WebJul 11, 2013 · An investigatory project is basically any science experiment where you start with an issue or problem and conduct research or an investigation to decide what you think the outcome will be. After you've created your hypothesis or proposal, you can conduct a controlled experiment using the scientific method to arrive at a conclusion. WebSep 21, 2024 · Here are some ideas to get you started: Measure the amount of vitamin C ( ascorbic acid) in orange juice (or another juice). Test to see how the amount of vitamin C changes after the juice is exposed to air (or light or heat). Simulate acid rain by adding an acid to water. You can use pH paper to test whether the acidity is changed after water ...
PREVENTION OF ENZYMATIC BROWNING IN FRUIT AND …
Webtemporarily reduce the level of browning by restricting the amount of oxygen in contact with apple slices. When fruit or vegetable is peeled or cut, enzyme contained in the plant cell are released. In presence of air, the enzyme phenolase catalyses one step in the biochemical conversion of plant phenolic compound to form brown pigment called melanins. This … WebFill a pot with tap water. With the help of an adult, place the pot on the stove and heat the water until boiling. Always use caution and adult help when working around very hot ... scientific name for goat willow
Browning in Apples: Exploring the Biochemical Basis of an
Web4. Place an apple slice in each container so that it’s submerged in the liquid. 5. Wait a few minutes and take out the apple slices. 6. Place the apple slices on a plate and put the corresponding labels next to them. 7. Wait … WebThese are good because it lowers the pH level of the apple causing it to turn brown slower. It is best to put apple slices at a hot temperature because if you put it at a cold, the ice … WebTreatment of the apple slices with ascorbic acid, citric acid, or acetic acid will reduce the level of browning. The reduction in browning is dependent on the type of substance … scientific name for german shepherd dog