Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
Black Seed. The Black Seed is scientifically known as Nigella Sativa, the herd grows about 16-24 inches in height. From it comes a small rectangular Black Seed which is also known as the Blessed Seed (Arab: Habbat ul Baraka, or Habbat ul Sauda). The ancient Egyptians knew and used the Black Seed and described it as a panacea (cure for problems/disease).