RAMOS CARBAJAL, Ernesto et al. Comparison of the Physicochemical Properties of Two Phenotypes of Nanche (Byrsonima crassifolia L.). []. , 29, 2, pp. 64-73.   01--2020. ISSN 2071-0054.

The present study was carried out between the months of August and September of 2019, in Ribera Miguel Hidalgo Community of Copainala Municipality, Chiapas, Mexico. For this, tests related to some physical, mechanical and chemical variables were carried out, with the objective of evaluating these parameters and determining the quality of the fruits for a later study of shelf life. Polar and equatorial diameters of the fruits were obtained, which ranged from 1.56 to 1.61 cm and from 2.05 to 1.72 cm, respectively and the green fruits showed the largest diameters. The weight ranged from 3.27 to 4.03 g on average, therefore, according to their morphology, they are considered small fruits and of low quality. The best OSH values were recorded in green fruits with an average of 10.35 º Brix. Similarly occurred with the pH, where an average value of 4.43 was observed, while red fruits had a higher percentage of citric acid with 1.75%. The material that could cause less damage to the fruits during transportation and post-harvest handling is plastic, since it has a relatively low coefficient of friction of 0.66 and 0.64.

: Nanche; postharvest; quality properties.

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