SANDTON, SOUTH AFRICA — Tiger Brands Ltd., South Africa’s biggest food maker, last week said it is in talks with Dangote Industries Ltd. to acquire an 80% stake in Dangote Flour Mills P.L.C., a leading company in the Nigerian flour and pasta markets. Buying all or part of Dangote Flour Mills would give Tiger Brands a substantial presence in the Nigerian food market. Dangote has milling capacity of 4,800 tonnes per day, producing wheat flour, confectionery flour, bread flour and pasta semolina.