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Technology of Technology of Technology of Technology of Minimally Processed Minimally Processed Minimally Processed Minimally Processed Fruits and VegetablesFruits and VegetablesFruits and VegetablesFruits and Vegetables
Dr. Vishnu Dr. Vishnu Dr. Vishnu Dr. Vishnu GarandeGarandeGarandeGarandeAssociate Prof. of Horticulture & Associate Prof. of Horticulture & Associate Prof. of Horticulture & Associate Prof. of Horticulture &
Principal, SATS, KolhapurPrincipal, SATS, KolhapurPrincipal, SATS, KolhapurPrincipal, SATS, Kolhapur
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� Production of Fruits : 74.50 m MT
Vegetables : 162.20 m MT
Total : 236.70
� India is the II ndnd largest producer of Fruits
and Vegetables in the world. and Vegetables in the world.
� India produces 12.90% of world’s Fruits and
14% of Vegetables.
(NHB Data Base, 2013)
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Share of India in worlds Market
Name of Fruit Share (%) Rank
1. Mango 51.00 Ist
2. Papaya 38.00 Ist
3. Banana 23.00 IInd3. Banana 23.00 IInd
4. Guava 3.00 Ivth
5. Oranges 5.00 VIth
6. Pine apple 7.00 VIth
7. Grapes 2.40 XIth
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Share of India in worlds Market
Name of vegetable Share (%) Rank
1. Cauliflower 37.72.00 Ist
2. Onion 11.38 IInd
3. Cabbage 7.07 IIIrd3. Cabbage 7.07 IIIrd
4. Potato 6.80 Vth
4. Tomato 5.70 vth
5. Green peas 5.20 IInd
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Estimated losses in Fruits
Name of Fruit Losses (%)
1. Apples : 14
2. Banana : 20-802. Banana : 20-80
3. Grapes : 27-37
4. Citrus fruits : 20-85
5. Papaya : 40-100
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Estimated losses in Vegetables
Name of Vegetables Losses (%)
1. Onions : 16-35
2. Potato : 5- 40
3. Tomato : 5-50
4. Okra : 12 -20
5. Sweet potato : 35- 45
In developed countries these losses are ranged between 5 to 10% only
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Handling of Fruits and Vegetables in India Handling of Fruits and Vegetables in India
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�About 25 to 30% losses of the fruits
and vegetables
� In terms of money Rs. 55 t0 60 � In terms of money Rs. 55 t0 60
thousand cr. Annually
Efforts are needed to save 10% only
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� Gov. of India created Separate Ministry i.e.
Ministry of FPI has been during July, 1990.
� Food Processing Industry is known as
‘SUN RISING INDUSTRY’
� Presently 6235 processing units (FSSAI, 2006)
� The maximum units are in MS 1186� The maximum units are in MS 1186
� Maximum units are in small scale category
� They are using their 50% installed capacity
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Level of processing (Fruits & Vegetables)
USA 65%
France 70 %
Brazil 70%
Malaysia 83 %Malaysia 83 %
Philippines 78%
Thailand 30 %
India 2.1%
Source: Indian Food Processing Sector, 2013
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Definition of Minimal Processing :
Fresh-cut fruits & vegetables that have been trimmed, peeled and cut into a fully usable form, which cut into a fully usable form, which are subsequently packed to offer consumers convenience while maintaining the freshness.
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Terms used to refer to minimally processed products
� Lightly Processed
� Partially Processed
� Fresh Cut Fruits and Veg.
� Pre-prepared Fruits & Veg.
� Ready – to – Eat/cook Fruits &Veg.
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It involves following operations such as :
Cleaning
Washing
Trimming
Coring
Slicing
Shredding
and so on
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Importance of Minimally Processed F. and V.
� Consumers are becoming more consciousabout their food but have less time to prepare
� F and V are to be prepared at the production site,pre-packed products helps in reducing thegarbage problems in the cities
�Increase in number of working women , they�Increase in number of working women , theylike to prepare the food at home but they don’thave time
�Minimally processed products available in thesupermarkets, hotels, airlines catering etc.services
� India it self is a big market� As the product is very perishable
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� Most of the processing techniques enhances
their storage shelf life while
� Minimal processing increases their perishability
Because of this:
Need for increased sanitation, preparation Need for increased sanitation, preparation
and handling of these products require
knowledge of Food science & Technology, Micro-
biology and Postharvest Physiology
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A small vendor’s cart with fresh-cut produce in developing countries
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Fresh cut Jack fruit in local market in common place
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�Slices of Mango, Papaya, Guava,
� Water melons, Musk melons
� Peeled and cored pineapple
Fruits suited for Minimal processing
� Peeled and cored pineapple
�Peeled citrus fruits
� Jack fruit bulbs
� Pomegranate arils
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�Peeled and sliced Potatoes
�Shredded lettuce and cabbage
Vegetables suited for Minimal Processing
�Washed and trimmed Spinach
�Vegetable snacks : Carrot and
Celery sticks
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�Cauliflower & Broccoli florets
�Cleaned & diced onions
� Shelled Green peas
� Scrapped Drum Stick
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Harvest
Receiving
Pre-cooling
Washing and disinfection
Peeling, trimming, deseeding
Cutting to specific sizes
Flow sheet for minimal processing
Cutting to specific sizes
Sorting for defects
Dipping
Drying
Packaging and labeling
Storage and distribution
Antimicrobial agentAnti-browning agentTexture-preserving agent
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Fruit
Wash and Sanitize
Peel
Anti-browning Treatment
Shrink wrap
Slicing
Packaging / Storage (4-8ºC 1-2 days)
Distribution
Steps in the production of fresh-cut fruits ( Small processor )
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1. Physiological Response
1. The physical damage or wounding caused by preparation increases respiration and ethylene production within minutes
2. Rates of metabolic processes
3. Change in color flavor, texture and
nutritional quality
4. Change in texture of the product
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The impact of wounding can be reduced by
1. Cooling the product before processing
2. Temperature control after processing
3. Use of sharp knives and equipments3. Use of sharp knives and equipments
4. Maintenance of good sanitation
5. Removal of surface moisture of the cut
product.
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2. Microbiological Concerns
� Fruits and vegetables are safe to eat because
the surface peel is an effective physical and
chemical barrier to micro-organisms.
�In addition, if the peel is damaged, the acidity of
the pulp prevents the growth of organisms.the pulp prevents the growth of organisms.
�The normal spoilage organisms are :
Erwinia and Pseudomonas - Harmful to humans
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�Changes in the environmental conditions
surrounding a product can result in significant
changes in the m. o.
� The risk of pathogenic bacteria may increase
with film packaging with packaging of products of
low salt content and high temperatures (>5°C ).
�Food pathogens such as Clostridium and
Listeria can potentially develop on minimally
processed fruits and vegetables.
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Microbial growth on minimally processed
products can be controlled by
�Good hygiene and Sanitation during the
process
�Use of chlorinated water – Sanitation of all
equip.
�Temperature management:
i.e. Low temp. during and after processing
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Post-cutting treatments to extend the shelf-life of fresh-cut products
A. Chemical post-cutting treatments�Acidification: � PPO (around pH 7.0)� Browning can be slowed by dipping
products in mild products in mild Acetic, ascorbic, citric, tartaric, fumaric or phosphoric acid alone or
� In combinations of ascorbic and citric acidbetter than individual use
However, these acids may impart off-flavours or promote tissue softening and must be used with care
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B. Application of edible coatings:
� Sodium caseinate and Stearic acid reduce
white blush in carrots
C. Natural antimicrobials: Plant extracts such as :
� Ginger�Cinnamon @ at 500 ppm�Cinnamon @ at 500 ppmD. Firming agents:
Calcium chloride solutions @ 0.5 to 1.0 percent.
E. Packaging : MAP/ CA (O2 @ 2 to 8% CO2 @ 5 to 15 %)
F. Low temp.:
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Fresh cut fruits in containers
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Packaging of fresh cut Fruits and VegetablesPackaging of fresh cut Fruits and Vegetables
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�Product bin dumpers
� Elevator belt conveyors
� Automatic sorting machines
� Abrasive peelers or high pressure water peelers
� Slicers or other cutting machines
� Continuous washing conveyors
� Spin driers, air driers, shakers
List of equipment used
� Spin driers, air driers, shakers
� Form-fill-seal packaging machines
� Weighing, labeling, coding machines
� Boxing and palletizing machines
� Metal detectors
J. B. James and T. Ngarmsak (2010)Processing of fresh-cut tropical fruits and vegetables:
A TECHNICAL GUIDE
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List of equipments used during processing
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Leafy Vegetables packaged in breathable bags
Tray with hinge interlock
PET tray with an overwrap filmZip lock bags used in small-scale
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Washing and transporting fruit in a large packing house
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Washing of pre-cut lettuce
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Cutting and Slicing machine
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Centrifugal driers
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Auto scale with form-fill-seal packaging unit
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Sorting of cut fruit
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Fresh-cut products sold in the fresh market
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