OPTIMIZATION OF B-CAROTENE PRODUCTION IN DUNALIELLA SALINA TEOD. GROWN ON DIFFERENT NATURAL MEDIA | ||
| Egyptian Journal of Phycology | ||
| Article 4, Volume 3, Issue 1, 2002, Pages 49-58 PDF (2.4 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/egyjs.2002.113426 | ||
| Authors | ||
| A. M. Kassem; A. F. Khaleafa; S. H. Shaalan; D. M. Maghrabi | ||
| Botany Department, Faculty of Science, Alexandria University, | ||
| Abstract | ||
| Synthesis of β -carotene and chlorophylls in Dunaliella salina cells grown on whey, fermentation liquor and molasses were studied. The obtained results indicated that : [1] Fermentation liquor at concentration of 0.4% in 1/4 MH medium could replace the original MB medium. This state of culturing will save the chemicals used in the MR medium. [2] The amount of β-carotene synthesized in the presence of whey and fermentation liquor after 8 days of culturing were higher than the other culture treatments. [3] CaC12.2H2O was found to be a significant factor for the synthesis of β -carotene in Dunaliella salina. [4] NaC1 was the most significant factor affecting β -carotene synthesis in Dunaliella salina. [5] β -carotene optimization obtained at a medium where all the factors were absent except NaCl. | ||
| Keywords | ||
| Dunaliella salina; β -carotene; optimization | ||
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