Encapsulated product containing essential oil and dyed microbial

Details Encapsulated product containing essential oil and dyed microbial Encapsulated product containing essential oil and dyed microbial

1996-05-14

1998-08-25

Naff, David M.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

426262, 4352551, 4352552, C12N 100, C12N 116, C12N 118, A23L 127

Patent

active

057982520

ABSTRACT:
An encapsulated product is provided containing a substance such as essential oil used in flavors and fragrances encapsulated in dyed cell wall-derived material such as from a fungus. The encapsulated product can be produced by contacting a microbial cell having an intact cell wall and which is preferably alive with the substance to be encapsulated, allowing the substance to diffuse through the cell wall into the microbial cell to encapsulate the substance and contacting the microbial cell with a dye to adsorb the dye to the surface of the cell wall to give a visible color to the cell wall. Alternatively, the microbial cell wall can be dyed before the microbial cell is contacted with the substance to be encapsulated. The cell wall can be dyed with a color associated with a naturally occurring source from which the substance encapsulated is obtained. For example, when the substance is lemon oil, the cell wall is dyed yellow. The encapsulated substance may be released from the microbial cell by chemical biodegradation or mechanical rupture of the cell wall. The encapsulated product can be used in foodstuffs to provide color and flavor, or for other uses where microcapsules are conventionally used.

REFERENCES:
patent: 5545557 (1996-08-01), Hobson et al.
Database WPI Section Ch, Week 9251.
Derwent Publications Ltd., London, GB, Class G 02, AN 92-419002 JP, A, 04 313 341 (Mitsubishi Paper Mills, Ltd.) 5 Nov. 1992.
Derwent AN 95-174891, JP-A-7096163, Apr. 11, 1995.

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