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Home Cooking Intermediate-moisture-legume-and-cereal-food-product-and-method-of-producing

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 Intermediate moisture legume and cereal food product and method of producing

Details
Inventors: Lusas, Edmund W.; Guzman, Gabriel J.;
Assignee: Texas A&M University (College Station, TX)
Primary Examiner: Czaja; Donald E.
Assistant Examiner: Mims; Mary S.
Attorney, Agent or Firm: Cox & Smith Incorporated

A method of producing an edible, shelf-stable legume and/or cereal food product comprises cooking a substrate such as legume seeds and/or cereal grains under conditions effective to maintain a total content of water in the substrate at about 20 to 60 wt % and inactivate microorganisms, lectins, enzymes, trypsin inhibitors, and hemagglutinins, while increasing protein and starch digestibility and palatability, admixing the cooked substrate with an ingredient selected from the group consisting of fats or oils, sweeteners, humectant agents, salts, edible acids, flavorings and preservatives, cooking under conditions effective to pasteurize the admixture and produce a flowable food product having a total water content of about 20 to 45 wt % while preventing the protein from further denaturing, and cooling and forming the food product into a desired shape. An edible, shelf-stable legume and/or cereal food product is prepared by the method described above. The product has a water activity (A.sub.w) of 0.65 to 0.87, pH of 4.0 to 6.0 and a moisture content of 20 to 45 wt %.

DETAILED DESCRIPTION We claim: 1.
A method of producing an edible, non-meat, shelf-stable, field-dried legume food product, comprising cooking a substrate selected from the group consisting of field-dried legume seeds under conditions effective to maintain a total content of water in the substrate at about 20 to 60 wt % and to inactivate microorganisms, lectins, enzymes, trypsin inhibitors, and hemagglutinins, while increasing protein and starch digestibility and palatability; admixing the cooked substrate with an ingredient selected from the group consisting of solids or liquid fats, sweeteners, humectants, emulsifiers, salts, edible acids, flavorings and preservatives to obtain a final product water activity (A.
sub.
w) of less than 0.
87; cooking the admixture under conditions effective to pasteurize the admixture and produce a flowable food product having a total water content of about 20 to 45 wt % while minimizing shearing and avoiding expansion or puffing of the contained starch; and cooling and forming the food product into a desired shape.
2.
The method of claim 1, further comprising reducing the size of the seeds to produce a paste.
3.
The method of claim 1, wherein the first cooking step is conducted at a temperature of about 180.
degree.
to 275.
degree.
F.
; and the temperature is then lowered to about 130.
degree.
to 215.
degree.
F.
4.
The method of claim 1, wherein the field dried legume seeds are selected from the group consisting of beans, peas, and lentils.
5.
The method of claim 1, wherein the second cooking step is conducted at a temperature of about 180.
degree.
to 240.
degree.
F.
; and the temperature is then lowered to about 160.
degree.
to 215.
degree.
F.
6.
The method of claim 1, wherein the first cooking step is conducted by mixing water with the seeds in a proportion of about 1.
00:0.
75 to 1.
00:14.
00 wt:wt.
7.
The method of claim 1, wherein the first cooking step is conducted by steam cooking.
8.
The method of claim 1, wherein the first cooking step is conducted by extrusion cooking



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