Article ; Online: Ocimum gratissimum essential oil in the transport water of Brycon hilarii: implications at water quality, blood parameters and residues in tissue and plasma.
Brazilian journal of biology = Revista brasleira de biologia
2024 Volume 84, Page(s) e280240
Abstract: Transporting live fish is a common practice in fish farming, and is certainly one of the main problems that affect fish homeostasis. In this scenario, the use of natural additives has shown promise in improving fish resistance to adverse situations. This ...
Abstract | Transporting live fish is a common practice in fish farming, and is certainly one of the main problems that affect fish homeostasis. In this scenario, the use of natural additives has shown promise in improving fish resistance to adverse situations. This study aimed to assess the impact of Ocimum gratissimum L. essential oil (OGEO) on water quality, hematological parameters, and residue levels in the plasma, fillet, and liver of juvenile piraputanga (Brycon hilarii) during a two-hour transportation period. The fish were divided into plastic bags (4 L) and exposed to three different OGEO concentrations (10, 20, and 30 mg L-1), while a control group received no OGEO (three repetitions each). After the two-hour transportation, blood samples were collected, as well as portions of the fillet and liver for quantifying essential oil compounds, which were also measured in the plasma. Oxygen levels remained high throughout the transportation period, in all groups, while the pH decreased. Hemoglobin, MCHC, and MCH increased in fish exposed to OGEO concentrations of 20 and 30 mg L-1, compared to the control group. However, lymphocyte counts and the concentrations of essential oil compounds in plasma, fillet, and liver increased with higher OGEO concentrations. The use of 10 mg L-1 OGEO in the two-hour transport water is promising to ensure the survival and well-being of Brycon hilarii juveniles (weighing 16 g), showing to be safe and effective. The residual concentration of eugenol the major compound of OGEO in the fillet remains below the maximum limit of the recommended daily intake. |
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MeSH term(s) | Animals ; Ocimum/chemistry ; Water Quality ; Oils, Volatile/chemistry ; Liver/chemistry ; Liver/drug effects ; Transportation ; Characiformes/blood ; Water Pollutants, Chemical/analysis |
Chemical Substances | Oils, Volatile ; Water Pollutants, Chemical |
Language | English |
Publishing date | 2024-04-29 |
Publishing country | Brazil |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2036257-2 |
ISSN | 1678-4375 ; 1519-6984 |
ISSN (online) | 1678-4375 |
ISSN | 1519-6984 |
DOI | 10.1590/1519-6984.280240 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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