Effect of Nitrogen Sources on the Growth and Docosahexaenoic Acid Accumulation in Crypthecodinium cohnii

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摘要 Theeffectofvariousnitrogensourcesonthegrowthanddocosahexaenoicacid(DHA)yieldisdeterminedinCrypthecodiniumcohniiATCC30556.Singlenitrogentryptoneandpeptonearesuitabletogrowth,thedryweightbiomassisupto2.78g/Land2.70g/Lrespectivelyonmediumcontaining0.34g/Lnitrogen.PeptoneisafavorablenitrogensourceforDHAaccumulation,DHAyieldincreasesupto338.56mg/L.UsingpeptoneandKNO3asamultiplenitrogensource,thehighestbiomassandDHAyieldareobtainedfrommediacontaining0.34g/Lnitrogeninwhichtheratioofpeptone-N:NO3--Nis1:2,andthebiomassandDHAyieldare2.98g/L(DW)and527.97mg/Lrespectively.
机构地区 不详
出处 《海洋通报:英文版》 2002年1期
出版日期 2002年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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