Micropropagation and antibacterial activity of medicinal plants

Medicinal plants have played a vital role in the world health since time immemorial. Many essential drugs used in modern days are derived from plants. Plants are capable of synthesizing an overwhelming variety of low molecular weight organic compounds called secondary metabolites usually with very unique and complex structures. Traditionally, they have been directly used as food and herbs. Rauvolfia tetraphylla L. plant is medicinally important in the treatment of cardiovascular diseases, hypertension and various psychiatric diseases. The roots are useful in the treatment of hypertension, cardiovascular diseases and as a tranquilizing agent. The extract of the root is valuable for intestinal problems. Roots are believed to stimulate uterine contraction in case of difficult delivery. Solanum trilobatum L., is an important medicinal plant. It has been widely used to treat respiratory disorders, especially bronchial asthma. Roots, berries and flowers are used to treat cough. It is used to cure asthma, to arrest blood vomiting, to reduce blood glucose level and bilious matter phlegmatic rheumatism and several kinds of leprosy.