what is pre gealatanized wheat starch?
According to A Consumer’s Dictionary of Food Additives: " When starch and water are heated the starch molecules burst and form a gelatin."
According to The Dictionary of Food Ingredients it is a starch that has been created by swelling wheat in cold water. It is also known as gelatinized wheat starch.
According to Food Chemistry: "Pregelatinized flour is made from ground cereals….and is sometimes blended with guar flour or alginates."
Source: http://www.vrg.org/nutshell/faqingredients.htm#wheat
This site has a list of Halal foods: http://www.planomasjid.org/iacc/Community/HalalFoodList.asp I hope this helps.