Libas (S. pinnata) and Elepanting Puti (H. indicum) for treatment of infectious coryza or chicken colds
1997
Landerito, E.O. (Visayas State Coll. of Agriculture, Baybay, Leyte (Philippines))
Today's synthetic bactericides used to control animal diseases are expensive and beyond the reach of ordinary farmers. Also the processing of synthetic bactericides produces pollutants that are toxic to the environment. To preserve and restore the environment, traditional practices such as the use of herbal medicine have to be looked at. Along this line, Libas and Elepnating Puti were bioassayed to determine their bioactivity against H. gallinarum. Libas (S. pinnata) belongs to the Aracardiaceae family. It is medium to tall in size. On the other hand, Elepanting Puti (H. indicum) is a common weed found growing with rice, corn, soybean, sugarcane and cassava. Bioactive elements were extracted with the use of ethyl acetate as the best solvent over three other solvents tried. It was found out that Libas and Elepanting Puti contain bioactive constituents (flavanoids for the former and tannins and polyphenolics for the latter) that could effectively control the growth of H. gallinarum. Thus, these plants were potential botanical bactericides. The use of these plants as bactericides minimized the farmers' dependence on synthetic pesticides as well as protect the environment from further damage. These plants were highly affordable for the farmers. However, it is recommended that the bioactive components found in these plants should be purified and assessed fortheir mutagenic effects. Moreover, a study that will evaluate the plant extracts' microbial action against other organisms is also needed. Also, acute toxicity test must be done using higher forms of animals, Finally, the genotoxic, carcinogenic, and mutagenic effects of the plant extracts must be evaluated, especially on nontarget organisms
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