Hot climate storage Tropical and desert regions present severe peptide storage challenges
Viscosity Many nasal spray formulations incorporate thickening agents (hydroxypropyl methylcellulose, microcrystalline cellulose, carboxymethylcellulose, Avicel) to increase residence time in the nasal cavity
Manish Sahni
Appendix Appendix Rights and permissions Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made
Raw spinach contains high levels of this antioxidant and is also packed with Vitamin C, E, and beta-carotene, which work synergistically with glutathione to neutralise harmful free radicals
Lee D, Jeong HS, Hwang SY, Lee YG, Kang YJ