Dietary nutrients such as amino acids, vitamins, minerals and antioxidants can play a significant role in determining meat quality and also the growth rate of poultry or animal. Phaffia rhodozyma was grown on waste from brewery industry to produce astaxanthin rich feed supplements at a very low cost. Phaffia rhodozyma is yeast specie that has ability to produce carotenoids and approximately 80% of its total carotenoid content is astaxanthin, which is highly valuable carotenoid for food, feed and aquaculture industry. This study was carried out to test yeast extract of spent yeast from brewing industry waste (residual yeast) as potential nitrogen source for growth of Phaffia rhodozyma. Cultivation was carried out in liquid media prepared by yeast extracts and other components (glucose and peptone). Carotenoids from the biomass were released into biomass by suspending cells in DMSO for destruction of cells followed by extraction with petroleum ether. The extracted carotenoids were studied by spectrophotometry to identify and quantify astaxanthin and other carotenoids produced.
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26 September 2017
PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2017): Proceedings of the IV International Young Researchers’ Conference
15–19 May 2017
Ekaterinburg, Russian Federation
Research Article|
September 26 2017
Production of astaxanthin rich feed supplement for animals from Phaffia rhodozyma yeast at low cost
Ayesha Irtiza;
Ayesha Irtiza
a)
Institute of Chemical Technology, Ural Federal University
, 19 Mira St., Yekaterinburg, Russia
, 620002
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Svetlana Shatunova;
Svetlana Shatunova
b)
Institute of Chemical Technology, Ural Federal University
, 19 Mira St., Yekaterinburg, Russia
, 620002
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Tatiana Glukhareva;
Tatiana Glukhareva
c)
Institute of Chemical Technology, Ural Federal University
, 19 Mira St., Yekaterinburg, Russia
, 620002
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Elena Kovaleva
Elena Kovaleva
d)
Institute of Chemical Technology, Ural Federal University
, 19 Mira St., Yekaterinburg, Russia
, 620002
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a)
Corresponding author: [email protected]
AIP Conf. Proc. 1886, 020105 (2017)
Citation
Ayesha Irtiza, Svetlana Shatunova, Tatiana Glukhareva, Elena Kovaleva; Production of astaxanthin rich feed supplement for animals from Phaffia rhodozyma yeast at low cost. AIP Conf. Proc. 26 September 2017; 1886 (1): 020105. https://doi.org/10.1063/1.5003002
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