Turmeric [(in Sindhi= Head) and (in Hindi= Haldi)] is used from centuries in South Asia (Indian Sub-continent) as yellow spice and common remedy is a powerful anti-oxidant. The new scientific studies revealed that it has Curcumin compound which has anti-inflammatory properties. Turmeric has anti-aging properties and it counter the inflammation in skin and intestine. It heals wounds and helps control or cut ulcer. Even larger amount of Turmeric has showed no signs of side effects. Curcumin found in turmeric is good for arthritis patients. It means the grounded turmeric is efficient medicine for arthritis patients.
Indus Asia Online Journal (iaoj) 
For such effects of turmeric it should be taken fresh and ground on domestic level.In industry packing its antioxidant property reduce its effectiveness as oxidation of important ingredient takes place due to long time exposures in open environment.
No doubt it has extraordinary healing power but only if grind freshly.
From turmeric power a special kind of pultus is made at home and by using it all kinds of pus blisters can be cured without doing minor surgery and later on avoid eating antibiotic.