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Supplementary Effect of Vitamin C and Squid Liver Oil on the Nutritional Value of Baker's Yeast for the Population Growth of the Rotifer Brachionus plicatilis


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Title: Supplementary Effect of Vitamin C and Squid Liver Oil on the Nutritional Value of Baker's Yeast for the Population Growth of the Rotifer Brachionus plicatilis
Other Titles: ビタミンCとイカ肝油添加によるパン酵母のシオミズツボワムシに対する栄養価値の改善
Authors: Satuito, Cyril Glenn / Hirayama, Kazutsugu
Authors (alternative): サトイト, C. G / 平山, 和次
Issue Date: Mar-1991
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告, v.69, pp.7-11; 1991
Abstract: The present study investigated the supplementary effect of vitamin C and squid liver oil on the nutritional value of baker's yeast for the population growth of the rotifer Brachionus plicatilis. Rotifers were axenically cultured in the basic food suspension and in the food suspension containing the nutrients. Vitamin C showed supplementary effect at all concentrations tested. Highest rotifer growth was observed when the vitamin was added at 4.0 ug/ml to the basic food suspension. Rotifer growth was also improved by addition of squid liver oil to the yeast suspension. This indicates that the rotifer incorporated squid liver oil as exogenous source of fatty acids for its own purpose. / パン酵母のシオミズツボワムシ(以下ワムシと略記)に対する餌料的欠陥は各種栄養素の添加によって,改善できることはすでに報告されている。本実験では,パン酵母の栄養価値改善に関する基礎的研究の一環として,ビタミンCとイカ肝油のパン酵母に対する補強効果を調べた。基本餌料懸濁液とそれに試験栄養素を加えた試験餌料懸濁液とでL型ワムシを無菌的に飼育し,その増殖を比較することによって添加効果を判定した。ビタミンCを各濃度段階で基本餌料懸濁液に添加した場合,基本餌料に比べてワムシは高い増殖を示した。また,イカ肝油を酵母の懸濁液に添加することによってワムシの増殖が向上したことから,ワムシがイカ肝油を体内に取り込み,かつ栄養源として利用していることも明らかになった。
Keywords: rotifer / baker's yeast / nutritional value / vitamin C / squid liver oil
URI: http://hdl.handle.net/10069/29881
ISSN: 05471427
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:第69号

Citable URI : http://hdl.handle.net/10069/29881

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