Resumen

DOROSTKAR, Maryam; MORADINEZHAD, Farid  y  ANSARIFAR, Elham. Effectiveness of postharvest calcium salts applications to improve shelf-life and maintain apricot fruit quality during storage. Rev. Fac. Nac. Agron. Medellín [online]. 2022, vol.75, n.2, pp.9983-9988.  Epub 31-Mayo-2022. ISSN 0304-2847.  https://doi.org/10.15446/rfnam.v75n2.98060.

Fresh apricot is a nutritious and popular fruit because of its special aroma and taste. However, high ripening rates and susceptibility to mechanical injury and postharvest diseases limit its shelf life. Therefore, the effect of immersion in different calcium salts solution on the qualitative and biochemical characteristics of fresh apricot fruit 'Shahroudi' cv was evaluated. Treatments were solutions of calcium chloride (CaCl2), calcium nitrate Ca(NO3)2, and calcium sulfate (CaSO₄) at a concentration of 1 or 2%. Distilled water was used as a control. Fruits were immersed in water or calcium salts solution for 2 min, air-dried, and then stored at 2±1 °C for three weeks. However, the highest firmness was related to 2% CaCl2 treatment, which was about 60% higher than control, followed by 1% Ca(NO3)2 treatment (50% more than control). Also, the lowest Total Soluble Solids value was 10.46%, which was obtained from 2% CaCl2 and the highest value was obtained in control (15.1%). Besides, the mentioned treatments improved the nutritional value of apricot fruit by increasing total phenolic compounds, and tissue calcium content. The shelf life was 15.67 days in control, while 2% CaCl2 treatment doubled (35.33 days) the shelf life of apricot fruit. In general, the best result was obtained using CaCl2 at 2% treatment for 2 min, which may be applied as a postharvest treatment to improve the storage life of apricot fruit 'Shahroudi' cv.

Palabras clave : Calcium; Phenol; Postharvest; Shelf life; Storage.

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