Impact of Processing Aids on Rice Crisps at Various ... · protein was added Issues other than bulk...
Transcript of Impact of Processing Aids on Rice Crisps at Various ... · protein was added Issues other than bulk...
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AACC 2005AACC 2005
ByBy
Eric Sevatson, USC, LLCEric Sevatson, USC, LLC
Steve Peirce, RIBUS, Inc.Steve Peirce, RIBUS, Inc.
Impact of Processing Aids on Rice Impact of Processing Aids on Rice
Crisps at Various Protein LevelsCrisps at Various Protein Levels
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OverviewOverview
�� Crisp Rice Study (historic)Crisp Rice Study (historic)
�� Market ConditionsMarket Conditions
�� High Protein Rice Crisp TestingHigh Protein Rice Crisp Testing
�� Data & Expanded TestingData & Expanded Testing
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Rice Crisp Extrusion Rice Crisp Extrusion (past tests on rice flour)(past tests on rice flour)
�� Good Expansion & OutputGood Expansion & Output
�� Bulk Density Needs ManagementBulk Density Needs Management
�� Machinery WearMachinery Wear
�� Common Processing AidCommon Processing Aid
•• Mono glyceridesMono glycerides
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Historic TestingHistoric Testing
Bulk Density of Rice Crisps with Various Processing Aids
8.5
9.0
9.5
10.0
10.5
11.0
11.5
Control
0.25% M
yvaplex
0.5% M
yvaplex0.25%
Nu-R
ICE
0.5% N
u-RIC
E0.75%
Nu-R
ICE
1% N
u-RIC
E2%
Nu-R
ICE
Processing Aid Use Rate
Bu
lk D
en
sit
y (
kg
/m3
)
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Rice Crisp SamplesRice Crisp Samples
Photos taken by Texas A&M University
Control 0.25% Mono 0.5% Nu-RICE
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Rice Crisp SamplesRice Crisp Samples
Photos taken by Texas A&M University
Control 0.25% Mono 0.5% Nu-RICE
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Current MarketCurrent Market
�� Atkins Diet / Protein is PositiveAtkins Diet / Protein is Positive
�� Demand for Nutrition Bars (inclusions)Demand for Nutrition Bars (inclusions)
�� Added Protein has Impacted ProductionAdded Protein has Impacted Production
•• Decreased OutputDecreased Output
•• Raised Bulk DensityRaised Bulk Density
•• Changed Cell StructureChanged Cell Structure
•• Affects Product ConsistencyAffects Product Consistency
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Directional Study ObjectivesDirectional Study Objectives
�� Evaluate processing aids on crisp rice Evaluate processing aids on crisp rice
at various protein levels.at various protein levels.
•• Bulk DensityBulk Density
•• ShapeShape
•• Cell StructureCell Structure
�� Determine economic benefits.Determine economic benefits.
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Testing ConditionsTesting Conditions
�� Pilot Plant Test, Wenger TXPilot Plant Test, Wenger TX--5252
�� 30 & 70% Protein Levels30 & 70% Protein Levels
�� Rice Flour (long grain)Rice Flour (long grain)
�� Soy Protein IsolateSoy Protein Isolate
�� Processing AidsProcessing Aids
•• Mono GlyceridesMono Glycerides
•• Rice Bran ExtractRice Bran Extract
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ResultsResults
30% Protein30% Protein
�� Product did not run on screw set up Product did not run on screw set up
for high protein levels.for high protein levels.
�� Mono glycerides provided some Mono glycerides provided some
improvement in the product.improvement in the product.
�� Unable to complete the testing.Unable to complete the testing.
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ResultsResults
70% Protein70% Protein
Processing aid dose impacts bulk density.Processing aid dose impacts bulk density.
70% Protein Rice Crisps
140
150
160
170
180
190
200
Control 1% Mono 0.25%
RBE
0.5% RBE 1% RBE
Processing Aids
Bu
lk D
en
sit
y (
g/5
00 m
l)
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SamplesSamples70% Protein Rice Crisps70% Protein Rice Crisps
Control 1% Mono 0.25% RBE 0.5% RBE 1% RBE
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What was Learned?What was Learned?
�� Different screw configurations are Different screw configurations are
required for different protein levelsrequired for different protein levels
�� Processing aid impacts bulk densityProcessing aid impacts bulk density
�� RBE at low doses was more effective as RBE at low doses was more effective as
protein was addedprotein was added
�� Issues other than bulk density are Issues other than bulk density are
criticalcritical
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Future StudiesFuture Studies
�� Vary Use Rates of Processing AidsVary Use Rates of Processing Aids
�� Evaluate Items Important to ProducersEvaluate Items Important to Producers
•• TextureTexture
•• Moisture / Oil UptakeMoisture / Oil Uptake
•• Various Protein Sources (dairy, pea, etc.)Various Protein Sources (dairy, pea, etc.)
•• Output (in commercial system)Output (in commercial system)
•• Product ConsistencyProduct Consistency
•• Production at Lower MoistureProduction at Lower Moisture
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Testing CooperationTesting Cooperation
�� TextureTexture
�� Moisture / Oil Moisture / Oil UptakeUptake
�� Protein SourcesProtein Sources
�� OutputOutput
�� ConsistencyConsistency
�� Moisture LevelMoisture Level
�� Cost ReductionCost Reduction
�� Commercial ProducersCommercial Producers
�� Protein SuppliersProtein Suppliers
�� UniversitiesUniversities
�� ConsultantsConsultants
�� Equipment Equipment ManufacturersManufacturers
�� Product UsersProduct Users
Working jointly to achieve your necessary Product Characteristics !
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Reasons for TestingReasons for Testing
�� MarketMarket’’s Desires are Changings Desires are Changing
�� Upcoming Allergen LabelingUpcoming Allergen Labeling
�� Growth / Sourcing Issues for OrganicsGrowth / Sourcing Issues for Organics
�� Producers want to enhance / Producers want to enhance /
differentiate their products & take them differentiate their products & take them
to the next levelto the next level
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SummarySummary
�� Historic Crisp Rice Study (carbs)Historic Crisp Rice Study (carbs)
�� Current Market ConditionsCurrent Market Conditions
�� High Protein Testing DataHigh Protein Testing Data
�� Future / Expanded TestingFuture / Expanded Testing
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Contributing OrganizationsContributing Organizations
•• USC, LLCUSC, LLC
•• Kerry, Inc.Kerry, Inc.
•• Texas A&M UniversityTexas A&M University
•• RIBUS, Inc.RIBUS, Inc.
Rice Bran Extract is sold as NuRice Bran Extract is sold as Nu--RICE by RIBUS, Inc.RICE by RIBUS, Inc.
Mono Mono glycerideglyceride is sold as is sold as DimadanDimadan by American Ingredientsby American Ingredients