Protein: Pulses are good sources of vegetable protein which must be combined with a complementary protein to become a complete protein containing the nine essential amino acids. Beans and Lentils, when combined with nuts, seeds, rice or grains fulfill the requirement of a complete protein.Protein is required by the body for enzymes, antibodies, transport vehicles, cellular pumps, tendons, ligaments, scars, cores of bone and teeth, filaments of hair, materials of nails and more.rotein: Pulses are good sources of vegetable protein which must be combined with a complementary protein to become a complete protein containing the nine essential amino acids. Beans and Lentils, when combined with nuts, seeds, rice or grains fulfill the requirement of a complete protein.