Microb Ecol. Aug;42(2) Yeast-Yeast Interactions in Guava and Tomato Fruits. Abranches J(1), Starmer WT, Hagler AN. Author information. Yeast-Yeast Interactions in Guava and Tomato Fruits. J. Abranches," 2 W.T. Starmer,2 A.N. Hagler'. ' Instituto de Microbiologia Prof. Paulo de G6es, CCS. Guavas are common tropical fruits cultivated and enjoyed in many tropical and subtropical . Red guavas can be used as the base of salted products such as sauces, substituting for tomatoes, especially to minimize acidity. A drink may be.