| quality control of food products purchased by the national school-feeding programme in pernambuco, northeast brazil, from 1985 to 1988. | the effectiveness of the quality control system (qcs) implemented by the fundação de assistência ao escolar (fae) for quality control of food products from different types and origins purchased by the national school-feeding programme (nsfp) in pernambuco, northeast brazil, was evaluated. physicochemical, microbiological, microscopical and organopetical analyses were performed in 4,860 food samples and the main causes of alterations were detected. perishability was the characteristic used for di ... | 1992 | 1342181 |