The most common cultivar of pumpkin grown specifically for its seeds is the Styrian pumpkin, which yields the small, smooth green seeds sold in grocery stores. Styrian pumpkin seeds are ideal for eating because they are rich in oil and naturally hull-less.
Carbamide peroxide (also known as urea peroxide) is the most popular over-the-counter and professional bleaching agent used for teeth whitening. The main and active ingredient in carbamide peroxide is hydrogen peroxide.arbamide peroxide (also known as urea peroxide) is the most popular over-the-counter and professional bleaching agent used for teeth whitening. The main and active ingredient in carbamide peroxide is hydrogen peroxide.
Urea or carbamide is an organic compound with the chemical formula C O (N H 2) 2.The molecule has two âNH 2 groups joined by a carbonyl (C=O) functional group.rea serves an important role in the metabolism of nitrogen-containing compounds by animals, and is the main nitrogen-containing substance in the urine of mammals. It is colorless, odorless solid, highly soluble in water, and practically non-toxic (LD50 is 15 g/kg for rats).