Can potato seeds be eaten?

Nov 11, 2025 Source: Cainiu Health
Dr. Huang Yuhong
Introduction
Under normal circumstances, potato tubers (i.e., seed potatoes) that are not sprouted, not green, and thoroughly cooked are edible. Sprouted, green, or undercooked potato tubers should not be consumed. If in doubt, it is recommended to consult a healthcare professional in advance. Non-sprouted, non-green potatoes contain nutrients such as carbohydrates, vitamin C, and potassium. When thoroughly cooked, they become soft and easy to digest.

Under normal circumstances, potato tubers (i.e., the seed potatoes) that are not sprouted, not green, and thoroughly cooked are safe to eat. Sprouted, green, or undercooked potato tubers should not be consumed. If in doubt, it is recommended to consult a healthcare professional in advance. The detailed explanation is as follows:

Potato tubers that are not sprouted or green contain nutrients such as carbohydrates, vitamin C, and potassium. When thoroughly cooked, they become soft and easy to digest, providing energy for the body. They are suitable for regular consumption as a staple food or part of meals and generally do not cause adverse health effects when eaten normally.

Sprouted or green potato tubers produce solanine, a toxic substance. Even if the sprouts are removed or the green skin is peeled off, solanine may have already spread into the inner tissues. Consuming such potatoes can lead to symptoms like nausea, vomiting, abdominal pain, and dizziness. Undercooked potato tubers still contain active solanine, posing a risk of poisoning as well; therefore, these types of potatoes should be avoided.

When selecting potatoes in daily life, choose those without sprouting, greening, or rotting. Always wash them thoroughly and cook them completely before eating. Avoid eating raw or undercooked potato tubers.

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