METHOD FOR PREPARING OF SPECIAL BULB ONION FOR STORAGE Russian patent published in 2008 - IPC A23L3/00 

Abstract RU 2317742 C1

FIELD: process for preparing of fresh onion for further usage in space feeding.

SUBSTANCE: method involves sequentially extracting Mortierella alpina micromycet biomass using non-polar extractant in above-critical state, water, alkali, water, acid, water, alkali, and water; joining first extract with solid residue for producing of preparation from biomass; sterilizing distilled water, gauze wads and smoking paper; preparing 70%-ethyl alcohol solution and 0.005%-suspension of biomass preparation using sterilized distilled water; inspecting bulb onion; wiping each bulb with sterilized gauze wad soaked in ethyl alcohol solution; removing loosely adhering covering layer scale; holding in suspension of biomass preparation during 5 min; cutting off neck part; cleaning stem; washing using ethyl alcohol solution with neck being oriented downward, and drying at temperature of 35±5 C until residual moisture content of upper layer scale is 18-20%; wiping each onion bulb using sterilized gauze wad soaked in ethyl alcohol solution; providing ultraviolet radiation of onion bulb during 30 min at each opposite side at radiation power of 1.5-2.5 W/m3; individually packaging each onion bulb in smoking paper under aseptic conditions and placing in single layers into sterile polymeric trays.

EFFECT: prolonged storage life of bulb onion fit for further usage in space feeding.

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RU 2 317 742 C1

Authors

Kvasenkov Oleg Ivanovich

Dates

2008-02-27Published

2006-08-30Filed