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What is the chemical name of the indicator in red cabbage juice?
anthocyanin
What is a cabbage indicator?
The phrase "cabbage indicator" refers to the use of red cabbage juice to indicate the pH of a solution. For red cabbage contains the pigment molecule ka flavin, which is an anthocyanin. In fact, anthocyanin also is responsible for the reds of certain tree leaves such as sassafras [Sassafras albidum] and sourwood [Oxydendrum arboreum]. Anthocyanin has the advantage of being a water soluble pigment. Its color varies depending upon the acidity/neutrality/alkalinity of the solution in which it's found. For example, the anthocyanin pigments in red cabbage juice turn red in acidic, purplish in neutral, and greenish-yellow in basic solutions.
What is the chemical formula for red cabbage juice?
Red cabbage contain a pigment from the group of anthocyanins.See the general structure of an anthocyanin at the link below.
How does a strawberry act as a natural indicator?
A strawberry can act as a natural indicator due to its pigment, anthocyanin, which changes color in the presence of acids and bases. When exposed to an acid, the anthocyanin in strawberries turns red, and when exposed to a base, it turns green. This color change can be used to determine the pH of a solution.
What color will turn after you mix red cabbage and borax?
The mixture is likely to turn blue due to the interaction between the anthocyanin pigments in red cabbage and the alkaline nature of borax.
What is the nutritional difference between red and green cabbage?
well red cabbage is red and the green cabbage is green the nutritional way is that the red cabbage is better for you then green cabbage lol bye bye
What vegetable turns red with lemon?
Red cabbage can turn red when mixed with lemon juice due to a change in pH level. The anthocyanin pigments in red cabbage react to the acidity of lemon juice, causing the cabbage to turn red.
What are the main differences between white cabbage and green cabbage?
The main differences between white cabbage and green cabbage are their appearance and taste. White cabbage has a pale green color and a milder flavor, while green cabbage has a darker green color and a slightly stronger taste. Additionally, white cabbage is often used in coleslaw and salads, while green cabbage is commonly used in stir-fries and soups.
Why does cabbage indicator change color when you exhale into it?
Cabbage juice contains a water-soluble pigment called anthocyanin that changes color based on the pH of the solution. When you exhale into cabbage juice, carbon dioxide mixes with water in the juice, creating carbonic acid and lowering the pH. This acidic environment causes the anthocyanin to change color, usually turning from purple to pink or red.
What is red cabbage on the pH scale?
Red cabbage contains a natural pigment called anthocyanin, which changes color based on the pH of its environment. In acidic conditions (pH below 7), red cabbage appears pink or red, while in neutral to alkaline conditions (pH above 7), it turns green or blue. This property makes red cabbage an excellent natural pH indicator. Typically, the pH of red cabbage itself is around 5 to 6, making it mildly acidic.
How red cabage is used as an indicator?
Red cabbage is used as an indicator due to its anthocyanin pigments. These pigments change color based on the pH of the solution they are in. In an acidic solution, red cabbage turns red/pink, while in a basic solution it turns blue/green. By observing the color change, the acidity or alkalinity of a solution can be determined.
What color does an acid turn if red cabage indacator is added?
Acids turn red/pink when red cabbage indicator is added. Alkali/bases turn blue/green. Neutrals turn purple.
