![]() | The Packaging of Fruit Juice and Non-Carbonated Fruit Drinks (CDI, 1998, 87 p.) |
![]() | ![]() | III. THE DIFFERENT TYPES OF PACKAGING |
![]() | ![]() | B - LONG SHELF-LIFE PRODUCTS WITH PRESERVATIVES |
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Definition:
These products can be kept at room temperature for several months thanks to the presence of chemical preservatives. Most of these products are mainly fruit drinks with addition of sugar and water.
Principle:
This type of treatment is mainly used for fruit drinks with a greater degree of dilution; the pH being often greater than 5, it is necessary to decrease it to less than 4.2. The preservative is usually added before pasteurisation and processing is carried out at low temperature. The preservatives are selected on the basis of two criteria:
· The prevention of the development of bacteria, mould or yeasts in the product.
· The prevention of the effects of oxidation on the product.
Advantages:
· Simple technology and installation
· Possibility of packaging for low output production (reduced initial investment)
· Possibility to choose cost-effective packaging materials (PE bag)
· Product can be stored at room temperature
Disadvantage:
· Use of chemical additives (see annex 3)
TECHNICAL FILING-CARD N° 6
B - Cold packaging with preservative
DATA |
DESCRIPTION |
REMARK |
Description |
The pouch is pre-formed from a film, filled, sealed and dated/coded by the same machine |
The film can be transparent rendering product visible |
Composition |
LDPE* film, thickness 70 to 90 microns |
Film is presented as a reel, 18 to 20 kg, protected by a plastic envelop |
Cost price |
1.75 to 2 $./kg of film or 0.5 to 0.63 p. for 1 pouch 200 ml (3.5 gr.) |
The least expensive packaging material; this film is manufactured in some African countries |
Shelf-life |
3 to 4 weeks (poor barrier to oxygen and UV rays) |
Inventory turnover must be fast (max. 1 week from production to consumption) |
Volume |
Any volume is possible from 60 ml to 1 litre |
The most common are the small volumes up to 200 ml |
Packaging machine output |
500 pouches/hr for the smallest, then 750, 1200, 1500, 2200 etc., up to 12000 pouches/h |
All packaging machines are automatic ("form, fill & seal") |
Capital investment for packaging machines |
From £ 12.5 k for the smallest up to £250 k for the larger packaging machines. | |
Recommended or essential outer pack |
Plastic crate 10 to 20 litres or plastic bags 2 to 5 litres. | |
Positioning of the product on the market |
- The product is distributed through itinerant vendors equipped
with an insulated box; this system is the cheapest and the most adapted for the
informal distribution |
The product is first of all a refreshing drink to be sold at the best price. It is processed from fruit concentrate or flavour, strongly diluted, sweetened and sometimes coloured, then packed into very small volumes (60 to 200 ml) |
Positioning in relation to the environment |
The best packaging material (100 % incinerable without release of chlorine) |
It is advised to provide vendors with dustbins in order to collect the empty pouches after drinking |
* See glossary
N° 6: Plastic pouch from a
film
N° 6: Polyethylene Film
Pouch
TECHNICAL FILING-CARD N° 7
B - Cold packaging with preservative
DATA |
DESCRIPTION |
REMARK | ||
Description |
Square, round or rectangular-shaped bottle with grooves to strengthen mechanical resistance |
Dull crystalline colour which can be tinted (blue, green) |
||
Composition |
- Food "compound" composed of a blending of PVC* resins +
additives (stabilisers, lubricant, anti-UV, colouring) |
| ||
Cost price |
Approx. 0.93 £./kg foods compound for one bottle of: |
Summary for 1 bottle ¼ l | ||
|
- 1,5 litre (45 gr.): |
4.25 p. |
- body: |
144 |
|
- 1 litre (30 gr.): |
2.75 p. |
- cap: |
0.88 |
|
- ¼ litre (15 gr.): |
1.44 p. |
- label: |
0.25 |
|
- Cap: |
0.88 p. |
total: |
2.57 pence |
|
- Label: |
0.25 p. | |
|
Shelf-life |
3 to 6 months |
Impermeability and inviolability of the bottle determine good preservation and consumer security | ||
Volume |
1.5 litres, 1 l, ½ l, ¼ l |
Also available in 5 & 10 litres | ||
Bottle production |
Blow-moulding from 500 bottles/hr |
| ||
Packaging machine output |
From 500 l/hr |
| ||
Capital investment for the smallest machines |
- Blow-moulding of the bottle: £ 81.25 k |
- Price of 1 mould: approx. £5 k | ||
Recommended or essential outer pack |
Shrinkable film, carton, pallet | | ||
Positioning of the product on the market |
Fruit drink mainly designed for family consumption (large volume/low cost); this type of packaging is mostly used for mineral water |
More and more replaced by PET | ||
Positioning in relation to the environment |
- Manufacturing waste is reinjected into the compound |
PVC is now forbidden in most European countries |
* See glossary
N° 7: PVC
bottle
TECHNICAL FILING-CARD N° 8
B - Cold packaging with preservative
DATA |
DESCRIPTION |
REMARK | ||
Description |
Squared, round or rectangular-shaped bottle; PET* has excellent mechanical resistance and gas proof qualities; its appearance is close to glass |
Bottle production is composed in 2 stages(8): | ||
Composition |
- PET: polyethylene terephtalate | | ||
Cost price |
Pre-form cost: |
Summary bottle ¼ litre | ||
|
- 1,5 litre: |
> 11.25 p. |
- body: |
5 p. |
|
- 1 litre: |
> 8.13 p. |
- cap: |
0.88 |
|
- 1/2 litre: |
> 6.25 p. |
- label: |
0.25 |
|
- 1/4 l: |
> 5 p. |
total approx. |
6.13 pence |
|
- Cap: |
0.88 p. |
Only the larger sizes are worthwhile | |
|
- Label: |
0.25 p. | |
|
Shelf-life |
More than 6 months |
| ||
Volume |
1.5 litres, 1 l, ½ l, ¼ l, 200 ml |
| ||
Packaging machine output |
From 600 litres/hr |
| ||
Capital investment for the smallest machines |
- Bottle manufacturing plant from the pre-form 600 l/hr: £
212.5 k |
For a small production, it is advisable to buy the ready-made cap | ||
Recommended or essential outer pack |
Shrinkable film, carton, pallet | | ||
Positioning of the product on the market |
Fruit drink designed mainly for family consumption (large volume/low cost); Competition with the drink-can (small volume) |
Replaces the PVC, mainly on the mineral water market | ||
Positioning in relation to the environment |
- Possibility of recycling for the same or a secondary
utilisation |
Test-production of textile from the recycled PET fibre |
* See glossary
N° 8: PET
Bottle