Poly(lactide) Degradation By Pseudocardia alni AS4.1531

Maytiya Konkit, Amnat Jarerat, Chartchai Kamongnuch, Saisamorn Lumyong and Wasu Pathom-aree
* Author for corresponding; e-mail address: wasu.p@cmu.ac.th
Volume: Vol.39 No.1 (JANUARY 2012)
Short Communication
DOI:
Received: 8 November 2011, Revised: -, Accepted: 4 January 2012, Published: -

Citation: Konkit M., Jarerat A., Kamongnuch C., Lumyong S. and Pathom-aree W., Poly(lactide) Degradation By Pseudocardia alni AS4.1531, Chiang Mai Journal of Science, 2012; 39(1): 128-132.

Abstract

Twenty actinobacterial strains belong to the genus Pseudonocardia were screened for their ability to degrade poly (lactide) plastic. Pseudonocardia alni AS4.1531^T was the only strain that decreased PLA film weight by more than 70% in eight days. This strain could degrade 35.8 mg out of 50 mg PLA films in liquid culture containing 0.1% (w/v) gelatin. In addition, Pseudonocardia alni AS4.1531^T assimilated the major degradation product, lactic acid.

Keywords: Poly(lactide), Degradation, Pseudonocardia alni AS4.1531

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