Influence of cultivar, harvest time, storage conditions, and peeling on the antioxidant capacity and phenolic and ascorbic acid contents of apples and pears

J Agric Food Chem. 2011 Jun 8;59(11):6165-71. doi: 10.1021/jf201013k. Epub 2011 May 12.

Abstract

Apple and pear fruits are important sources of secondary plant metabolites and one of the major sources of dietary phenolics consumed all year round. The aim of this work was to identify the main variables influencing phenolic content and antioxidant capacity in apples. Higher phenolic and antioxidant contents were observed in some varieties (such as the Delbar Estival apple and Durondeau pear). Storage conditions were important. Our results also showed that fruits should be consumed rapidly after purchase and with their peel. After one week of domestic storage, the ascorbic acid content was found to decrease by 75%. Peeling led to a more than 25% decrease in total phenolics and ascorbic acid. The harvest time (at normal ripeness) had only a limited impact, but significant year-to-year variations were observed. In conclusion, well-chosen and well-stored apples and pears may contribute to an antioxidant-rich diet if consumed rapidly and with their peel.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antioxidants / analysis*
  • Ascorbic Acid / analysis*
  • Food Handling / methods*
  • Fruit / chemistry
  • Fruit / growth & development
  • Malus / chemistry*
  • Malus / growth & development
  • Phenols / analysis*
  • Plant Extracts / analysis*
  • Pyrus / chemistry*
  • Pyrus / growth & development
  • Time Factors

Substances

  • Antioxidants
  • Phenols
  • Plant Extracts
  • Ascorbic Acid