flour optimization. - iaom-mea.com€¦ · 1 | © bühler | milling technology ii 2011 flour...
TRANSCRIPT
![Page 1: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/1.jpg)
1 | © Bühler | Milling Technology II 2011
Flour Optimization.
IAOM
Abu Dhabi, U.A.E.
December 7, 2012
Dr. Peter C. Böhni
![Page 2: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/2.jpg)
2 | © Bühler |
Agenda.
Optimal Flour
Market Challenges and Their Drivers
Solutions to Improve Flour Quality
- Technology: Attrition Flour
- Ingredients: Gluten functionality
Food Security - Local Crops (Cassava)
Summary
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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3 | © Bühler |
Milling Bakeries China EU
Gra
in Q
uality
The Challenge of the Miller. Constant Flour Quality
Constant flour quality in respect to what?
Protein
content
Fiber
content
Shelf
life Profitability
Baking
performance
Dough
stability
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
![Page 4: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/4.jpg)
4 | © Bühler |
Topics in Western Markets. Consumer’s View
Health (obesity, heart health, blood
pressure)
Convenience
Clean Label
Gluten (Celiac Disease)
Salt Reduction
Whole grain and Natural Fibers
Food Safety – Mycotoxins/Contaminants
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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5 | © Bühler |
Topics in Emerging Markets. Producer and Consumer Views
Grain Prices – Availability
Supply Chain – Logistics
(Losses/wastes)
Quality of Raw Materials
Import Restrictions - Legislation:
Processing of local raw materials
(Cassava)
Malnutrition – Hidden Hunger
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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6 | © Bühler |
Milling
Analytics
Perten,
Chopin, …
Sortex,
Cleaning
Systems
Bakeries China EU
Gra
in Q
uality
Handling,
Mixing
Quality
Assurance
Process
Optimization
Milling
Equipment
Constant Flour Quality to Meet Customer Specifications. Different Approaches – From Technology to Ingredients
Flour
Correctors
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
![Page 7: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/7.jpg)
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45 g water (bound by gluten ~ 30 %, and starch ~ 60 % )
43 g starch
8 g protein (gluten) 3 g other
Approx. composition of 100 g dough
Gluten is responsible
for dough formation
and gas holding
properties
Starch is
responsible for
bread texture
formation
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
Bread dough is a water swollen system based on gluten and starch.
![Page 8: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/8.jpg)
8 | © Bühler |
10 m 25 m
Images ETH Zürich (Hug-Iten, 2000)
Dough: Bread:
Starch plays a key role in bread as texturing agent
limited swelling capacity
of native starch granules
extensive swelling of starch
granules leads to setting
of bread texture
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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Attrition Flours for
Higher Water
Absorption. .
![Page 10: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/10.jpg)
10 | © Bühler |
Attrition Flours. Higher water absorption through mechanically damaged starch.
■ Damaged starch through
roller mills.
■ Grinding pressure
deforms the starch
granule and partly
destroys the crystalline
structure.
■ Damaged starch
granules possess a
higher water retention
capacity
R² = 0.755
60
65
70
75
80
85
5 10 15 20 25
Wa
ter
up
tak
e a
s m
ea
su
red
wit
h F
ari
no
gra
ph
[%
]
(50
0 B
U,
14
% m
ois
ture
ba
se
d)
Starch damage AACC 76-30.02 [%] (dry matter based)
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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11 | © Bühler |
Attrition Flours. System comparison of ball mill system versus roller mill.
Ball mill system Fine Grinding
Impact Mill
MJPB
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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12 | © Bühler |
Attrition Flours. Attrition flour from coarse semolina.
■ Semolina reduction with high grinding pressure.
■ Fine Impact Mill MJPB for detaching flakes.
■ Mechanically damaged starch absorbs five times more water than intact starch!
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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13 | © Bühler |
Attrition Flours. Increase of water absorption by addition of attrition flour.
Product
Water
absorption
[14% Basis]
Starch
damage
[%]
Standard flour type 550 62.6 9.9
Attrition flour processed with roller mill and
Fine Grinding Impact Mill Type MJPB 87.8 25.5
Blend of 92% standard flour 550 and
8% attrition flour 65.1 11.0
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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14 | © Bühler |
Formulations – Attrition Flour Positive Effects on Bread Production
Ingredients Trial 1
[g]
Trial 2
[g]
Δ
[%]
Trial 3
[g]
Flour type 550 1000 950 950
Attrition flour - 50 5 50
Water 650 660 1.5 660
Salt 20 20 20
Yeast 30 30 30
Flourzyme™ - - 1.00
Total 1700 1710 0.6 1711
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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15 | © Bühler |
388 403 453
0
50
100
150
200
250
300
350
400
450
500
0 sample, flour type 550 Flour type 550 + 5% Attrition flour Flour type 550 + 5% Attrition flour + 0.1%Flourzme™
[ml/
10
0g
] b
rea
d
+3.8%
+16.6%
Specific Volume Attrition Flour
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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16 | © Bühler |
Specific Volume – Texture Breads with 5% Attrition Flour
1: Flour Type 550
2: Flour Type 550 + 5% attrition flour
3: Flour Type 550 + 5% attrition flour
+ 0.1% Flourzyme™
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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17 | © Bühler |
Attrition Flours for Higher Water Absorption. Summary.
■ Attrition passages increase flexibility and
can add value to your flour by
Increased water absorption
Higher dough yield
Improved bread volume
Extended shelf life
■ Attrition process via roller mill is an
economical solution. It is user-friendly and
requires little maintenance.
The simple value-added process for a flexible milling operation
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
![Page 18: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/18.jpg)
18 | © Bühler |
45 g water (bound by gluten ~ 30 %, and starch ~ 60 % )
43 g starch
8 g protein (gluten) 3 g other
Approx. composition of 100 g dough
Gluten is responsible
for dough formation
and gas holding
properties
Starch is
responsible for
bread texture
formation
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
Bread dough is a water swollen system based on gluten and starch.
![Page 19: Flour Optimization. - iaom-mea.com€¦ · 1 | © Bühler | Milling Technology II 2011 Flour Optimization. IAOM Abu Dhabi, U.A.E. December 7, 2012 Dr. Peter C. Böhni](https://reader033.vdocuments.mx/reader033/viewer/2022052720/5f094b897e708231d42624b8/html5/thumbnails/19.jpg)
19 | © Bühler |
Wheat Protein Content for Different Applications
Cakes
Cookies
Pie Crusts & Doughnuts
Crackers
Asian Noodles
General Purpose Flours
Sandwich Breads
Pasta & Egg Noodles
Hearth Breads
Variety Breads
8 9 10 11 12 13 14 15 16
HRW HRS/Durum
HW
SRW
SW
% Protein
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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20 | © Bühler |
Improvement of Gluten Quality and Performance
Wheat of a good gluten quality resulting in
an optimal baking performance is
expensive.
The addition of vital wheat gluten can
deliver a better baking performance, but
can be costly
Flourzyme™ – improves the baking
performance of low–protein flours and
Flourzyme™ – Omits the use of vital
wheat gluten
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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21 | © Bühler |
Ingredients Trial 1 [g] Trial 2 [g]
Trial 3 [g]
Flour type 550 2000 1960 2000
Water 1250 1250 1250
Yeast 60 60 60
Salt 40 40 40
Dry Gluten - 40 -
Flourzyme™ - - 2
Total 3350.00 3350.00 3352.00
Formulations Gluten Replacement
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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22 | © Bühler |
304.3 331.2 474.0
0
50
100
150
200
250
300
350
400
450
500
0 sample, flour type 550 Flour type 550 + 2% dry Gluten Flour type 550 + Flourzyme™
[ml/1
00
g]
bre
ad
+8.8%
+55.8%
Specific Volume Gluten Replacement
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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23 | © Bühler |
Specific Volume - Texture Gluten Replacement
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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24 | © Bühler |
Saving
11 EUR/MT
Cost Benefit Gluten Replacement
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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The Government of Nigeria plans to cut wheat
imports by introducing a new policy compelling
cassava flour inclusion in wheat flour.
Their plan is to impose a levy of 15% on wheat
imports, increasing the duty from 5% to 20%.
A fiscal incentive is introduced to stimulate
domestic production and processing of cassava.
Implementation has started in March 2012 with 10%
cassava flour inclusion in wheat flour.
The inclusion rate is expected to increase steadily to
40% cassava by 2015.
Food Security Policies to substitute Cassava Flour for Wheat Flour in Nigeria
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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26 | © Bühler |
Formulation Bread without and with 10% Cassava Flour
Ingredients Trial 1 [g] Trial 2 [g] Trial 3 [g]
Flour type 550 1000 900 900
Cassava flour - 100 100
Water 640 640 640
Yeast 30 30 30
Salt 20 20 20
Sugar 100 100 100
Vegetable Fat 10 10 10
Flourzyme™ - - 2
Total 1800 1800 1802
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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27 | © Bühler |
339 320 377
0
50
100
150
200
250
300
350
400
450
500
0 sample, flour typpe 550 Flour type 550 + 10% Cassava Flour type 550 + 10% Cassava + 0.2% Flourzyme™
[ml/
10
0g
] b
rea
d
-5.7%
+11%
Specific Volume Volume development without and with 10% Cassava Flour
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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28 | © Bühler |
Product Applications Bread with 10% Cassava Flour
1: Flour Type 550
2: Flour Type 550 + 10% cassava
3: Flour Type 550 + 10% cassava
+ 0.2% Flourzyme™
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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29 | © Bühler |
Product Applications Bread with Cassava
Inclusion of cassava flour into
wheat flour up to about 20%
could still give an acceptable
fresh loaf depending on the
source of wheat flour.
Bread on display for sale in Nigeria
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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30 | © Bühler |
Wheat flour blended with 10% native cassava flour had no
negative effect on cooking properties or texture firmness
The sample with 10% cassava had a less sticky surface when
compared with 100% wheat flour
Cooking loss as well as firmness of the texture were
significantly influenced by addition of 25 or 40% cassava flour.
Product Applications Pasta with Cassava
Trials Cooking loss Texture analysis
Technology - Sample Starch release
[%]
E-value
[mJ]
Polymatik - 0% Cassava 4.7 0.7380
Polymatik - 10% Cassava 4.6 0.7380
Priomatik - 25% treated Cassava 5.6 0.5350
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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31 | © Bühler |
Summary Optimization of Flour Quality
Nutrition
Application
Know-how Ingredients
Technology
Process
Health
Optimal and constant flour quality
requires know-how in:
- Technology
- Processes
- Biochemistry and
- Applications
Customer Value
- Innovations for the marketplace.
- Higher-value products through new
processes or ingredients.
- Upgrading of by-products.
- Development of new market
segments.
Flour Optimization, IAOM, Abu Dhabi | Dr. Peter C. Böhni, CDN1 | 2012
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32 | © Bühler | Milling Technology II 2011
Team:
Matthias Furrer
Patrick Soltermann*
Chris Lemaire
Saghi Mohamadi*
Walter von Reding
Manfred Dirndorfer*
Thank you!