White sourdough loaf

ingredients water sourdough 55.7% , corn starch 17.1% , rice flour rice syrup 8.6% , psyllium 5.3% , sunflower seeds oil buckwheat flour 3.6% , pea protein 2.7% , salt 2.0% , citrus fibre 1.6% , thickener rydroxypropyl methyl cellulose 1.3% , millet flour 1.1% , yeast allergy advice 0.9%