Boosting efficacy of preservatives - ResearchGate
Boosting efficacy of preservatives - ResearchGate
Boosting efficacy of preservatives - ResearchGate
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
PRESERVATIVES<br />
6<br />
Without preservative (growth control)<br />
Citric acid HCI<br />
6<br />
0.75% Euxyl PE 9010 (without complexing agent)<br />
Citric acid HCI<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.1% Tetrasodium EDTA<br />
Citric acid HCI<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.2% Tetrasodium EDTA<br />
Citric acid<br />
HCI<br />
euxyl ®<br />
optimum<br />
preservation<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
6<br />
0.75% Euxyl PE 9010<br />
+0.1% Tetrasodium dicarboxymethyl glutamate<br />
Citric acid HCI<br />
6<br />
0.75% Euxyl PE 9010<br />
+0.2% Tetrasodium dicarboxymethyl glutamate<br />
Citric acid HCI<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.1% Tetrasodium iminodisuccinate<br />
Citric acid HCI<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.2% Tetrasodium iminodisuccinate<br />
Citric acid HCI<br />
euxyl® is a family <strong>of</strong> multi-component<br />
preservative systems that makes formulating<br />
simpler.<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.1% Tetrasodium ethylenediamine disuccinate<br />
Citric acid HCI<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
6<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
0.75% Euxyl PE 9010<br />
+0.2% Tetrasodium ethylenediamine disuccinate<br />
Citric acid HCI<br />
We have researched optimum blends<br />
with a broad spectrum <strong>of</strong> <strong>efficacy</strong><br />
against bacteria, yeasts and moulds.<br />
With a wide variety <strong>of</strong> easy-handling<br />
liquid blends to choose from, there is<br />
an euxyl® product to meet almost any<br />
preservation need.<br />
Let us make preservation<br />
simple for you.<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
Figure 3: Test results showing the boosting effect <strong>of</strong> different chelating agents on the<br />
antimicrobial <strong>efficacy</strong> <strong>of</strong> euxyl PE 9010.<br />
Log germ count reduction<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 1 3 6 24 hrs<br />
E. coli Ps. Staph. Candida A. niger<br />
aeruginosa aureus albicans<br />
Schülke & Mayr GmbH<br />
22840 Norderstedt<br />
Tel.: (+49) 40 - 521 00 - 0<br />
www.schuelke.com<br />
sai@schuelke.com<br />
4 PERSONAL CARE September 2008
Change language