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Seawater-retting treatment of hemp and characterization of bacterial strains involved in the retting process

Paper ID Volume ID Publish Year Pages File Format Full-Text
35308 45086 2008 7 PDF Available
Title
Seawater-retting treatment of hemp and characterization of bacterial strains involved in the retting process
Abstract

Pectin and hemicellulose contents were proportionally lower in the seawater-retted fibers compared with the raw hemp fiber according to the Fourier-transform infrared spectroscopy (FTIR) and chemical analyses. Also, the scanning electron microscopy (SEM) observation revealed the non-cellulosic gummy materials in hemp fibers could be removed to a considerable extent by the seawater-retting treatment. Cultivable bacteria involved in this retting process were isolated, and three of purified strains (SW-1, SW-2, and S-SW1) produced relatively high levels of pectinase activities and had good retting ability. The ERIC-PCR fingerprints of stains SW-1, SW-2, and S-SW1 were different, and should be further identified for each isolate. Strains SW-1 and SW-2 were identified as Stenotrophomnas maltophilia, while strain S-SW1 was assigned to Ochrobactrum anthropi by BIOLOG system. These two species represented rhizosphere bacterial genera, and were possibly introduced by the hemp plants. These organisms seemed potentially capable of producing pectinase, and thus effectively degrading pectin substances in this retting process.

Keywords
Seawater retting; Strains; Characterization; Identification; BIOLOG system; ERIC-PCR
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 11, November 2008, Pages 1195–1201
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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Any Questions? feel free to contact us