Subba Rao, Ch. ; Prakasham, R. S. ; Bhaskar Rao, A. ; Yadav, J. S. (2008) Functionalized alginate as immobilization matrix in enantioselective L (+) lactic acid production by Lactobacillus delbrucekii Applied Biochemistry and Biotechnology, 149 (3). pp. 219-228. ISSN 0273-2289
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Official URL: http://www.springerlink.com/content/k351u567n5r54k...
Related URL: http://dx.doi.org/10.1007/s12010-007-8052-8
Abstract
The imperative role of functionalized natural alginate in immobilization of Lactobacillus delbrucekii (NCIM 2365) cells in production of optically pure L (+) lactic acid was studied. L. delbrucekii cells were immobilized in alginate, succinylated alginate and carrageenan to evaluate the bead stability and selectivity towards production of optically pure L (+) lactic acid. The scanning electron microscopic studies of free and immobilized cells show little morphological changes. The present study highlights the use of functionalized alginate-immobilized L. delbrucekii cells in production of L (+) lactic acid in higher yields (0.93 Yp/s in grams) with an improved enantioselectivity (99%). In addition, they further revealed decreased by-product formation (acetic and propionic acid) when compared to free and other immobilized cell fermentation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Alginate; Derivatization; Immobilization; Lactic Acid; Lactobacillus delbrucekii |
| ID Code: | 62812 |
| Deposited On: | 24 Sep 2011 04:55 |
| Last Modified: | 24 Sep 2011 04:55 |
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