Development of antibacterial textiles by cyclodextrin inclusion complexes of volatile thyme active agents was written by Tuerkoglu, Gizem Ceylan;Sariisik, Ayse Merih;Erkan, Gokhan;Erden, Emre;Pazarlioglu, Nurdan. And the article was included in Flavour and Fragrance Journal in 2022.Formula: C10H14O This article mentions the following:
The study aims to develop wash-resistant antibacterial cotton fabrics without using synthetic chems. Therefore, natural active agents of thyme, thymol and carvacrol were selected. The inclusion complexes were formed with β-cyclodextrin using kneading method which is a simple and reproducible method for the encapsulation with high production yield. Differential scanning calorimeter anal. showed that 1:1 and 1:2 β-CD: Guest Mol. (M:M) for thymol and carvacrol from different ratios studied has the highest complexation degree as 50% and 100%, resp. It is also revealed that the volatile agents are retained and showed better thermal stability as a result of complexation. Carvacrol inclusion complexes were found relatively more stable (Ζ potential: -28.2 mV) than thymol complexes with smaller particle sizes (204.9 nm). Chem. structures of the inclusion complexes were revealed with Fourier transform-IR spectroscopy and NMR analyses. The optimum formulations for each active agent were applied to cotton fabrics as per the impregnation method and the capsule treated fabrics were washed 1, 10 and 20 times. The images exhibited the presence of inclusion complexes on the fabrics after 20 washing cycles. Although the antibacterial efficacy of fabrics decreased with increasing washing, the fabrics showed the antibacterial effect after 20 washes against Klebsiella pneumoniae and Staphylococcus aureus. This study showed that the developed products can be an alternative to the other products in the market as the long-lasting fragrant natural antibacterial. In the experiment, the researchers used many compounds, for example, 5-Isopropyl-2-methylphenol (cas: 499-75-2Formula: C10H14O).
5-Isopropyl-2-methylphenol (cas: 499-75-2) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Formula: C10H14O
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts