What is it about?
Our study explores natural ways to fight harmful bacteria, specifically Vibrio parahaemolyticus, which causes disease in shrimp and has developed resistance to traditional antibiotics. We tested extracts from the red seaweed Gracilaria vermiculophylla using acetone and methanol solvents. We discovered that both extracts significantly inhibited the bacterial growth, with the highest effect seen at a 50 μL concentration. The methanol extract showed a slightly stronger antimicrobial effect (3.24 mm inhibition halo) compared to the acetone extract (3.17 mm). This research highlights the potential of seaweed as a source of natural compounds to combat bacterial infections, offering a promising alternative to synthetic antibiotics in aquaculture.
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Why is it important?
This research offers a natural alternative to synthetic antibiotics for controlling harmful bacteria like Vibrio parahaemolyticus in shrimp farming, helping combat antibiotic resistance.
Perspectives
Moving forward, we plan to identify the specific compounds in these seaweed extracts responsible for their antibacterial activity. This could lead to developing new, natural treatments or feed additives for shrimp aquaculture, promoting healthier farming practices and reducing reliance on conventional antibiotics.
Dr. Anselmo Miranda-Baeza
Universidad Estatal de Sonora
Read the Original
This page is a summary of: COMPOSICIÓN QUÍMICA Y ACTIVIDAD ANTIMICROBIANA DE EXTRACTOS DE MACROALGA Gracilaria vermiculophylla SOBRE Vibrio parahaemolyticus/ CHEMICAL COMPOSITION AND ANTIMICROBIAL ACTIVITY OF DIFFERENT EXTRACTS FROM THE MACROALGAE Gracilaria vermiculophylla AGAINST, BIOtecnia, August 2016, Division de Ciencias Biologicas y de la Salud, UNISON,
DOI: 10.18633/bt.v18i2.277.
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