Tea Preparation and Caffeine Content

The video tutorial explores the art of making the perfect cup of tea. Dr. Stew and Cherry discuss the impact of cup material and color on taste, the effects of hard water, and the importance of steeping time. They demonstrate how different factors like cup choice, water quality, and brewing duration affect the flavor and health benefits of tea. A scientific analysis using a UV spectrometer reveals the differences in caffeine and antioxidant levels based on steeping time, concluding with a comparison of taste and the creation of the perfect cup of tea.

What is a major downside of using a styrofoam cup for tea?

• It changes the color of the tea.

• It keeps the tea too hot.

• It absorbs flavor molecules.

• It is too heavy to hold.

How does the color of a mug affect the taste of tea?

• It makes the tea more bitter.

• It can make the tea taste sweeter.

• It changes the tea's aroma.

• It makes the tea colder.

What is a common issue when using hard water to make tea?

• It changes the tea's color.

• It makes the tea too cold.

• It causes a scum to form on top.

• It makes the tea too sweet.

What is the benefit of filtering hard water before boiling it for tea?

• It makes the tea boil faster.

• It removes harmful bacteria.

• It reduces calcium and magnesium residues.

• It changes the tea's color.

Why is it recommended to steep tea for five minutes?

• To reduce the tea's bitterness.

• To make the tea colder.

• To increase caffeine and antioxidant levels.

• To change the tea's color.

What happens to the caffeine content when tea is steeped longer?

• It evaporates.

• It increases.

• It remains the same.

• It decreases.

How does a longer steeping time affect the antioxidant levels in tea?

• They evaporate.

• They decrease.

• They remain unchanged.

• They more than double.

What tool is used to measure the caffeine concentration in tea?

• A hydrometer.

• A pH meter.

• A UV spectrometer.

• A thermometer.

What is the caffeine content in a cup of tea steeped for 30 seconds?

• 60 milligrams.

• 50 milligrams.

• 35 milligrams.

• 20 milligrams.

What is the caffeine content in a cup of tea steeped for five minutes?

• 35 milligrams.

• 45 milligrams.

• 60 milligrams.

• 50 milligrams.