access: http://eprints.utm.my/id/eprint/53276/1/NorzitaNgadi2014_Isolationandcharacterizationofvanillin.pdf; http://eprints.utm.my/id/eprint/53276/; http://dx.doi.org/10.11113/jt.v67.2786
• Institution: Universiti Teknologi Malaysia

Isolation of vanillin from lignin extracted from coconut husk is presented in this study. Phosphoric acid (20%) is employed to precipitate the lignin from the black liquor produced by cooking the mixture of coconut husk and 1M NaOH in steam autoclave at 121°C for one hour. Separation of vanillin fro...