Taghavi Nezhad, M., Alipour, D., Torabi Goudarzi, M., Zamani, P., Khodakaramian, G. (2011). Dose Response to Carvone Rich Essential Oils of Spearmint (Mentha spicata L.): in Vitro Ruminal Fermentation Kinetics and Digestibility. , 13(7), 1013-1020.
M. Taghavi Nezhad; D. Alipour; M. Torabi Goudarzi; P. Zamani; G. Khodakaramian. "Dose Response to Carvone Rich Essential Oils of Spearmint (Mentha spicata L.): in Vitro Ruminal Fermentation Kinetics and Digestibility". , 13, 7, 2011, 1013-1020.
Taghavi Nezhad, M., Alipour, D., Torabi Goudarzi, M., Zamani, P., Khodakaramian, G. (2011). 'Dose Response to Carvone Rich Essential Oils of Spearmint (Mentha spicata L.): in Vitro Ruminal Fermentation Kinetics and Digestibility', , 13(7), pp. 1013-1020.
Taghavi Nezhad, M., Alipour, D., Torabi Goudarzi, M., Zamani, P., Khodakaramian, G. Dose Response to Carvone Rich Essential Oils of Spearmint (Mentha spicata L.): in Vitro Ruminal Fermentation Kinetics and Digestibility. , 2011; 13(7): 1013-1020.

Dose Response to Carvone Rich Essential Oils of Spearmint (Mentha spicata L.): in Vitro Ruminal Fermentation Kinetics and Digestibility

Journal of Agricultural Science and Technology
Article 5, Volume 13, Issue 7, 2011, Pages 1013-1020    PDF (159.3 K)
Authors
M. Taghavi Nezhad1; D. Alipour* 1; M. Torabi Goudarzi2; P. Zamani1; G. Khodakaramian3
1Department of Animal Science, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Islamic Republic of Iran.
2Jundishapour Research Center of Medicinal Plants, Kashan, Islamic Republic of Iran.
3Department of Plant protection, Faculty of Agriculture, Bu-Ali Sina University, Hamadan, Islamic Republic of Iran.
Abstract
The aim of this study was to assess the effect of several doses of spearmint essential oil (SEO; 0, 250, 500, 750 or 1,000 µg ml-1 buffered rumen fluid) on the fermentation kinetic and digestibility using in vitro gas production technique. A total mixed ration (30% roughage: 70% concentrate) was incubated with buffered rumen fluid. In vitro gas production, asymptotic gas production (A), rate of gas production (µ), partitioning factor (PF), microbial biomass (MB), ammonia concentration and digestibility were determined. Increasing the dose of SEO decreased the parameters A and µ. Adding SEO, however, increased PF, ammonia concentration, apparent in vitro dry matter digestibility and true in vitro organic matter digestibility at the lower levels of SEO (250 and 500 µg ml-1). But, at the level of 1,000 µg ml-1, a decrease was observed for these parameters. The increment in PF and digestibility illustrate that SEO has a potential to modulate the rumen fermentation, which may be beneficial (at low doses) for improving nutrient utilization.
Keywords
Essential oil; Carvone; in vitro gas production; Partitioning factor; Spearmint
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