摘要:
Food safety and longevity of still respiring fruit or vegetable pieces are enhanced reliant on a treatment process where the cut surfaces (preferably cleaned of cell debrit) are subjected to both UV light irradiation and heating so as, in concert, render the surfaces more sterile. The heating also has the effect of reducing ethylene production and at least depressing respiration. Such a process is preferably in addition to an anti-oxidant impregnation. The overall process in its preferred forms significantly extends the life and apparent freshness of, for example, apple slices when kept post treatment (eg; 25 days) over the temperature range of from 0 DEG C to 8 DEG C.
摘要:
A method for preserving tubers, preferably potatoes, wherein tubers are placed in a package and said package is at least partially filled with a gas, characterized in that the packaged tubers are subjected to a heat treatment such that at least substantially the entire interior of the packaged tubers has a temperature of 25 - 75 °C, preferably 40 - 60 °C, more in particular approximately 50 °C when large tubers are concerned, and that at least substantially the entire interior of the packaged tubers has a temperature of 45 - 85 °C, preferably 60 - 80 °C, in particular approximately 70 °C when small tubers or parts of tubers are concerned.
摘要:
A method for the preservation of fresh fruit and vegetable comprises treating whole or cut pieces with microwaves at a temperature not exceeding 45°C and subsequently freezing the microwaved fruit or vegetable. Upon thawing the treated product has organoleptic characteristics of the corresponding fresh product.
摘要:
Blanching or part-cooking vegetables by heating with saturated steam and simultaneously microwaving, which may be intermittently, for instance in a combined apparatus (1), and thereafter quickly cooling, preferably by spraying with finely divided water of 5°C or less and preferably of -0° to -10°C, for instance transporter (12) under spraying device (13).