Journal
POLYMERS
Volume 13, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/polym13223958
Keywords
Aloe vera; hydrogel; support matrix; skin regeneration; wound healing
Categories
Funding
- National Council for Science and Technology of Mex-ico (CONACYT) [616668]
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The study demonstrates that Aloe vera hydrogel can enhance wound healing speed, reduce the total healing time, and achieve complete wound closure in 15 days. The results confirm the good interaction of the hydrogel with proteins and growth factors, as well as the microstructure and micro-roughness that promote good adhesion to the wound.
Wound healing is fundamental to restore the tissue integrity. A topical study of the influence of Aloe vera hydrogel, formulated with 1,2-propanediol (propanediol) and triethanolamine (TEA), on the skin wound-healing process was investigated in female Wistar rats. FTIR spectroscopy confirms the presence of carboxylic acid and methyl ester carboxylate groups related with important compounds that confer the hydrogel a good interaction with proteins and growth factors. SEM images show a microstructure and micro-roughness that promote a good adhesion to the wound. Therefore, the swelling kinetics and the contact angle response contribute to the understanding of the in vivo results of the animal test. The results indicated that the Aloe vera hydrogel, prepared with propanediol and TEA, together with its superficial characteristics, improve its rapid penetration without drying out the treated tissue. This produced a positive influence on inflammation, angiogenesis, and wound contraction, reducing 29% the total healing time, reaching the total closure of the wound in 15 days.
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