Sweetener and ingredients firm Tate & Lyle has revealed talks over a possible £2.7 billion takeover by US rival Ingredion Incorporated in the latest swoop on a UK company. London-listed Tate & Lyle said it had received an approach from Illinois-based Ingredion worth 615p per share in cash, which follows a number of earlier proposals. Tate and Ingredion are now in discussions, but Tate stressed there was no certainty an offer will be made. Ingredion has until 5pm on June 11 to make a firm offer or walk away under Takeover Panel rules. It comes amid a spate of approaches for British firms by overseas suitors, with laboratory testing company Intertek earlier this week giving its backing to a £9.4 billion proposal from Swedish firm EQT. Shares in Tate & Lyle soared by over 50% in afternoon trading on Thursday.…