![Page 1: JATUN HUAYRA MEPHISTO MCM Comparison between parboiled … fileDepartamento de Investigación y Desarrollo Carlos Castro V. Barney Jacome S. Marcelo Quintana G. Carlos Jr. Castro V](https://reader030.vdocuments.mx/reader030/viewer/2022041301/5e10365a8067822d7a366b66/html5/thumbnails/1.jpg)
Departamento de Investigación y DesarrolloCarlos Castro V.
Barney Jacome S.Marcelo Quintana G.
Carlos Jr. Castro V.Danilo Vera C. June 2019
Comparison between parboiled and aged rice and advances with the automation of aging rice by
using INDUHORST technology
JATUN HUAYRA MEPHISTO MCM
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Outline
✓ Fundaments of aging rice
✓ Parboiled rice:
✓ Main characteristics
✓ Procedures to obtain parboiled rice
✓ Aged rice:
✓ Main characteristics
✓ Procedures to obtain aged rice
✓ Differences between parboiled and aged rice
✓ Advances in the automation of Induhorst EVA-7000 and EVA-14800 aged rice machines
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Fundaments of aging rice
✓ Fresh rice contains around 80% of starch
✓ Starch: Different contents of amylose and amylopectin
✓ Large chains of starch cause undesirable conditions in cooked rice.
✓ Large chains of starch should be destroyed:➢ Traditional: 5 to 15 months of storage➢Artificial way :
✓ Parboiled (36 to 55 hours)✓ Aging using Induhorst technology (24-36
hours)
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Comparison between traditional aging, induced aging and parboiled rice
CharacteristicsTraditional
AgingInduced
agingParboiled
Processing time
1 – 3 years ~32 hours ~ 55 hours
Maintenance risk
High risk Low risk Low risk
Amylosecontent
Increase Increase Increase
Grain breakdown
Low risk Low risk Very low risk
Color change whiteness loss (2 points)
whiteness loss (2 points)
Cream color
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What is parboiled rice?
Is a hydrothermal process in which the crystalline form ofstarch present in the paddy rice is changed as a result of theirreversible swelling and fusion of starch (Kasasian 1982)
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Importance of parboiled rice
✓Is staple food in Bangladesh, Sri Lanka
✓Accounts for more than half of the rough rice produced in India and Nepal and large proportion in Pakistan.
✓Its popular in parts of Africa and Asia.
✓Its stimated that about one fifth of the world’s rice is parboiled (Gariboldi, 1984)
(Bhattacharya 1985; Pillaiyar 1988, 1990)
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✓ Consists of steeping rough rice in ambient temperaturewater for a few days followed by steaming or boiling at1000C and sun-drying
✓ Pressure-parboiled rice requires a longer cooking timeand cook harder than traditional parboiled rice whichundergoes aging of storage changes.
✓ Amylose content seems to be the most dominant qualityas in raw rice quality (Biswas & Juliano, 1988)
Main characteristics of parboiling rice
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The major objectives of parboiling are to:
✓ Increase the total and head yield of the paddy
✓ Prevent the loss of nutrients during milling
✓ Salvage wet or damaged paddy
✓ Prepare the rice according to the requirements of consumers
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Aged Rice.- Main Characteristics
✓ It is an spontaneous and natural phenomenon.
✓ Rice grain with long term storage that had undergoeschanges in its physical properties and chemicalcomposition.
✓ Cause important effects on rice cooking and eatingquality.
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Why is important to consume aged rice
✓ Facilitate the cooking: higher volume expansion and water absorption upon cooking.
✓ Less sticky cooked rice
✓ Improve digestion: due to starch transformation ( amylopectin to amylose)
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….Aged rice: Main characteristics
✓Volume expansion/water absorption
✓Consistency
✓Fluffier
✓Palatability
✓Other: Flavor
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Main concerns with traditional rice aging method
✓ Time consumed ( From 1 to- 3 years)
✓ Use of space for storage (use of rough rice)
✓ Maintenance risk (pest attack, over heating, natural disaster ( flooding, changes in temperature)
✓ Higher costs/ Investment
✓ Lower return rate/low benefits
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Parboiled rice vs induced aging of rice
Characteristic Parboiled Aging Induced aging
Process steps 1) Soaking 1)Milled
2) Cooking 2)Induhorst machine
3) Drying 3)Unloaded/storage
4) Milled
5)Stored
Process time 42 – 65 hours 24-36 hours
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Parboiled rice vs induced aging of rice
Characteristic Parboiled Aging Induced aging
Grain Maintenance risk Low risk Low risk
Amylose content Increased Increased
Grain breakdown Reduced Low risk
Color change Color change, from white to white brown
whiteness loss (2 points)
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Advantages in the automation of Induhorstaging rice machine
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2001- Manual (no automation)- Many commander buttons- High risk of grain damage/by
operator errors- High rice color variation
2006- Manual (no automation)- Many commander buttons- Medium risk of grain damage/by
operator errors- Medium variation color in
processed rice
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2019- Last Generation Programmable
Logic Control (PLC)- Higher memory capacity (recipe storage)- Digital operation (no buttons)- Very low risk of grain damage- Low risk of lost programming
2012- Programmable Logic Control (PLC)- Many commander buttons- Low risk of grain damage/by
operator errors- Low variation color in processed rice
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EVA-14700 Aged Machine
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3D design aged rice machine line
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Description EVA 7000 EVA 14800
Capacity ~7000 kg/process ~14800 kg/process
Installed Power/hour 65 kW/86.9 HP 110 kW/147.5 HP
Process power/h. 40 kW 75 kW
Dimension (L – W - H) 4.1 x 2.1 x 4.2 (m) 4.1 x 2.1 x 6.7 (m)
Installation Voltage 220-380-440V (3ph) 220-380-440V (3ph)
Frequency 50-60 Hz 50-60 Hz
Weight without load 6900 kg 12500 kg
Weight with load ~13900 kg ~27200 kg
Resistance 18 units 30 units
Technical Information of EVA-7000 and EVA-14800
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maquina con características de funcionamiento
Processing characteristics
Action EVA 7000 EVA 14700
Process capacity/batch ~7000 kg (154 qq) ~14800 kg (326 qq)
Operational hand labor 1 operator 1 operator
Rice type Husked rice Husked rice
Loading time 45 min 45 min
Process time 18 - 32 hours 18 - 32 hours
Cooling time* 6 – 10 hours 6 – 10 hours
Unloading time 45 min 45 min
Humidity lose/process ± 1% ± 1%
*For unloading, the grain temperature do not should exceed the 10oC respect the external temperature
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maquina con características de funcionamiento
EVA 7000 and EVA14700 power consumption characteristics
Action EVA 7000 EVA 14700
Power consumption/process*
600 kW 1130 kW
Total power used for Fresh rice*
3.87 kW/qq($ 0,43 /qq)
3.48 kW/qq($ 0.38 /qq)
Total power used for Pre-stored rice (4 – 6 months)**
2.79 kW/qq($ 0.31/qq)
2.51 kW/qq($ 0.28/qq)
* Based on real 25 hour process. Data from Processing plant in Perú
** Based on real 18 hour process. Data from Processing plant in Perú
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Experiences of Induhorst aged rice machine in different countries
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Production Line in Lambayeque - Peru
Photos courtesy: Barney Jacome S.
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Photos courtesy: Carlos Castro. Photos courtesy: Barney Jacome S.
Production Line Guayas Province- Ecuador
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Achievements
✓ The increase of processing capacity
✓Reduction of processing costs
✓ Use of last Generation Programmable Logic Control (PLC)➢ Wireless remote control ➢ Higer level of operational control➢ Record of time processing, temperature used, loading
and unloading time, etc➢ Adjustment to the differents specifications of the
demandent.
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Grainy rice test