Arugula greens are rich sources of certain phytochemicals such as indoles, thiocyanates, sulforaphane, and iso­thiocyanates. Together, these compounds have been found to counter the carcinogenic effects of estrogen and thus may offer protection against prostate, breast, cervical, colon, ovarian cancers by their cancer-cell growth inhibition, cytotoxic effects on cancer cells.
Fresh salad rocket is one of the greens rich in folates. When given to the anticipant mothers during their conception time, folate may help prevent neural tube defects in the newborns.
Fresh rocket leaves contain healthy levels of vitamin-C. Vitamin-C is a powerful, natural anti-oxidant. Foods rich in this vitamin help the human body protect from scurvy disease, develop resistance against infectious agents (boosts immunity), and scavenge harmful, pro-inflammatory free radicals from the body.

Thyme is known for its antibacterial properties and it might have a future as an acne-fighting ingredient.
Getting all the vitamins your body needs every day can be challenging. Luckily, thyme is packed with vitamin C and is also a good source of vitamin A. If you feel a cold coming on, thyme can help get you back in good health.
Thyme is taken by mouth for bronchitis, whooping cough, sore throat, colic, arthritis, upset stomach, stomach pain (gastritis), diarrhea, bedwetting, a movement disorder in children (dyspraxia), intestinal gas (flatulence), parasitic worm infections, and skin disorders. It is also used to increase urine flow (as a diuretic), to disinfect the urine, and as an appetite stimulant.