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ZJUS-B
Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2005, Vol. 6 Issue ( 6): 12-    DOI: 10.1631/jzus.2005.B0514
    
Application of derivative ratio spectrophotometry for determination of |?-carotene and astaxanthin from Phaffia rhodozyma extract*
NI Hui, HE Guo-qing, RUAN Hui, CHEN Qi-he, CHEN Feng
Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310029, China; Department of Food Science and Human Nutrition, Clemson University, Clemson, South Carolina 29634, USA
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Abstract  A derivative ratio spectrophotometric method was used for the simultaneous determination of |?-carotene and astaxanthin produced from Phaffia rhodozyma. Absorbencies of a series of the standard carotenoids in the range of 441 nm to 490 nm demonst

Key words： Food Science and Human Nutrition Derivative ratio spectrum      β-carotene      Astaxanthin      Spectrophotometry     
Received: 01 December 2004     
CLC:  TQ926.4  
  O657  
  Q939.97  
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NI Hui
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NI Hui, HE Guo-qing, RUAN Hui, CHEN Qi-he, CHEN Feng. Application of derivative ratio spectrophotometry for determination of |?-carotene and astaxanthin from Phaffia rhodozyma extract*. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2005, 6( 6): 12-.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.2005.B0514     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2005/V6/I 6/12

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