Shelf stable, brewed beverage concentrates and methods of making the same
A technology for concentrates and beverages, applied in tea flavors, coffee flavors, food science, etc., can solve the problems of increasing processing and melting costs and time
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[0069] Example 1
[0070] The non-aqueous fluid coffee concentrate composition "A" (100% by weight) was prepared by stirring spray-dried soluble coffee powder (Robusta; 33% by weight) in NAL (propylene glycol; 67% by weight) with a spoon. The mixture is then heated in a microwave oven at full power for a total of 1 minute to a temperature of 180°F, while moving the mixture every 10 seconds and stirring with a spoon to effectively dissolve or disperse all the coffee in the NAL.
[0071] The comparative non-aqueous coffee concentrate composition "B" (100% by weight) was prepared by stirring the same spray-dried soluble coffee powder (Robusta; 33% by weight) in distilled water (67% by weight) with a spoon. The mixture was then heated to a temperature of 180°F in a microwave oven at full power, and then stirred with a spoon for 1 minute to dissolve all the coffee solids in the water.
[0072] Under air headspace, the two coffee concentrates were stored at 37°C for 30 days in 20 mL cappe...
Example Embodiment
[0073] Example 2
[0074] A non-aqueous fluid coffee concentrate "A" (100% by weight) was prepared by stirring spray-dried soluble coffee powder (Robusta; 33% by weight) in NAL (propylene glycol; 67% by weight) with a spoon. The mixture was then heated to a temperature of 200°F in a microwave oven and kept at this temperature for 10 minutes while stirring with a spoon to dissolve or disperse all the coffee in the NAL.
[0075] A comparative non-aqueous fluid coffee concentrate "B" (100% by weight) was prepared by stirring spray-dried soluble coffee powder (Robusta; 33% by weight) in NAL (1,3-propanediol; 67% by weight) with a spoon . The mixture was then heated to a temperature of 200°F in a microwave oven and kept at this temperature for 10 minutes while stirring with a spoon to dissolve or disperse all the coffee in the NAL.
[0076] Under air headspace, the two coffee concentrates were stored for 10 days at 37°C in 20 mL capped glass vials. The product was removed from storage ...
Example Embodiment
[0077] Example 3
[0078] The fluid non-aqueous coffee concentrate "A" (100% by weight) was prepared as follows: at room temperature, in NAL (caprylic / capric triglycerides, NEOBEE M-5?, from Stepan Co., Northfield, IL; 67% Weight), manually stir the spray-dried soluble coffee powder (Robusta; 33% by weight), and then use a rotor-stator type mixer (Heidolph: Silent Crusher-M, at 50,000 rpm) to subject the mixture to high shear mixing to Grind and disperse coffee in a smooth and homogeneous suspension.
[0079] The fluid coffee concentrate "B" (100% by weight) was prepared by stirring spray-dried soluble coffee powder (Robusta; 33% by weight) in distilled water (67% by weight) at room temperature. Subsequently, using a rotor-stator type mixer (Heidolph: Silent Crusher-M, at 50,000 rpm), the mixture was mixed to grind and dissolve all coffee solids in a smooth homogeneous solution.
[0080] Under air headspace, the two concentrates were stored at 37°C for 30 days in 20 mL capped glass...
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