In vivo evaluation of antiparasitic activity of plant extracts on Nosema ceranae (Microsporidia)

This study evaluated the activity of plant extracts on Nosema ceranae development and their toxicity on the infected host Apis mellifera . Newly emerged bees were fed ad libitum with enriched syrups after individual infection. Diets consisted of ethanolic extracts obtained from Artemisia absinthium,...

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Bibliographic Details
Published in:Apidologie 2011-11, Vol.42 (6), p.700-707
Main Authors: Porrini, Martín Pablo, Fernández, Natalia Jorgelina, Garrido, Paula Melisa, Gende, Liesel Brenda, Medici, Sandra Karina, Eguaras, Martín Javier
Format: Article
Language:English
Subjects:
Agricultural sciences
Allium sativum
Animal biology
Animal production studies
Animal productions
Apiculture
Apis mellifera
Artemisia absinthium
Biodiversity
Biological and medical sciences
Biomedical and Life Sciences
Development
Diets
Ecology, environment
Entomology
Fundamental and applied biological sciences. Psychology
Ilex
Infection
Insecta
Invertebrate Zoology
Invertebrates
Laurus nobilis
Life Sciences
microsporidia
Midgut
Nosema
Nosema apis
Original Article
Plant extracts
Spores
Syrups
Terrestrial animal productions
Toxicity
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Summary:This study evaluated the activity of plant extracts on Nosema ceranae development and their toxicity on the infected host Apis mellifera . Newly emerged bees were fed ad libitum with enriched syrups after individual infection. Diets consisted of ethanolic extracts obtained from Artemisia absinthium, Allium sativum, Laurus nobilis , and Ilex paraguariensis diluted in syrup at 1% and 10% concentrations. Examination of individual midgut homogenates on day 19 post-infection indicated that 1% concentration of L. nobilis extract significantly inhibited N. ceranae development. Absinth extract, previously reported as effective against Nosema apis , did not diminish the number of N. ceranae spores throughout the experiment. Ten percent concentrations showed high toxicity on infected bees, but also a significant activity diminishing parasitosis development in short periods. Syrups with the addition of extracts were consumed avidly as the control, even more in some cases. The present study constitutes the first report of antiparasitic activity in vivo of plant extracts against the Microsporidian N. ceranae and postulate natural substances as an alternative for antiparasitic treatment.
ISSN:0044-8435
1297-9678
DOI:10.1007/s13592-011-0076-y