[For Seniors] Fun and Informative! Health Trivia Quiz

Which has higher nutritional value, fresh daikon or dried daikon (kiriboshi daikon)?

Kiriboshi daikon may seem like a simple processed food—basically just dried daikon—but the ways you use it in cooking are quite different from fresh daikon, right? So which one is more nutritious: kiriboshi daikon or fresh daikon? The key point is that it’s dried.

If you think about how the drying process changes its state, you might arrive at the answer.

The answer is “kiriboshi daikon.” By drying it, the water is removed and the nutrients become concentrated, so even the same amount ends up being more nutritious.

Knowing that drying also increases umami might make you even more eager to try using it.

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Natto is said to have a blood-thinning effect. What time of day is best to eat it to achieve a greater effect?

Natto is one of the foods that embody Japanese tradition and is strongly associated with being healthy.

In fact, natto is good for your health and contains components that help thin the blood.

Did you know there’s a recommended time of day to eat it to draw out its health benefits even more? Considering the times when blood vessels are said to be more prone to clogging, you can figure out the timing that may help prevent that.

The answer is “at night.” Blood vessels are considered more likely to clog while you sleep, so the idea is that consuming the beneficial components about four hours before bedtime is best to help prevent it.

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I heard that mixing something into hot water and drinking it helps with diarrhea. What is that “something”?

Keeping your digestive system in good condition is a basic part of health, and being mindful of this often-forgotten area leads to a healthier daily life.

So, what is something that can help improve stomach troubles and is said to be effective against diarrhea when mixed with hot water? If you think about something that dissolves in hot water and comes in powder form, some people might guess the answer.

The correct answer is katakuriko (potato starch).

Although it’s strongly associated with cooking, it makes sense when you consider that its source is a plant.

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What is the vegetable soup that is said to be good for diabetes and helps improve pancreatic function?

Vegetable-based soups aren’t just easy to drink—they’re also packed with nutrients and can be great for your health.

Among these vegetable soups, which one is said to be good for diabetes by helping improve pancreatic function? It’s hard to arrive at the answer without knowing the benefits of each vegetable, so it seems best to start learning from here.

The answer is pumpkin soup.

Although pumpkin has a sweet image, it actually helps prevent rapid spikes in blood sugar.

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What are soybeans called in the field?

A quiz about an old saying! In Japan, soybeans are called “what of the field?” Here’s a fun trivia quiz.

Some of you may have guessed the answer right away from the question.

The correct answer is “the meat of the field.” Because of their high nutritional value, soybeans have long been called that.

They’re prized as a powerful ingredient that supports health without relying on animal protein.

It’s useful knowledge that can prompt you to rethink your daily diet—practical, everyday trivia worth valuing across generations.

Which has higher nutritional value: fresh shiitake mushrooms or dried shiitake mushrooms?

A quiz about nutritional value! Which has higher nutritional value: fresh shiitake or dried shiitake? Here’s a fun trivia quiz.

Fresh shiitake are often cooked to highlight their texture and natural flavor, while dried shiitake have a rich aroma and are great for simmered dishes.

Both are delicious in different ways, but do you know which is more nutritious? The answer is dried shiitake.

Comparing vitamin D, dried shiitake contain about 11 times more than fresh shiitake.

Definitely something to include in your diet!

What foods become more nutritious when frozen?

A topic about the nutritional value of ingredients! Here’s a fun fact: Which foods actually become more nutritious when frozen? Just by freezing them, their nutritional value increases compared to when they’re fresh… It sounds almost too good to be true, right? Those familiar with cooking and household chores might already have an idea.

The answer is komatsuna (Japanese mustard spinach).

It’s also said that mushrooms, shijimi clams, and carrots see an increase in nutritional value when frozen.

It’s a handy piece of trivia for everyday life—something you’ll want to share with people around you.