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Our Ice Cream Factory in Norwich
In January2006 we were awarded
European Food Saftey Inspecton Service accreditation SAFE & LEGAL. |
 |
The Circular vessel on the left, is a Batch Pasteurizer.
The rectangular machine on the right is a Batch Ice Cream freezer.
Batch Pasteurizer for nixing Ice Cream & Sorbet
Pasteurization is the process by which the ingredients of the Ice Cream are
heat treated for 30 minutes at 67 degrees centigrade. The purpose of this is to
kill any harmful bacteria that might be present in any of the ingredients. In
order to keep an even temperature, the mixture is stirred or agitated at the
same time. At the end of the 30 minute heat treatment period, the mix is cooled
to below 7 degrees centigrade within one and a half hours
The pasteurizer
in the picture holds 500 litre of mix, this is quite small for a batch
pateurizer. In the picture you can see on top of the vessel the blue electric
motor which mixes and stirrs the mixture.
At Ronaldo 's we fill the
pasteurizer with Milk, Cream, Sugar, Skimmed milk powder, and Glucose. For
chocolate Ice Cream, we add Cocoa.
We also add a small quantity of 'Mono and
diglycerides of fatty acids' (a vegetable based emulsifier which naturally
occurs in the human body), and two vegetable based Stabilizers whch are made
from seaweed and a natural gum. Emulsifiers and Stabilizers help the Ice Cream
keep its texture and flavours on its journey from the factory to the
customer.
We heat and mix the ingredients, recording the temperatures.
When the mixture has been pasteurized, it is cooled and then it is ready to turn
into Ice Cream in the
Ice Cream Freezer
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back to top of the page
The Batch Ice Cream Freezer
A batch Ice Cream
Freezer, takes the cooled mix of ingredients from the pasteurizer, and whips and
freezes to produce Ice Cream. Our Ice Cream machine takes about a bucket (or 15
litres of mix), poured in the funnel shaped object at the top of the machine.
If, for example, we are making strawberry Ice Cream, then we put in half a
bucket of strawberries in as well. We switch on the machine run it for 10
minutes. The inside of the machine looks like the inside of a stainless steel
bucket. The sides become very cold and the mixture of milk cream sugar and
strawberries, freezes on the sides and is scraped off and whipped by a rotating
assembly of scrapers. After ten minutes the Ice Cream can be extracted from the
tap which is just visible in the picture.
The pasteurizer in the picture holds 500 litre of mix, this is quite small for a batch pateurizer. In the picture you can see on top of the vessel the blue electric motor which mixes and stirrs the mixture.
At Ronaldo 's we fill the pasteurizer with Milk, Cream, Sugar, Skimmed milk powder, and Glucose. For chocolate Ice Cream, we add Cocoa.
We also add a small quantity of 'Mono and diglycerides of fatty acids' (a vegetable based emulsifier which naturally occurs in the human body), and two vegetable based Stabilizers whch are made from seaweed and a natural gum. Emulsifiers and Stabilizers help the Ice Cream keep its texture and flavours on its journey from the factory to the customer.
We heat and mix the ingredients, recording the temperatures. When the mixture has been pasteurized, it is cooled and then it is ready to turn into Ice Cream in the
Ice Cream Freezer
Go back to top of the page
The Batch Ice Cream Freezer
A batch Ice Cream
Freezer, takes the cooled mix of ingredients from the pasteurizer, and whips and
freezes to produce Ice Cream. Our Ice Cream machine takes about a bucket (or 15
litres of mix), poured in the funnel shaped object at the top of the machine.
If, for example, we are making strawberry Ice Cream, then we put in half a
bucket of strawberries in as well. We switch on the machine run it for 10
minutes. The inside of the machine looks like the inside of a stainless steel
bucket. The sides become very cold and the mixture of milk cream sugar and
strawberries, freezes on the sides and is scraped off and whipped by a rotating
assembly of scrapers. After ten minutes the Ice Cream can be extracted from the
tap which is just visible in the picture.
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