This is a physical test. A chemical test for starch is to add iodine solution (red) and see if it turns blue/black in colour. It is possible to distinguish starch from other carbohydrates using this iodine solution test.For example, if iodine is added to an peeled potato then it will turn black.his is a physical test. A chemical test for starch is to add iodine solution (red) and see if it turns blue/black in colour. It is possible to distinguish starch from other carbohydrates using this iodine solution test.
Moving to French cuisine, one of my favourite ways of using up stale bread is in a simple Gascon soup, Garbure, made with layers of bread and cabbage, flavoured with ham, beans and vegetables. Cookery writer Kate Hill's recipe is gorgeous.
Top 10 facts about the world. French bread is bread made from white wheat flour that has a strong and chewy crust. The interior is full of bubbles, often due to the use of sourdough starters to prepare the bread, though not all French bread is sourdough. Usually, the loaf is shaped into a torpedo, batard, or baguette style.