Figure 3: Vasodilation produced by the direct effects of caffeine on the VSMC. Caffeine inhibits the voltage-dependent Ca2+ channels and the entrance of calcium to the cytoplasm. In addition, it inhibits the IP3 receptor and increases the ânon-contractile Ca2+.
Instructions. 1. Fill the bottom of the pan with a layer of water. 2. Add the vinegar. 3. Bring the pan to the boil. It should be looking a bit cleaner already. 4. Remove the pan from the heat and add the baking soda. Expect fizz! 5.Empty the pan and scour as normal; if necessary add an extra bit of dry baking soda.6. If there are any super stubborn marks that don't come off with scouring, make a paste of baking soda and a couple of drops of water.. Remove the pan from the heat and add the baking soda. Expect fizz! 5. Empty the pan and scour as normal; if necessary add an extra bit of dry baking soda. 6. If there are any super stubborn marks that don't come off with scouring, make a paste of baking soda and a couple of drops of water.
Salt. 1  You can run out of elbow grease trying to scrub burned-on stains off enamel pans. 2  Skip the sweat. 3  Soak the pan overnight in salt water. 4  Then boil salt water in the pan the next day. 5  The stains should lift right off. 6  Burned milk is one of the toughest stains to remove, but salt makes it a lot easier.