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Eggplant glycemic index (GI)

Article author photo Victoria Mazmanyan by Victoria Mazmanyan | Last updated on August 23, 2023
Medically reviewed by Ani Harutyunyan Article author photo Ani Harutyunyan

The mystery food with many names, eggplant, aubergine, and brinjal, is often considered to be a vegetable, but scientists classify it not only as a fruit but, more technically, a berry. We call it a vegetable because it is used as such in cooking and due to its low sugar levels.

Because of the low carbohydrate concentration, The International Tables of Glycemic Index does not include eggplants in its research.

Food and Science Nutrition has studied three species of eggplant fruit and found the GIs to be 30.16±2.55 for Solanum aethiopicum, 30.60±2.57 for Solanum kumba, and 38.65±3.76 for Solanum gilo (1).

Eggplants are classified as low-glycemic index foods. But interestingly, adding eggplant sauce has been proven to increase the glycemic index of white rice (2).

American Diabetes Association, Mayo Clinic, and the National Diabetes Education Program of NIH all recommend an eggplant-based diet as a choice for type 2 diabetics. Research has shown that the polyphenols in eggplants show antioxidant activities, as well as controlling glucose absorption and reducing associated hypertension (3).

However, one study has found eggplants to increase oxidative stress, making it a potential risk factor for atherosclerosis (4).

Check the glycemic index chart page for more GI values. 


Article author photo Victoria Mazmanyan
Education: General Medicine at YSMU
Last updated: August 23, 2023
Medically reviewed by Ani Harutyunyan

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