Picochlorum屬藻株及其應用STRAIN OF PICOCHLORUM AND APPLICATION THEREOF

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

100140021

專利證號

I 432146

專利獲證名稱

Picochlorum屬藻株及其應用STRAIN OF PICOCHLORUM AND APPLICATION THEREOF

專利所屬機關 (申請機關)

國立成功大學

獲證日期

2014/04/01

技術說明

本發明係關於一種用於生產食用製品之Picochlorum屬藻株、一種用於育苗或飼養成體之Picochlorum屬藻株以及一種Picochlorum屬藻株用於育苗或飼養成體的用途。 在以S1b投餵極小型壺形輪蟲 (Brachionus sp.) 時，發現輪蟲的增殖率及帶卵率分別可達0.54 ± 0.05以及0.35 ± 0.10，與東港水試所的擬球藻分析結果0.58 ± 0.04以及0.27 ± 0.11並無顯著差異。進一步分析S1b的營養成分，發現其蛋白質高達乾重的55.3 %，因此有利於輪蟲的培養，然而在維生素B12的含量，S1b為0.62 ppm，低於文獻中最佳的輪蟲藻餌– Tetraselmis chuii的1.92 ppm，可能是影響其培養效果的原因。後續可進一步地研究能否透過添加維他命B12至培養基中，達到滋養S1b以改善其培養輪蟲的效果。 The present invention relates to a strain of Picochlorum sp.. The strain is used to produce edible products or is used for larval rearing or feeding adult fish. The present invention also relates to a use of a strain of Picochlorum sp. for larval rearing or feeding adult fish. When S1b was fed to super small-sized strain of rotifer (Brachionus sp.), the egg ratio and reproductive rate could achieve 0.54 ± 0.05 and 0.35 ± 0.10 respectively, which were no less than 0.58 ± 0.04 and 0.27 ± 0.11, the egg ratio and reproductive rate obtaining by feeding rotifer with Nannochloropsis oculata. The results of nutrition analysis showed the S1b has very high protein content (55.3 % dry biomass) but low vitamin B12 content, which could be the reason why S1b is worse than Tetraselmis chuii for growing rotifers. More work is needed to see if the S1b enriched with vitamin B12 performed better for growing rotifers.

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