高產(chǎn)蝦青素紅法夫酵母發(fā)酵工藝及培養(yǎng)基優(yōu)化
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中圖分類號TS202.3文獻標(biāo)識碼A文章編號 0517-6611（2025）12-0129-04
doi：10.3969/j.issn.0517-6611.2025.12.029
開放科學(xué)（資源服務(wù)）標(biāo)識碼（OSID）：
Fermentation Process and Culture Medium Optimization for High Astaxanthin Producing by Phaffia rhodozyma ZHU Chao-yang，TIAN Shao-yang，LI Hui-ying etal（Luoyang Chihonbiotechnology Co.，Ltd.，Luoyang，Henan 47100
AbstractObjective]TostudytheefectsoffermentationconditionsandmedumfomulationontheproductionofastaxanthinbyPaffa rhodozma.MethdIntiallyinglefctoxpeintseoducedtvestigatettsofliiotempeaturendu quently，eachpotisiceatiadiiallstedoghglectxpetsialli tionalcomponentswreaddedorremovedfrothebasicfermentationmedim，andachodfcationwastestedseparately.Resultftera 120h fermentation process，the biomass increased from 22.0 to 38.4g/L ，while the astaxanthin yield rose from 38.5 to 150.1mg/L. [Conclusion]The optimal cultivation condition is 20% ， pH5.0.A nd the optimal medium formula is glucose 30.0g/L ， yeast extract 3.0g/L ，peptone 1.0g/L ， hydrolyzed soybean meal 4.5g/L ，corn steep powder 3.0g/L ，ammonium sulfate 5.5g/L ，MgSO4 ·7H2O 0.1g/L ;the cultivation time is 120h ：
Key wordsAstaxanthin; Phafa rhodozyma ; Culture medium optimization;Fermentation process optimization
蝦青素（Astaxanthin）是一種類胡蘿卜素[1]，化學(xué)名稱為3，3′ -二羥基- ?β，β′- 胡蘿卜素 -4，4′ -二酮，分子式為 C40H52 04[2] ，其廣泛存在于甲殼綱動物（如蝦、蟹）等、魚類（如鮭魚、紅鱒魚）及鳥類（如火烈鳥、紅鸚和火雞等）中[3]。（剩余8454字）