1. ULTRACHEM CORPORATION.
MA Fresh Bags
Reporter:

2. Decayed fruits and vegetables
Grape deterioration
Leafy vegetable water accumulation
Fresh cut lettuce browning problem

3. Ultrachem MA Fresh Bags
MA fresh bags prolong produce freshness by modify gases and controlling humidity inside the bag.
MA fresh bag
not MA fresh bag
0 ℃ 60 days and without Sulfide Dioxide treatment

4. Ultrachem MA/MH Fresh Bags
Fresh cut: Lettuce
at 4 ℃
14 days with MA fresh bag
6 days brown appeared packed with PET bag
Reduce deterioration.

5. Ultrachem MA Fresh Bags
MH function prevent from water accumulated
Conventional bag water accumulated at the corner

6. Ultrachem MA/MH Fresh Bags
Prevent from irritated odor
Irritated odor with
conventional bags
Off odor with Ultrachem
MA fresh bag

7. Features of Ultrachem MA/MH Fresh Bags
Meets FDA 21 CFR regulation.
Controlled airs and relative humidity inside the
bag.
3. Contain zero toxins, odors, or harmful substances.
Preserves nutrition.
Slow microbial growth.
Excellent anti-fog function.
Prevent from irritated odor.

8. Benefits of Ultrachem MA/MH Fresh Bags
Prolong produces freshness and shelf life.
Produce loss reduction.
Save deliver cost by sea freight
to instead of air cargo.

9. Benefits of Ultrachem MA/MH Fresh Bags
Friendly to use with heat seal or
coated steel wire.
Can be recycled environmental products.

10. Factors affecting freshness
Storage temperature.
Pre-cooling.
Damage gases: ethylene, ammonia.
Relative humidity.
Maturity.
Disinfection.
Browning.
Package.
Physical damage.
Cold chain.

11. Temperature vs respiration
High temperature accelerate: deterioration rate, water loss, disease growth, appearance disorders, unwanted growth of plant parts .

12. Chilled injury Too low storage temperature may cause freezer
burn & too high temperature will shorten the
storage time.
Freezer burn
Normal State
Storage produce at optimum temperature to
free from freezer burn.

13. The optimum storage temperature for fruits and vegetables
Please contact us or visit Ultrachem website.
for further information.

14. Applications Banana Bamboo shoots Prolong freshness over 40 days.
Bamboo shoot was kept freshness 25 days

15. Recommendation Keep cold chain from harvest to consumers.
Good air circulation
in storage room.
Avoid unnecessary
opening of bag.

16. Recommendation
Expel inside air as much as possible or with a suction before sealing.
Ultrachem MA Fresh Bag can’t replace temperature control and improve produce quality.

17. Information to Ultrachem
The kind of fruit or vegetable for package.
How many days needed to keep freshness.
Currently treatment process and package material.

18. Q & A THANK YOU VERY MUCH ULTRACHEM CORPORATION TEL:886-2-8965-8898
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