Can sprouted potatoes still be eaten?

Aug 30, 2025 Source: Cainiu Health

Dr. Yu Yongchao

Introduction

Under normal circumstances, sprouted potatoes are not recommended for consumption. When potatoes sprout, they produce a toxic substance called solanine, which may cause discomfort if ingested. Even after removing the sprouts, it is difficult to completely eliminate the risk. In daily life, when purchasing potatoes, one should choose fresh ones that are unsprouted and free of green discoloration on the skin. Potatoes should be stored in a cool, dry place.

Generally speaking, sprouted potatoes are not recommended for consumption. When potatoes sprout, they produce a toxic substance called solanine, which can cause discomfort if ingested. Even after removing the sprouts, it is difficult to completely eliminate the risk. Detailed analysis is as follows:

During the sprouting process, the eyes and surrounding areas of the potato accumulate large amounts of solanine. This substance is irritating to the human body and is difficult to completely destroy even through heating. Consuming sprouted potatoes may irritate the gastrointestinal tract, causing discomfort symptoms such as nausea, vomiting, abdominal pain, and diarrhea. Larger intakes may also affect the nervous system, leading to dizziness and fatigue. Even if the sprouts are removed, solanine may have already spread to other parts of the potato and cannot be removed through simple processing, still posing a health risk.

In daily life, when purchasing potatoes, one should choose fresh ones that are not sprouted and do not have green skin. They should be stored in a cool, dry place, avoiding direct sunlight and humid environments to prevent premature sprouting and ensure food safety.

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