บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

The relationship of alpha-farnesene production and its oxidation product 6-methyl-5-heptene-2-one to superficial scald of apples during controlled atmosphere storage

Wang, Z. and Dilley, D. R.

Postharvest Horticulture Series - Department of Pomology, University of California Year: 1997 Issue: No. 16 Pages: 98-101 Ref: 10 ref.

1997

บทคัดย่อ

The relationship of alpha -farnesene production and its oxidation product 6-methyl-5-heptene-2-one to superficial scald of apples during controlled atmosphere storage.

Fruits of the scald-susceptible cultivars Granny Smith, Law Rome and Red Delicious and the non-susceptible cultivar Idared were treated with ethanol vapour or initial low O2 stress and then stored in controlled atmosphere storage (CA) at 3% O2 with 0% CO2 for 4 or 7 months. Fruits from all the treatments were analysed for alpha -farnesene and its oxidative breakdown product 6-methyl-5-heptene-2-one (MHO) ketone to determine their relationship to efficacy of scald control. Analyses were made after various durations of CA storage and during holding at 20 deg C in air after storage. Idared fruits produced slightly less alpha -farnesene than fruits of the 3 scald-susceptible cultivars during the first several months of storage. No general relationship was found between susceptibility of cultivars to scald and alpha -farnesene levels. The level of MHO production was also not generally related to scald incidence except that the MHO level invariably increased during the poststorage holding period when

scald increased dramatically. The effectiveness of initial low O2 stress or ethanol vapour treatments in reducing scald incidence was not associated with the production of alpha -farnesene or its oxidation product MHO.