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Are Apple Seeds Poisonous?
Apple seeds contain a harmful cyanide compound.

Apples are one of the world's most popular fruits.
They contain small, black seeds that are usually avoided because of their bitter taste, but people may occasionally eat them by accident or not bother to spit them out.

Many people believe apple seeds are poisonous, while others may consider them a healthy snack.

Risks
Green apple.
Apple seeds contain a plant compound known as amygdalin.

It is found in relatively high amounts in the seeds of fruits in the rose family, which includes apples, almonds, apricots, peaches and cherries.

Amygdalin is a part of the seeds' chemical defenses. It is harmless when intact, but when the seeds are damaged, chewed or digested, amygdalin degrades into hydrogen cyanide. This is very poisonous and even lethal in high doses.

Cyanide has been used as a poison throughout history. It works by interfering with cells' oxygen supplies, and may lead to death within minutes at a sufficiently high dose (6, 7).

Summary: Apple seeds contain amygdalin, which is converted into cyanide when the seeds are chewed or crushed. Cyanide is highly poisonous and can be deadly in high doses.

Are apple seeds dangerous?
The amygdalin content in one gram of apple seeds ranges from 1-4 mg, depending on the variety (9, 10).

However, the amount of cyanide derived from apple seeds is much less.

One gram of finely crushed or chewed apple seeds may deliver up to 0.06-0.24 mg of cyanide (11, 12).

As a result, eating two cups of ground apple seeds might be fatal. At the very least, it could make you sick.

The exact lethal dose of apple seeds varies widely. It depends on body weight, individual tolerance and the type of apple. Keep in mind that much lower amounts might make you sick.

Apple peels and flesh are very healthy and pose no risks to your health.

However, chewed or crushed apple seeds release small amounts of cyanide, which is highly toxic.

Nevertheless, you would probably need to thoroughly chew and swallow over 150 seeds before you experienced any adverse symptoms.

So if you accidentally eat a few apple seeds, there is no need to worry.

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