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نویسندگان مقالات پربازدید :
فناوری منابع زیستی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • a novel potential source of β-carotene: eustigmatos cf. polyphem (eustigmatophyceae) and pilot β-carotene production in bubble column and flat panel photobioreactors

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 570
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     carotenoids profile of the unicellular eustigmatos cf. polyphem (eustigmatophyceae) and β-carotene production of the microalga in bubble column and large flat panel bioreactors were studied. the microalga which contained β-carotene, violaxanthin and vaucheriaxanthin as the major carotenoids accumulated large amount of β-carotene. the β-carotene production of this microalga in the bubble column bioreactor was considerable, with the maximum intracellular β-carotene content reaching 60.76 mg g−1, biomass reaching 9.2 g l−1, and β-carotene yield up to 470.2 mg l−1. the β-carotene productions in two large flat panel bioreactors were relatively lower, whereas over 100 mg β-carotene l−1 was achieved. besides, high light intensity helped to accumulate intracellular β-carotene and biomass. deficient nitrate supply inhibited biomass growth, though it helped to accumulate β-carotene. our results first proved that e. cf. polyphem was a potential source and producer of β-carotene, making it an interesting subject for further β-carotene study or commercial exploration.

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