UTILIZATION OF POTATO-CHIPS WASTE FOR PRODUCTION OF HIGH ECONOMIC VALUE PRODUCTS: III - PRODUCTION OF LACTIC ACID | ||||
| Journal of Food and Dairy Sciences | ||||
| Article 5, Volume 32, Issue 9, September 2007, Page 7437-7446 PDF (508.11 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jfds.2007.204713 | ||||
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| Authors | ||||
| M. Korish1; S. Y. El-Sanat1; Om El-Saad E. El-Gammal2 | ||||
| 1Food Science and Technology Dept., Fac. Agric., Kafr El-Sheikh Univ., Kafr El-Sheikh, Egypt | ||||
| 2Food Science and Technology Dept., Fac. Of Home Economics Al-Azhar Univ., Egypt. | ||||
| Abstract | ||||
| The potential use of potato chips waste as a cheap substrate for lactic acid production by Rhizopus arrhizus NRRL 1526 in a simultaneous saccharification and fermentation was studied. Maximum lactic acid concentration of (17.10g/L) and yield (0.95 g/g starch) were produced when the fungus was cultivated at the determined optimum conditions of medium at pH 6, fermentation temperature 30 oC, starch concentration 18g/L, nitrogen concentration 0.4g/L in form of ammonium for cultivation period of 54 hr. Lactic acid used for safe human consumption in the processed meat, poultry industries, salads and confectionery. | ||||
| Keywords | ||||
| potato-chips waste; lactic acid; simultaneous saccharification and fermentation | ||||
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