Preparation of dehydrated tomato products Next. Drying is the oldest known method of preserving food. Dehydration is the process of slowly removing water.

Preparation of dehydrated tomato products

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Drying is the oldest known method of preserving food.

Dehydration is the process of slowly removing water from tomatoes.

Dried or dehydrated tomatoes have longer shelf life.

Introduction

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In the Mediterranean region, tomatoes are dried in the sun


Introduction

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Time it takes to dry tomatoes depends on the

Variety of the tomatoes,

humidity in the air during drying process,

thickness of slices or pieces and efficiency of dehydrator or oven

Firm, ripe, meaty tomatoes are dry best, Roma, plum or pear tomatoes varieties give good product

These varieties have good pulp and few seeds

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Introduction

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Successful dehydration of tomatoes is depended upon control of the temperature and air calculation

They should not be dried either at too low or too high temperature

Properly dried tomatoes have

dark red colour and

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feel dry and leathery, but not hard or brittle

not sticky or moister

Drying or dehydration means the process of removal of moisture by the application of artificial heat under controlled conditions of temperature, humidity and air flow.

Definition of Dehydration

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Methods of Dehydration

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Tomatoes can be dried in sun or by dehydrator

Dehydrator dried product is superior in quality than sun dried

There are basically 2 ways of dehydrating tomatoes:


Oven drying

Dehydrator drying


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It can be done in any time of the day.

Source: http://nwfarmsandfood.com/index.php/3-ways-to-preserve-tomatoes

It is best to use when the tomato quantity to be dried is small.


Oven drying

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The heated air is circulated with the help of a blower or a fan.

Source: http://nwfarmsandfood.com/index.php/3-ways-to-preserve-tomatoes

Most dehydrators are equipped with thermostat.


Dehydrator drying

It is important to turn the tomato slices and also rotate the discs during drying.






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Require very little space for storage

Can be stored in food grade plastic bags, air tight jars or any other suitable containers.


Packaging and Storage

Storage stability is 200 days.

Dried tomatoes may be stored in cool and dry place.

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Dehydrated Tomato Slices

Dehydrated tomato powder

Rehydration

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It can be rehydrated in many ways:

May be added directly into soups or stews

May be soaked in water or vegetable juice to cover

Takes 1-2 hours to rehydrate

Let Us Sum Up

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Drying is an important and oldest preservation method in food processing

The main purpose of dehydration is to extend the shelf life of foods by a reduction in water activity

It also saves energy, money and space in shipping, packaging, storing and transportation

Due to these advantages the dried fruit or vegetable is known as high value low volume food.

Tomatoes can be dried either in the sun or in dehydrator


Let Us Sum Up

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They can be dried as slices or pieces and made into powder

Tomato products should be packaged in hermetically sealed container


Preparation of dehydrated tomato products Next. Drying is the oldest known method of preserving food. Dehydration is the process of slowly removing water.

Documents

dehydrated tomatoes

tomato quantity

meaty tomatoes

dried fruit

ways of dehydrating

pear tomatoes varieties

air flow

air calculationthey