The invention provides an
antioxidant of baking food and a preparation method thereof. The
antioxidant includes 55-60 parts by weight of hydrogenized
soya bean lecithin, 10-18 parts by weight of
vitamin E, 5-10 parts by weight of soyabean
protein polypeptide, 2-3 parts by weight of oligo-
xylose, 1-5 parts by weight of
sucrose monostearate, 2-3 parts by weight of
xanthan gum and 11-20 parts by weight of baked milk
powder. The preparation method includes extracting
lecithin from the
soya bean lecithin, separating catalyst, discoloring oxydol, removing
solvent after the reaction of
catalytic hydrogenation, obtaining hydrogenized
soya bean lecithin with 20-30 of
iodine number, uniform mixing 55-60 parts by weight of hydrogenized soya bean lecithin, 10-18 parts by weight of
vitamin E, 5-10 parts by weight of soyabean
protein polypeptide, 2-3 parts by weight of oligo-
xylose, 1-5 parts by weight of
sucrose monostearate, 2-3 parts by weight of
xanthan gum and 11-20 parts by weight of baking milk
powder to prepare the
antioxidant for baking food. The invention has the advantages of strong antioxygenic property, pure
natural property, no toxic and side effects, a plurality of healthcare functions.