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Traditionally, shellac is used as a stiffener, but a matte acrylic medium can also be used when diluted with water. Always make samples before using any product because of a possibility of colour change.
no it will be spoilled
Example with "starch" as a noun: Most nutritionists in the 19th and early 20th centuries believed that most meals should include some starch. Example with "starch" as a verb: Be sure to starch those shirt collars, so that they will not wrinkle.
because,starch undergoes a photochemical reaction. So, with the passage of time it can under go to the photochemical reaction and starch wouldnot be starch but it might have changed in anyother product. so...we should use freshly prepared starch.
0.5 to 1 percent starch solution should be used
In starchy foods like cassava, yam etc
No. In the long run, starch will ruin the wrinkle-free blend/chemicals in the shirt. Starch will also ruin the fabric of any shirt over a period of time causing you to throw away the shirt sooner. You should only starch shirts that do not have the "wrinkle free" designation.
To detect starch hydrolysis on a starch agar plate, you can add iodine solution. Iodine reacts with starch to form a blue-black color, and if starch is hydrolyzed by the organism, the clear zone around the bacterial growth will indicate the presence of amylase, an enzyme that breaks down starch.
in the form of starch
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.
All the alpha amylase molecules should rupture . Boil water and then add to the boiling water required starch. Make sure that the starch is alpha and not beta amylase. Use freshly prepared starch solution for iodometric titrations. --unnikrishnan
if you put iodine in food and it contains starch it should change color.