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Post Harvest

2011 Research

This study aims to define sensory attributes of California-grown ‘Hass’ avocado fruit. We will achieve this goal through a combination of sensory panel and HPLC-MS work to examine the relationship between changing perceptions of avocado fruit quality and measurable fruit volatiles. We believe that these results will aid our understanding of minimum and maximum maturity levels of Californian grown ‘Hass’ and ultimately lead to a refinement of the current standards for minimum maturity.

2010 Research

This study was funded at a lower level than initially requested. In spite of the budgetary shortfall we have made good progress on the objectives laid out for Year 1 of the project.

2008 Research

The project was scaled back from the original proposed objectives due to a reduction in funding from the requested amount. In light of this the research emphasis for this year was made following consultation with G. Witney. The aim of this the project for the current funding year is to study the influence of fruit maturity and handling following fruit harvest on the concentration of various phytonutrients of ‘Hass’ avocado.

2007 Research

This project is a collaborative effort between UC Riverside (Arpaia, Sievert, and Fjeld), UC Davis (Thompson and Slaughter) and HortResearch (Woolf, White and Feng).

2006 Research

This project will help to maintain and enhance the California avocado industry by continuing our research efforts to examine the impact of temperature and ethylene on the ripening quality of ‘Hass’ avocado and the susceptibility of avocados to mechanical injury following harvest. The final objective is to continue our adaptation of 2 postharvest manuals developed in New Zealand for the California industry for use in standardization of terminology and measurement of fruit quality at the packinghouse, wholesale and retail levels.

 

2005 Research

This project will help to maintain and enhance the California avocado industry by continuing the postharvest evaluation on patented and unreleased varieties, continuing the examination of factors involved in postharvest decay development continuation of our collaborative effort to examine the impact of temperature and carbon dioxide on the ripening quality of ‘Hass’ avocado and initiation of research to further examine the susceptibility of avocados to mechanical injury following harvest.

2004 Research

This project will help to maintain and enhance the California avocado industry by continuing the postharvest evaluation on patented and unreleased varieties, continuing the examination of factors involved in postharvest decay development continuation of our collaborative effort to examine the impact of temperature and carbon dioxide on the ripening quality of ‘Hass’ avocado and initiation of research to further examine the susceptibility of avocados to mechanical injury following harvest.

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