Acknowledgements
The author thanks Mr. Eldwin St. Cyr and Ms. Blain
Ogier for excellent technical assistance, and to Mr.
Chris Finger for assistance in the dextran determina-
tions. Thanks also go to Dr. Gao for the collection of
the factory mixed juice sample, and to Dr. Robert
Brown of SRRC-USDA-ARS for use of his incubator.