The result is a white powder like that shown below: pure alumina. The caustic soda is returned to the beginning of the process and used again. At this point, the alumina is ready for conversion into aluminum at a smelter. Alumina is also used in making chemical and ceramics.
1 Soy protein is made from soy beans, one of the best non-meat protein sources around. 2  Soy beans contain a lot of protein per serving, and there is almost no fat or cholesterol in soy protein. 3  This makes it one of the heart-smart proteins to consider.4  Suppress your appetite.oy Protein. 1  Soy protein is made from soy beans, one of the best non-meat protein sources around. 2  Suppress your appetite. 3  Provide antioxidants to increase protection from free radicals and oxidative stress. 4  Reduce your risk of diabetes, cancer, and heart disease.
Vega has two protein bars that combine sprouted rice protein, pea protein, and sacha inchi seeds for a filling source of 15g of protein and 240 calories a bar. The sacha inchi seeds are also a great plant-based source of the amino acid tryptophan and omega-3s.