Can peanut oil with an off smell due to long storage still be consumed?

May 13, 2023 Source: Cainiu Health

Dr. Wang Lei

Introduction

If the off-odor is mild, the product is within its shelf life, and has been stored properly, it may still be safe to consume. However, if the odor is strong or signs of rancidity, spoilage, or discoloration are present, it should not be eaten. Additionally, when using peanut oil, proper storage and handling methods should be followed to prevent quality issues. If any discomfort occurs, seek medical attention immediately.

Whether rancid peanut oil is still edible generally depends on the specific circumstances. The details are as follows:

1. Yes

If the peanut oil has been stored properly and is within its shelf life, it may still be safe to consume even if it develops a slight odor. This is because peanut oil contains certain amounts of peanut phenols, which may produce a mild odor after oxidation or other chemical reactions. However, such an odor usually does not pose a health risk; it mainly affects the taste.

2. No

If the peanut oil shows clear signs of spoilage, deterioration, discoloration, or emits a strong unpleasant smell, it should not be consumed. In such cases, the fatty acids in the oil have decomposed and produced harmful substances that can seriously affect human health.

In addition, when using peanut oil, proper storage and usage methods should be followed to prevent quality issues. If you experience any discomfort or have concerns, consult a healthcare professional or nutritionist for advice.

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