Maduración y comportamiento poscosecha de la feijoa (Acca sellowiana (O. Berg) Burret). Una revisión

Abstract

Plantulas de tomate.Foto: Álvarez-Herrera. RESUMENLa feijoa es considerada un cultivo promisorio en Colombia, por su potencial de exportación, características nutracéuticas y uso agroindustrial. Los diferentes estudios poscosecha indican que los frutos de feijoa presentan comportamiento típico climatérico, con elevadas tasas respiratorias y de producción de etileno, requiriendo refrigeración poscosecha inmediata para preservar su calidad (temperatura de 4 a 10ºC; humedad relativa de 90-95%). A medida que transcurre el periodo poscosecha, aumentan la pérdida de peso y el pH, y disminuye la firmeza del fruto. Los resultados son contradictorios en cuanto a la tendencia de los sólidos solubles y de la acidez titulable, influenciados probablemente por las características varietales, edad de la planta y por las condiciones climáticas y de cultivo a que hayan estado expuestos. ABSTRACTDue to its export potential, nutraceutical characteristics and agro-industrial use, the pineapple guava is considered a promising crop in Colombia. Different postharvest studies have indicated that the fruit has a typical climacteric behavior with high respiration rates and ethylene production, requiring immediate postharvest refrigeration to preserve its quality (temperatures of 4-10°C, 90-95% relative humidity). As the postharvest period elapses, fruit weight loss and pH increase; and fruit firmness decreases. The results are contradictory for the tendency of soluble solids and titratable acidity, probably influenced by varietal characteristics, plant age and climatic and growing conditions.

Development and quality of pineapple guava fruit in two locations with different altitudes in Cundinamarca, Colombia

“…PG activity in pineapple guava is greater inside the mesocarp; this suggests that softening starts from the inside to the outside (Parra-Coronado & Fischer, 2013), which is reflected in the lower value of pulp firmness compared to skin firmness. Cellulases are also related to fruit softening, and they present low activity in green fruit but rapidly increase during maturation (Kays, 1997).…”

“…Pineapple guava (Acca sellowiana (O. Berg) Burret; Mirtaceae) is native to South America in the areas of southern Brazil, Uruguay, upper region of western Paraguay and northeastern Argentina (Parra-Coronado & Fischer, 2013). It is a perennial and long-lived species adapted to different climatic zones (Fischer, 2003).…”

“…Currently, significant commercial production of pineapple guava is limited to New Zealand, Georgia, Azerbaijan, Colombia and California, although there is great interest in establishing its commercial production in Uruguay and Brazil (Parra-Coronado & Fischer, 2013). Different varieties of pineapple guava are harvested in Colombia, and this is considered an important factor for pollination and production of quality fruit.…”

“…Cellulases are also related to fruit softening, and they present low activity in green fruit but rapidly increase during maturation (Kays, 1997). Fruit firmness is a relevant characteristic for consumption quality and a factor that must be considered in the design of packaging and transportation systems during harvest and post-harvest (Parra-Coronado & Fischer, 2013).…”

Growth model of the pineapple guava fruit as a function of thermal time and altitude

“…There are several commercial varieties of pineapple guava fruit in Colombia (Clone 41 'Quimba', clone 8-4, Mammouth, Apollo, Gemini, Triumph, Rionegro, Tibasosa, among others). These are also considered to be important for pollination and for obtaining high-quality fruits (Parra & Fischer, 2013). For Colombia, Quintero (2012) estimated total pineapple guava production area to be 650 ha, with Boyacá, Cundinamarca, Santander, and Norte de Santander being the primary producing regions.…”