Effects of long term controlled atmosphere (CA) storage were examined in Honeycrisp and Rhode Island Greening apples. Apples were stored under varying conditions of atmosphere and temperature and tested for hardness, pH, and infrared spectra. IR results revealed increase in acetaldehyde and/or ethyl acetate in CA apples. Literature shows that apples in CA undergo fermentative metabolism, leading to buildup of undesirable compounds. It is recommended to remove apples from refrigeration for eight days to reverse effects of fermentative metabolism.

• This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.

Creator

• Tofuri, John Hutcheon
• Nogueira, Tess Elisabeth
• Mazzucco, Jena Morgan

Publisher

• Worcester Polytechnic Institute

Identifier

• E-project-042617-103607

Advisor

• Kmiotek, Stephen J.

Year

• 2017

Sponsor

• North Country Hard Cider

Date created

• 2017-04-26

Location

• Rollinsford

Resource type

• Major Qualifying Project

Major

• Chemical Engineering

Rights statement

• In Copyright