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PRODUCTION OF CAROTENOIDS (ANTIOXIDANTS/ COLOURANT) IN SPIRULINA PLATENSIS IN RESPONSE TO INDOLE ACETIC ACID (IAA)

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Author(s): Munawer Khan Mohammed, | Mazharuddin Khan Mohd

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 6;
Start page: 4973;
Date: 2011;
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Keywords: Spirulina platensis | Antioxidants | colourant | Carotenoids | IndoleAceticacid | chlorophyll- a | Growth

ABSTRACT
The Carotenoid compounds (antioxidants) synthesis in spirulina platennsis was studied in vitro under the influence of the Indole Acetic Acid (IAA). Spirulina platensis is grown in Zarrouks medium supplemented with different concentration of Indole Acetic Acid ( 1μg/ml–10μg/ml ). The gradual increase in the total Carotenoidscontent was recorded from 1- 6 μg/ml of IAA. Inhibition in the synthesis of Carotenoids compounds was noticed in 7μg/ml-10μg/ml the similar trend was also observed with synthesis of chlorophyll a .Growth of Spirulina was also inhibited at higher level of IAA .Maximum production of Carotenoid compounds noticed at 6μg/ml IAA.
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