What are the consequences of eating jackfruit seeds?

Dec 08, 2025 Source: Cainiu Health
Dr. Huang Yuhong
Introduction
Eating jackfruit seeds may generally cause gastrointestinal discomfort, allergic reactions, oral irritation, indigestion, and worsened constipation. Raw jackfruit seeds contain tannic acid and stearic acid; consuming them directly can irritate the gastrointestinal mucosa, leading to symptoms such as abdominal pain, diarrhea, and nausea. These adverse effects become more pronounced with excessive consumption, particularly in individuals with weak digestive function.

After eating jackfruit seeds, one may generally experience gastrointestinal discomfort, allergic reactions, oral irritation, indigestion, or worsened constipation. The details are as follows:

1. Gastrointestinal discomfort: Raw jackfruit seeds contain tannic acid and stearic acid. Eating them directly can irritate the gastrointestinal mucosa, leading to symptoms such as abdominal pain, diarrhea, and nausea. These symptoms become more pronounced with excessive consumption, especially in individuals with weak digestive function.

2. Allergic reaction: Some people are sensitive to protein components in jackfruit seeds. After consumption, they may develop symptoms like skin itching, rashes, or swelling of the lips and mouth. In severe cases, symptoms may include difficulty breathing and vomiting. Such reactions typically occur shortly after eating the seeds.

3. Oral irritation: Tannic acid in raw seeds can irritate the oral mucosa and gums, possibly causing numbness of the tongue and mouth or throat discomfort. Even small amounts may trigger these sensations, particularly in individuals with sensitive mucous membranes.

4. Indigestion: Jackfruit seeds are hard in texture and rich in starch. Excessive consumption increases the digestive burden on the stomach and intestines, leading to bloating and belching. Uncooked seeds contain starch that is difficult to break down, making indigestion symptoms even more prominent.

5. Worsened constipation: Jackfruit seeds are high in dietary fiber. If insufficient water is consumed after eating them, the fiber absorbs moisture from the intestines, resulting in dry, hardened stools and aggravated constipation. Individuals already suffering from constipation should be especially cautious.

Jackfruit seeds should be thoroughly cooked before consumption to destroy harmful components and reduce the risks of allergy and irritation. Intake should be moderate to avoid gastrointestinal discomfort. Drink plenty of water after eating to aid digestion. If allergic reactions or severe gastrointestinal symptoms occur, seek medical attention promptly to ensure food safety.

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