"We have been working together with the UN at our Istanbul coordination center… We have identified a number of options. The work is ongoing," he told the Turkish diaspora in Los Angeles.
Turkey and the UN helped broker a grain export pact between Russia and Ukraine in July, which also seeks to facilitate Russian food and fertilizer exports.
The UN has billed the deal as key to staving off global hunger but Russia insists that Western sanctions hinder the sale of Russian agri-food.