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:: Volume 25, Issue 3 (10-2016) ::
isfj 2016, 25(3): 263-272 Back to browse issues page
Study on the effect of salinity changes on growth, biomass, and chlorophyll a and carotenoid pigments of microalgae Nannochloropsis oculata
M. Rahimisuruee * 1, K. Rohani Ghadikolaei , F. Mohammadizade
Abstract:   (6205 Views)

In this study the effect of different salinities on growth, biomass and pigments of Chlorophyll a and Carotenoid were tested to determine an appropriate salinity to produce maximum growth, biomass and carotenoids of microalgae (N.oculat).Therefore, the 2-liter flask contains microalga under different levels of salinities (20, 25, 32, 35, 50 ppt), and under laboratory conditions( temperature 25-22 ° C, PH. 8, and light period of 12 h light and 12 h darkness) were cultured for 14 days. The results of present study indicate that The maximum growth of microalgae (72.63×106cell ml–1) and the maximum  specific growth rate of microalgae        (0.33 d⁻1) included in treatments with salinity of 25 and 30 ppt, that had a significant difference with the other treatments (p<0.05) .The maximum dry weight (0.022 g/lit) and amount of chlorophyll a (3.92 mg lit)  was  recorded  in treatments with salinity of 30 ppt and shows significant difference with the other treatment (p<0.05). The Minimum amount of carotenoids (0.41 mg lit) was related to treatment with salinity of 50 ppt. shows a significant difference with other treatments (p<0.05).According to the results we can say that microalgae resistant to high salinity and a wide range of salinity has the ability to grow and produce carotenoids.

Keywords: Salinity, Chlorophyll a, Carotenoid, Growth, Nannochloropsis oculata
Full-Text [PDF 745 kb]   (1365 Downloads)    
Type of Study: Research | Subject: ارزيابي ذخاير و پويايي جمعيت
Received: 2016/02/2 | Accepted: 2016/12/4 | Published: 2016/12/4
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Rahimisuruee M, Rohani Ghadikolaei K, Mohammadizade F. Study on the effect of salinity changes on growth, biomass, and chlorophyll a and carotenoid pigments of microalgae Nannochloropsis oculata. isfj 2016; 25 (3) :263-272
URL: http://isfj.ir/article-1-1498-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 25, Issue 3 (10-2016) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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