The answer depends on why you are asking.
It is important because if you put in too much it will be too stiff and the starch will be overpowering. (Imagine choclate pudding with too much corn starch - it won't have that nice mouth feel, it will be too solid and the flavor won't come through as clearly.) The consistency will be greatly affected depending on how much or how little you use, and also the flavor.
Starch is carbohydrates and calories. A cup of flour is 400 calories, so 2 Tablespoons would be 50 calories . . . I think. The more flour you use to thicken something, the more calories and carbohydrates. That affects the nutrition. And generally the more flour, the more oil which also greatly affects the nutrition.
None, unless you are in a situation where you are literally starving. Starch is not a nutritional food and is not good for you unless you are not getting enough calories in your diet.
Probably for marketing and health reasons, marketing because they can over hype how much starch it has, health because each amount of starch provides certain health benefits, Biologically because it probably helps separate breeds more effectively? I truly have no idea just a shot in the dark.
I think you mean starch and to test for it you have to use iodine and this turns black if there is starch in your food if nothing happens then there is no starch in the food.
There is no significant amount of starch in an orange.
There are fibrous foods that do contain starch. Potatoes are an example of a food that contains both starch and fiber.
You can test for starch in food by dropping iodine on food on an agar plate, if it turns black, it contains starch.
the starch is for food when needed
The amount of starch can be measured using methods such as iodine test, gravimetric analysis, and spectrophotometry. These methods involve detecting the presence of starch by forming a visible complex with iodine or by quantifying the amount of starch based on its absorbance or weight.
Corn and peas are a good source of starch
When iodine is added to cheese, it can react with the starches present in the cheese to form a blue or purple color. This reaction is known as the iodine-starch complex formation test. The intensity of the color change can indicate the amount of starch present in the cheese. This test is commonly used in food science to detect the presence of starch in various food products.
Yes, reheating food can destroy resistant starch. Resistant starch is a type of starch that resists digestion in the small intestine and can provide health benefits. When food is reheated, the structure of resistant starch can be altered, reducing its resistant properties.
When a food label reads "modified food starch", they are telling you that there is some kind of starch in the product. It could be wheat starch, corn starch, tapioca starch, rice starch, etc. What you should do if you see modified food starch is call the 800 number on the pack of the product and specifically ask them what kind of starch is in that product. In North America, modified food starch is safe for celiacs. In other countries, you must contact to find out which starch it is from.