Redstrike said:The nightshade family (Solanaceae) is really toxic. The fruit may be okay but, personally, I wouldn't feed it to my hatchlings. The tortoise table UK website dances around the eggplant fruit a little bit, but it sounds like you could feed it. I like to remind myself that tortoises (and many other herbivores) are much more resilient to plant secondary defense compounds than us, but we should keep in mind some toxins will have greater effects than others, regardless of the torts resiliency.
http://www.thetortoisetable.org.uk/site/plants_19.asp?mode=main&catID=3