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:: Volume 12, Issue 4 (7-2018) ::
3 2018, 12(4): 95-106 Back to browse issues page
Effects of seaweed extracts as an alternative culture media on the growth rate and Chlorophyll a and carotenoid rate of microalga Nanochloropsis oculata
Mazyar Yahyavi , Parisa Gharibnia, Kionars Rohani Ghadikolaei
Department of Fishery, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran, P.O.Box: 79159/1311
Abstract:   (422 Views)

Because of pigments, vitamins, fatty acids and proteins and high nutrition value, micro-algae's have important role in aquaculture. Many researchers have done in micro-algae's recently. Hence in this study that was done in aquaculture research center of Marine Ecology of Persian Gulf and Oman sea Institute, we investigated the effects of water extracts of three macroscopic algae, including green (Ulva lactuca, Enthromorpha intistialis), Brown (Colpo meniasinuosa   Sargassum illicifoliu) and Red (Gracilaria corticata Hypnea valentiea) on Growth rate, Chlorophyll a, and carotenoid of microalgae (Nanochloropsis oculata). After collecting from Persian Gulf coastal waters samples were washed dried and extracted. Extracts were cultured in two phases the complementary and replace with F2 culture media for 14 days. The results showed that water extracts have higher density, specific growth index and carotenoid content in S. illicifolium as a complementary and lower result in H. valentieas a replacement with significant differences (P<0.05). Minimum, Chlorophyll a has been observed in E.   intistialis treatment and maximum in S. illicifolium  treatment with significant differences (P<0.05). Maximum carotenoid in S. illicifolium treatment and Minimum in H. valentiea treatment with significant differences (P<0.05). Finally it can be concluded that this algae extracts can be used as an auxiliary and rich maker in improvement of these parameters.
 

Keywords: Macroscopic algae exctract, Culture Media. Growth Rate, Chlorophyll a, carotenoid, Nanochloropsiso aculata
Full-Text [PDF 844 kb]   (144 Downloads)    
Type of Study: Research | Subject: Special
Received: 2017/05/1 | Accepted: 2017/06/21 | Published: 2019/01/6
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Yahyavi M, Gharibnia P, Rohani Ghadikolaei K. Effects of seaweed extracts as an alternative culture media on the growth rate and Chlorophyll a and carotenoid rate of microalga Nanochloropsis oculata. 3. 2018; 12 (4) :95-106
URL: http://aqudev.liau.ac.ir/article-1-463-en.html


Volume 12, Issue 4 (7-2018) Back to browse issues page
نشریه توسعه آبزی پروری Journal of Aquaculture Development
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