We purchased the same 3 months back, not used (around 5 kg powder)
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Soy protein isolate the solae company
DUPONT DANISCO SOY PROTEIN
http://www.dupont.com/products-and-services/food-ingredients/soy-protein/brands/solae-soy-protein.html
URL for this classified: https://www.apnacomplex.com/classifieds/view/20520/Balaji-Pristine-Bangalore-Soy-Protein-Isolate-Powder