0
Cut brinjal (aka eggplant and aubergine) turn brown due to oxidation caused by an enzyme known as polyphenoloxidase. Some recommendations to delay the browning include
* chilling the eggplant before slicing * blanching the slices in boiling water * soaking the slices in salt water So don't cut it up too far ahead of cooking.
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Why does exposed surface of a cut brinjal become black?
because of d corrosion.....the constituent of the pulp(probably iron) reacts wid air to form iron oxide.....and the pulp turns black
What can be used to confirm the presence of nitrite ions in brinjal?
Cut brinjal into small pieces.Take some pieces in a beaker with a little amount of water and boil it to prepare a brinjal extract.Now filter and collect this brinjal extract.Tests:(1)Add dil. sulphuric acid and ferrous sulphate to the extract.A brown solution will be formed. (1.1)To the solution formed, add few drops of conc.sulphuric acid by the wall of test tube.A brown ring will be formed.(1.2)Add the solution formed in (1) in potassium permangnate(purple).Its colour fades.
Why does lettuce turn brown when you cut it with a metal knife?
The lettuce does not turn brown due to it being cut with a metal knife. It turns brown due to oxidation.
Why potatoes turns brown when they are cut?
because they contain salt,ice,plastic,iodine
Why a tree turns brown when its roots are cut?
The roots provide the life source to the tree , so, cut the roots, kill the tree.
If a Boston fern is brown can you bring it back to healthy plant?
If a Boston fern turns brown and I cut the brown leaves down there are few green leaves will it come back
How long till an apple in air turns brown?
If it is a whole apple it will go rotten after about a week, but if it is cut it will only take a couple hours to go brown
Why does a freshly cut piece of sodium have a shiny surface then after a while it turns white?
The sodium reacts with the air (oxygen) and tarnishes.
Are dark areas on avocado safe to eat?
Yes, they are safe to eat. Just like when an apple slice has been left out turns brown, avocado exposed to air turns brown as well. Try to consume your avocado the same day you cut it.
A potato tuber has been cut into two halves A few drops of iodine solution are placed on the cut surface of one of the halves What colour change will be noticed?
brown dark
Diamond cut with a flat surface?
All diamonds have a flat surface on the top of the cut. The cut with the largest flat surface is an emerald cut.
What is Rippled surface by M.C. Escher?
Rippled surface is a piece of artwork by artist M.C. Escher in 1950. It is made from black and grey-brown linoleum cut to create a rippled effect.
