Abstract
Purpose of work
Conditions for the cell disruption of Xanthophyllomyces dendrorhous by using a bead beater have been optimized with respect to maximizing the recovery of carotenoids and transfructosylating enzymes in a one-step process.
The optimal conditions for a one-step extraction of carotenoids and transfructosylating enzymes from Xanthophyllomyces dendrorhous were: 30 g dry cells/l being disintegrated with 0.5 mm diam. glass beads at 10°C for 15 min using a bead beater. More than 90% yeast disruption and, when extracted with hexane/ethyl acetate, 28.6 mg carotenoids/l in the organic solvent phase and 440 U transfructosylating enzyme activity/mg protein in the water phase were obtained.



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Acknowledgment
The authors are grateful for the financial support of National Science Council, Taiwan, People’s Republic of China (NSC95-2313-E-005-054).
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An erratum to this article can be found at http://dx.doi.org/10.1007/s10529-011-0803-5
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Lee, SC., Fang, T.J. Simultaneous extraction of carotenoids and transfructosylating enzyme from Xanthophyllomyces dendrorhous by a bead beater. Biotechnol Lett 33, 109–112 (2011). https://doi.org/10.1007/s10529-010-0400-z
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DOI: https://doi.org/10.1007/s10529-010-0400-z

