Experiment: W H Knights Parsnips
To extend the storage life of parsnips using Long
Life Solutions crate liners.
Parsnips - were transferred into Long Life Solutions
bags on arrival at W H
Knights. Note: This is why the experiment refers
to enhancing storage life,
the vegetable on arrival is of indeterminate age.
Thirty boxes of parsnips were transferred into
Long Life Solutions bags and
compared periodically against a control sample
of vegetables from the same
consignment.
Week 1
Control
Long Life Bags
Average Temperature
1o C.
1o C.
Oxygen Levels
Not recorded
0.9 & 0.6 - second sample taken as first was
so low.
Firmness
Poor
Good
Colour
Light brown
Creamy White
Week 2
Control
Long Life Bags
Average Temperature
Controls suspended
1.2o C.
Oxygen Levels
due to breakdown
0.8 Samples opened to investigate low oxygen levels.Slight aroma but quickly dissipated.
Firmness
Poor
Good
Colour
Light brown
Creamy White
Week 3
Control
Long Life Bags
Average Temperature
Controls suspended
1.5o C.
Oxygen Levels
due to breakdown
2.8 Samples opened to investigate
low oxygen levels. A stronger aroma
but quickly dissipated.
Firmness
Good
Colour
White to light brown
Week 4
Control
Long Life Bags
Average Temperature
Controls suspended
2.2o C
Oxygen Levels
due to breakdown
0.9
Firmness
Good
Colour
White to light brown
Parsnips Conclusion
After 29 days, they tasted and appeared as fresh
as the day they were packed. The trial was continued
for another 25 days. After 54 days, the parsnips
were still in good condition & well within the
parameters laid down by our supermarket customers.
