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 Useful product derived from grapefruit pulp and process for preparing the same

Details
Inventors: Harich, Jakob; Harich, Franz P.;
Assignee: Rush-Hampton, Inc. (Orlando, FL)
Primary Examiner: Rosen; Sam
Assistant Examiner:
Attorney, Agent or Firm: Voight; Jerry D.

Grapefruit pulp is reacted with an alcohol or ketone, preferably a polyhydric alcohol such as propylene glycol or glycerin, in the presence of a free radical initiator such as ultraviolet light to produce a stable reaction product useful as an ingredient in various cosmetic products and for other purposes. The product is also highly effective as an antibacterial and antifungal agent.

DETAILED DESCRIPTION What is claimed is: 1.
A process for preparing an organic composition which comprises contacting the pulps of grapefruit with a non-toxic polyhydric alcohol to form a reaction product and separating this product from the pulp residue.
2.
The process of claim 1 wherein the polyhydric alcohol is selected from the group consisting of propylene glycol and glycerin.
3.
The process of claim 2 wherein the grapefruit pulp is the inner pulp of fresh grapefruit having a pH of about 2.
5 to 5.
0.
4.
The process of claim 2 wherein the grapefruit pulp is contacted with the polyhydric alcohol at a weight ratio of about 1:2, and the reaction is carried out at an elevated temperature.
5.
The process of claim 1 wherein the grapefruit pulp is contacted with propylene glycol.
6.
The process of claim 1 wherein the grapefruit pulp is contacted with glycerin.
7.
A process for forming an organic composition which comprises contacting fresh grapefruit pulp having a low acid content, as shown by a pH of about 2.
5 to 5.
0, with an excess of propylene glycol or glycerin at a temperature of about 90.
degree.
to 140.
degree.
F.
for a period of about 6 to 24 hours to form a reaction product and separating the product from the pulp residue.
8.
An organic composition comprising the product obtained by contacting grapefruit pulp with a non-toxic polyhydric alcohol to form a reaction product, and separating this product from the pulp residue.
9.
The composition of claim 8 wherein the polyhydric alcohol is propylene glycol or glycerin.
10.
The composition of claim 8 wherein the grapefruit pulp is fresh grapefruit pulp having a pH of about 2.
5 to 5.
0.
11.
The composition of claim 10 wherein the polyhydric alcohol is propylene glycol.
12.
The composition of claim 11 wherein an excess of propylene glycol is contacted with the grapefruit pulp at a temperature of about 90.
degree.
to 140.
degree.
F.
for a period of about 6 to 24 hours.
13.
The composition of claim 8 wherein the polyhydric alcohol is contacted with the grapefruit pulp in the presence of a free radical initiator



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