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.
Pumpkin Puree. Pumpkin puree is the flesh of the fresh pumpkin that has been mashed, cooked, and then drained to make the puree. Pumpkin vs Pumpkin Puree. Though both canned pumpkin and pumpkin puree contain the same flesh of the same vegetable, the difference lies in extra water that is there in the case of puree of pumpkins.