Abstract:
PURPOSE: An antibacterial and antiprotozoal composition containing bromophenol-based compounds is provided to suppress and treat Scutica and Edwardsiella tarda. CONSTITUTION: An antibacterial and antiprotozoal composition contains 0.001-0.1% bromophenol-based compounds as an active ingredient. The composition additionally contains organic acid and formalin. The composition contains a compound with electron donor functional groups placed at 4th site of a 2-bromophenol structure. The composition is treated in seawater or fresh water.
Abstract:
PURPOSE: An anti-scuticociliatic composition containing Polysiphonia morrowii Harvey extract or compounds isolated from the extract is provided to reduce fish death by scuticociliates. CONSTITUTION: An anti-scuticociliatic composition contains Polysiphonia morrowii Harvey extract or compounds isolated from the extract as an active ingredient. The extract is isolated by non-polarity solvent. The non-polarity solvent is selected from the group consisting of MeOH, n-hexane, or CH_2Cl_2.
Abstract:
본 발명은 브로모페놀계열 화합물을 유효성분으로 포함하여 병원성세균 및 원충류로 인한 어병을 예방, 치료 또는 억제하기 위한 항세균 및 항원충 조성물에 관한 것으로, 본 발명에 따른 항세균 및 항원충 조성물은 기존에 공지된 브로모페놀류 화합물에서는 밝혀지지 않은 항세균 효과를 제공하고, 또한 기존에 공지된 브로모페놀류 화합물보다 최대 30 내지 60배 높은 항원충 효과를 나타내므로, 넙치를 비롯한 어류 양식장에서 사용할 경우 양식 어류의 스쿠티카증, 에드와드병을 비롯한 세균성 어병의 예방, 치료 및 억제에 크게 기여할 수 있다.