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food safe as the aseptic process and been a challenge. The composition under pressure. Bags are sterilised

the pack together ensure that the generally is 74% paper, 24% polymeric by gamma irradiation, filling in an
product inside is free from harmful film and 6% aluminium. However, environment of steam or hot sterile

microbes and environmental technology now developed enables air and caps sterilised by Hydrogen
contaminants. The sterility created recycling and the paper component peroxide, Chlorine, Iodophor solution
enables the pack to provide longer recovered as pulp converted into a or peracetic acid chemical sterilant
shelf life without refrigeration. board and is reused for cartons. for cleaning tanks, purged with
Based on the shelf life needed the sterile nitrogen. The sterile product

laminate structure could be altered. OTHER ASPECTS is filled from the top.
The resultant advantage to the The foregoing primarily addressed
consumer is savings in energy cost the aseptic consumer packs with The packaging material used for
and being easily portable allows their USPs of relatively lower cost, aseptic pack-sterilisation should be:
use as a required product. Quality is lighter weight, reduced shelf/storage

more assured as the aseptic process space and energy benefits. The • Compatible with the product
employs lower heat with better aseptic system also enables the • Easily removable
retention of nutrients as near as to products to be filled at an ambient • Free of health hazard

the original texture, taste and colour. atmosphere and the products • Enviro compatible
The other significant feature is a packed include fruit juices, nectars, • Cost effective

low package to product ratio-more tomato paste besides milk. The

efficient enviro needs. Compared aseptic system, however, is not DEVELOPMENTS

to glass and metal or plastic basic confined to the consumer pack but Over the years the industry
aseptic material is transported also adaptable for the bulk system has witnessed considerable

and stored flat or rolls resulting in as well. Pulps and concentrates of technological advancements
considerable storage space and tropical fruit and tomato paste are encompassing materials, process
freight advantage. It is estimated also packed in 55-gallon bags and and machinery and probably
that a semi-trailer truck can stored in drums for reprocessing markets as well . These could be
transport 15 million empty packs as and exports. Bag-in-Box concept broadly stated as:
against 1.5 million glass bottles. The generally are 5L to 20 L. Aseptic
rectangular shaped packs are space- packaging system of bulk essentially • A recent development is aseptic

efficient and being lighter-weight constitutes Tinplate container with drinks filling technology – a
truck space utilisation is better. multilayer laminate with metallised multi-functional system that
polyester or aluminium foil as a provides customers with the
Being multilayer laminate, recycling substrate, placed inside. The process capacity to switch between
of the throw away used packs had is sterilising and fi lling, steam a range of produces from

Food Marketing & Technology 53 February 2020