Toxicity of the essential oil of Mentha piperita in Arapaima gigas (pirarucu) and antiparasitic effects on Dawestrema spp. (Monogenea)

Malheiros, Dayna Filocreão; Maciel, P. O.; Videira, Marcela Nunes; Tavares‐Dias, Marcos

doi:10.1016/j.aquaculture.2016.01.018

Cited by 55 publications

(45 citation statements)

References 20 publications

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“…Peppermint, Mentha piperita L., is known to have beneficial effects on gastrointestinal tissue, immunomodulating actions and chemopreventive potential (McKay & Blumberg, ). Recently, some authors have shown that peppermint EO has antiparasitic effect against Ichthyophthirius multifiliis (Valladão et al., ) and monogeneans (Costa et al., ; Hashimoto et al., ; Malheiros, Maciel, Videira & Tavares‐Dias, ), and when used in water did not cause negative effects on fish haematology (Hashimoto et al., ). The enhancement of haematological and immune parameters was observed in rainbow trout, Oncorhynchus mykiss (Walbaum) (Adel, Pourgholam, Zorriehzahra & Ghiasi, ), and Caspian white fish, Rutilus frisii kutum (Kamenskii) (Adel, Amiri, Zorriehzahra, Nematolahi & Esteban, ), fed with ethanolic extract of peppermint, and in Asian seabass, Lates calcarifer (Bloch), fed with a powder of peppermint leaves (Talpur, ).…”

Section: Introductionmentioning

confidence: 99%

Practical diets with essential oils of plants activate the complement system and alter the intestinal morphology of Nile tilapia

et al. 2017

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The effect of the essential oils (EOs) of peppermint, Mentha piperita L., and tea tree, Melaleuca alternifolia (Maiden & Betche) Cheel, on the haematological, biochemical, and immunological parameters and intestinal morphology of Nile tilapia, Oreochromis niloticus L., was evaluated. Fish (58.09 ± 5.87 g) were fed 100 mg/kg and 250 mg/kg of each EO and sampled on days 7, 14, 30 and 60 after starting supplementation. The haematological and biochemical parameters were not altered by the supplementation of EOs compared to the control (p > .05). With regard to the immunological parameters, the activation of the complement system of fish fed 250 mg/kg peppermint and 100 mg/kg and 250 mg/kg tea tree EOs were significantly higher compared to the control after 60 days of feeding (p < .05). The complement system plays an essential role in innate immunity and contributes significantly to the acquired immune response; thus, its activation through supplementation with EOs is promising for the formulation of nutritional additives in aquaculture. Regarding intestinal morphology, fish fed 250 mg/kg tea tree EO presented higher villus size compared to all other groups (p < .05), which represents a healthier gut. These fish present a larger intestinal surface, which can result in better absorption and utilization of the nutrients. Based on the responses found in this study, both EOs were considered promising for the formulation of feed additives for Nile tilapia.

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Section: Introductionmentioning

confidence: 99%

Practical diets with essential oils of plants activate the complement system and alter the intestinal morphology of Nile tilapia

et al. 2017

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“…Several studies on EOs have also used biochemical, hematological and histopathological parameters to evaluate signs of toxicity in the oil tested (Hashimoto et al, 2016;Soares et al, 2016;Soares et al, 2017a, b). Malheiros et al (2016) investigated the toxicity of Mentha piperita (20 À1 60 mg L À1 ) towards Arapaima gigas and found alterations on the gills such as epithelial elevations, secondary lamella fusion, hypertrophy and aneurysm, but necrosis occurred only when 160 mg L À1 of M. piperita was used. Consequently, it has often proven impossible to use the best concentrations that were obtained from in vitro tests on EOs, in therapeutic baths for fish, due to toxicity (Malheiros et al, 2016;Hashimoto et al, 2016;Valladão et al, 2016;Soares et al, 2016;Soares et al, 2017a, b).…”

Section: Toxicity Of Essential Oils and Their Major Compounds In Fishmentioning

confidence: 99%

“…Malheiros et al (2016) investigated the toxicity of Mentha piperita (20 À1 60 mg L À1 ) towards Arapaima gigas and found alterations on the gills such as epithelial elevations, secondary lamella fusion, hypertrophy and aneurysm, but necrosis occurred only when 160 mg L À1 of M. piperita was used. Consequently, it has often proven impossible to use the best concentrations that were obtained from in vitro tests on EOs, in therapeutic baths for fish, due to toxicity (Malheiros et al, 2016;Hashimoto et al, 2016;Valladão et al, 2016;Soares et al, 2016;Soares et al, 2017a, b). Therefore, there is always a need to know the sublethal concentrations of each EO for each fish species to be treated.…”

Section: Toxicity Of Essential Oils and Their Major Compounds In Fishmentioning

confidence: 99%

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Current knowledge on use of essential oils as alternative treatment against fish parasites

Tavares‐Dias¹

2018

Aquat. Living Resour.

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-This review article focuses on current knowledge about in vitro and in vivo experimentation relating to use of essential oils (EOs) to combat fish parasites. In addition, we discuss the existing methodologies used in studies to determine the antiparasitic activity of EOs, along with their toxicity and major compounds. The methodological approaches used to describe the anthelmintic properties of EOs were demonstrated. The consistency of their activity and thus their potential use for fish ectoparasites (in vitro and in vivo) and endoparasites (in vitro) control was reviewed. There is a clear need to find EOs and active agents of EOs to treatment in vivo against endoparasites of fish. Thus, progress may be achieved through considering the beneficial aspects of EOs when their complementarity and potentiality are exploited. EOs are therefore viable alternative sources of therapeutic products against fish parasites. On the other hand, use of chemotherapeutics has been increasingly questioned, such that constant environmental and consumer concerns regarding them now exist. The synergistic functions of EOs, in comparison with the action of one or two major compounds of these oils, seems unquestionable. It is possible that their activity is modulated by several molecules of the major compounds. Lastly, EOs are bioactive products that are viable sources of therapy against fish parasites. Although more than 3000 EOs are known, less than 0.4% of them have been tested on fish parasites. Thus, it has become clear that more studies testing these therapeutic alternatives are required, in order to evaluate the antiparasitic potential of other EOs for controlling fish parasites and to maximize their benefits to hosts.

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“…Therapeutic bathes (Hashimoto et al, 2016;Malheiros et al, 2016;Soares et al, 2016) and medicated diet (Kim and Choi, 1998;Forwood et al, 2013;Militz et al, 2013) have been used to control monogenean infestations. The most used treatments for monogenean parasites are formalin, potassium permanganate, sodium chloride, acetic acid, hydrogen peroxide (Kabata, 1985;Thatcher, 1991;Fajer-Ávila et al, 2003;Araújo et al, 2004;Bowker et al, 2012;Chagas et al, 2012;Farmer et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Mebendazole dietary supplementation controls Monogenoidea (Platyhelminthes: Dactylogyridae) and does not alter the physiology of the freshwater fish Colossoma macropomum (Cuvier, 1818)

et al. 2016

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Toxicity of the essential oil of Mentha piperita in Arapaima gigas (pirarucu) and antiparasitic effects on Dawestrema spp. (Monogenea)

Cited by 55 publications

References 20 publications

Practical diets with essential oils of plants activate the complement system and alter the intestinal morphology of Nile tilapia

Practical diets with essential oils of plants activate the complement system and alter the intestinal morphology of Nile tilapia

Current knowledge on use of essential oils as alternative treatment against fish parasites

Mebendazole dietary supplementation controls Monogenoidea (Platyhelminthes: Dactylogyridae) and does not alter the physiology of the freshwater fish Colossoma macropomum (Cuvier, 1818)

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