MadSci Network: Botany

Re: On a celllar or tissue level, where does orange juice come from?

Date: Thu Oct 14 11:55:43 1999
Posted By: Alfred Bushway, Professor of Food Science
Area of science: Botany
ID: 939318592.Bt

Dear Mr. Waryck:

On a cellular level orange juice comes primarily from the cytoplasm of the 
fruit cells. Its composition is primarily water(ca 87%). Other constituents 
include carbohydrate (11-12%., primarily simple sugars), fiber (0.5%, from 
the pulp, pectin, etc.), ash (0.5%, minerals), ascorbic acid (50 mg) and 
vitamin A (205 International Units). These values will vary depending on 
the variety of oranges used to produce the juice, environmental conditions 
during the growing season. etc.

I hope information provides the answer to your questions.


Al Bushway
Professor of Food Science

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