To evaluate the effectiveness of the supplied cleaners with odor elimination.
Date Run:
11/17/2016
Experiment Procedure:
Six clean 250 ml glass bottles were filled with 6 ml of whole milk. The bottles were capped and stored at room temperature and allowed to ferment for three days. After the three days a panel of three smelled each of the six bottles for an initial odor evaluation. The two supplied cleaning products were diluted to 50% concentration. Three bottles were treated for each supplied cleaner for three treatment cycles, with each treatment cycle consisting of two sprays of the respective cleaner directly into the bottle. Following each treatment cycle the bottles are swirled and agitated so the cleaner can mix with the cleaner. After each treatment cycle the panelists rated the malodor of the milk in the bottles.
The six milk bottles were treated for a total of three treatment cycles, six sprays overall of each cleaner. The panelists rated the malodor of the milk after each treatment cycle, with a value of 1 defined as the best and a value of 5 on the other end of the spectrum defined as the worst. Subsequently, the six milk bottles were allowed to ferment at room temperature overnight. The same panelists rated the malodor of the milk the following day. The six bottles were then subjected to a final treatment cycle of two sprays of their respective supplied cleaners. The panelists smelled the bottles once again for a final rating. A value of 2 or below is considered effective after the three treatment cycles.
Trial Results:
Cleaner
Post Clean
Original
Average
Bottle 1
5.0
4.0
4.5
4.5
Bottle 2
4.0
3.5
4.5
4.0
Bottle 3
4.0
3.5
4.0
3.8
% Average: 4.1
Cleaner
Post Clean
Sprays: 2
Average
Bottle 1
4.0
3.5
3.5
3.7
Bottle 2
2.0
2.0
1.5
1.8
Bottle 3
3.0
2.5
2.5
2.7
% Average: 2.7
Cleaner
Post Clean
Sprays: 4
Average
Bottle 1
3.0
3.0
3.0
3.0
Bottle 2
2.0
1.8
1.5
1.8
Bottle 3
2.5
2.5
1.5
2.2
% Average: 2.3
Cleaner
Post Clean
Sprays: 6
Average
Bottle 1
2.0
2.0
2.5
2.2
Bottle 2
2.0
1.0
1.0
1.3
Bottle 3
2.0
2.0
2.5
2.2
% Average: 1.9
Cleaner
Biological Liquid Odor Control Cleaner
Original
Average
Bottle 1
4.0
3.5
4.5
4.0
Bottle 2
3.0
4.5
4.0
3.8
Bottle 3
3.0
4.0
3.0
3.3
% Average: 3.7
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 2
Average
Bottle 1
3.5
3.5
4.0
3.7
Bottle 2
3.0
4.5
4.0
3.8
Bottle 3
2.5
4.0
3.0
3.2
% Average: 3.6
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 4
Average
Bottle 1
3.0
3.0
3.5
3.2
Bottle 2
2.0
3.0
3.0
2.7
Bottle 3
2.5
3.0
2.5
2.7
% Average: 2.8
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 6
Average
Bottle 1
2.0
2.5
2.5
2.3
Bottle 2
1.5
2.0
2.0
1.8
Bottle 3
2.0
3.0
2.0
2.3
% Average: 2.2
Cleaner
Post Clean
Original
Average
Bottle 1
5.0
4.0
4.5
4.5
Bottle 2
4.0
3.5
4.5
4.0
Bottle 3
4.0
3.5
4.0
3.8
% Average: 4.1
Cleaner
Post Clean
Sprays: 2
Average
Bottle 1
4.0
3.5
3.5
3.7
Bottle 2
2.0
2.0
1.5
1.8
Bottle 3
3.0
2.5
2.5
2.7
% Average: 2.7
Cleaner
Post Clean
Sprays: 4
Average
Bottle 1
3.0
3.0
3.0
3.0
Bottle 2
2.0
1.8
1.5
1.8
Bottle 3
2.5
2.5
1.5
2.2
% Average: 2.3
Cleaner
Post Clean
Sprays: 6
Average
Bottle 1
2.0
2.0
2.5
2.2
Bottle 2
2.0
1.0
1.0
1.3
Bottle 3
2.0
2.0
2.5
2.2
% Average: 1.9
Cleaner
Biological Liquid Odor Control Cleaner
Original
Average
Bottle 1
4.0
3.5
4.5
4.0
Bottle 2
3.0
4.5
4.0
3.8
Bottle 3
3.0
4.0
3.0
3.3
% Average: 3.7
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 2
Average
Bottle 1
3.5
3.5
4.0
3.7
Bottle 2
3.0
4.5
4.0
3.8
Bottle 3
2.5
4.0
3.0
3.2
% Average: 3.6
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 4
Average
Bottle 1
3.0
3.0
3.5
3.2
Bottle 2
2.0
3.0
3.0
2.7
Bottle 3
2.5
3.0
2.5
2.7
% Average: 2.8
Cleaner
Biological Liquid Odor Control Cleaner
Sprays: 6
Average
Bottle 1
2.0
2.5
2.5
2.3
Bottle 2
1.5
2.0
2.0
1.8
Bottle 3
2.0
3.0
2.0
2.3
% Average: 2.2
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
A cleaning agent is considered partially effective if the malodor level is mitigated at least somewhat from its initial malodor rating after the sprays. A ranking value of 1 is considered close to no smell of malodor, while a maximum rating of 5 is considered the worst malodor level. Both cleaners only marginally reduced their initial malodor smell. After the overnight sit, both of the milk bottle sets exhibited a worse malodor rating after spraying than before.
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