Twenty plant and animal food samples were collected from
different commercial stores. These samples were placed in a
sterilezed plastic bags not to be polluted and were moved to the
laboratory in special thermal containers to be tested.
The solid
samples were processed in the Digester to study each
sample separately , while the liquid samples were tested
immediately after being diluted.
After that they were studied with biochemical tests to identify the
type of germ that existed.
The antibacterial activity of Golden henbane (Hyoscyamus aureus) on
several species of bacteria: Pseudomonas aeruginosa, Staphylococcus
aureus and Escherichia coli was determined. Samples of H. aureus
plants were collected from six locations in southern Syria. The extract
of roots and leaves of H. aureus were prepared at concentrations.
