Farklı LED Işık Kaynaklarının Dunaliella salina Teodoresco (Chlorophyceae) Büyüme ve Pigment İçeriğine Etkisi

Bu çalışmada Ayvalık (Balıkesir) tuz üretim tesisinden izole edilen yeşil alglerden D. salina Teodoresco’nın kırmızı, mavi, sarı LED (Light Emitting Diode) ışık kaynakları kullanılarak Değiştirilmiş Johnson (DJ) ortamında yetiştiriciliği yapılmıştır. Deneme gruplarının büyüme hızı, pigment ve yağ içeriklerinde meydana gelen değişimler izlenmiştir. Denemeler süresince en yüksek hücre sayısı ve büyüme hızı kırmızı LED lamba altında sırasıyla 335,3 x 104 hc ml-1 ve 4,30 gün-1 olarak elde edilmiştir. Dunaliella salina hücrelerinin en yüksek klorofil a ve β-karoten içerikleri sırasıyla 10,70 ve 3,49 mg l-1 olarak kontrol grubunda tespit edilmiştir. En yüksek ham yağ içeriği ise, sarı LED lamba uygulamasında %18 olarak bulunmuştur. Yapılan çalışma sonucunda LED lambaların D. salina’nın büyümesi ve biyokimyasal kompozisyonu üzerine olumlu etkilerinin olduğu saptanmıştır.

Anahtar Kelimeler:

biyokimyasal kompozisyon, Dunaliella salina, büyüme, LED ışık kaynakları, Yetiştiricilik

Effect of Different LED Light Sources on Growth and Pigment Composition of Dunaliella salina Teodoresco (Chlorophyceae)

In this study, the effects of red, blue, and yellow LED lights on cell number, growth rate, pigment, and crude oil contents of the green algae, Dunaliella salina Teodoresco, isolated from Ayvalık (Balıkesir) saltworks, were investigated. The highest cell number and growth rate were found algae grown in the red LED treatment as 335.3 x 104 cell ml-1 and 4.30 days-1, respectively. The highest chlorophyll a and β-carotene contents of Dunaliella salina cells were determined in the control group as 10.70 and 3.49 mg l-1, respectively. The highest crude oil content was determined as 18% in the yellow LED treatment. Our results showed that LED lamps positively affect the growth and biochemical composition of Dunaliella salina.

Keywords:

biochemical composition, Dunaliella salina, growth, Aquaculture, LED Light Sources,

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