vegetables, including certain varieties of squash, pumpkin, zucchini, cucumber, and bitter melon, may also develop elevated cucurbitacin levels under stressful growing conditions such as extreme heat, drought, or cross-pollination with wild plants. Although these cases are uncommon, experts recommend avoiding any cucurbit vegetable that has an unexpectedly bitter taste.
Symptoms of cucurbitacin poisoning may appear within a few minutes to several hours after consumption. They can include severe nausea, vomiting, stomach cramps, diarrhea, dizziness, and dehydration. In rare cases, severe poisoning may require emergency medical treatment.
Health professionals emphasize that tasting bitterness is one of the most important warning signs. If you notice an intensely bitter flavor when eating or preparing bottle gourd or another cucurbit vegetable, stop eating it immediately and discard the remaining portion. Cooking does not reliably destroy cucurbitacins, so boiling or frying will not necessarily make the food safe.
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