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OALib Journal期刊
ISSN: 2333-9721
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EFFECTS OF La~(3 ), Ce~(3 ), Nd~(3 ) ON THE GROWTH AND CAROTENOIDS CONTENT OF PHAFFIA RHODOZYMA
稀土元素对红酵母的生长及类胡萝卜素合成的影响

Keywords: Rare-earth elements,Phaffia rhodozyma,Carotenoids,Amino acid composition,Biomass
稀土元素
,Phaffia,类胡萝卜素,氨基酸组成,生物量

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Abstract:

The effects of La3 , Ce3 and Nd3 on the growth, carotenoids content and amino acid compositionof Phaffia rhodozyma were studied. The experimental data showed that lower concentrations of LaCl3 CeCl3, NdCl3barely slightly iuhibited cell growth, but stimulated the carotenoids synthesis of Phaffia rhodozyma .The carotenoids content of P. rhodozyma was increased by 32.1% due to 20mg/L LaCl3 in the media, and36.8% due to 5mg/ L CeCl3, 42.8% due to 50mg/L NdCl3.Some changes in the composition of amino acid caused by the rare earth elements were determined.

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