Grain-based texture improvers for food or beverages; Maltodextrin derived from corn starch for use as a food additive for nutritional use; guar gum for culinary use; psyllium husk powder for culinary use; processed grains, processed cereals, processed rice, processed tapioca for use as food or beverage ingredients; starch for food; food starch; blends and mixtures of the aforementioned products