title: [The examination of humic acids in therapeutic and cosmetic products manufactured of peat base].
abstract: The aim of this study was the examination of humic acids in therapeutic and cosmetic products manufactured of peat base. The raw peat, peat extracts, products (paste and therapeutic mud cubes) and peat preparations as: ointment, emulsion, gels were examined. The absorption spectra in a range UV-VIS were made for humid acids extracted from above mentioned samples and spectra of these acids fractions. Examined were: hymatomelanic acids, fluvonic acids and humic acids extracted from product made of peat and peat ointment. The differential 4th degree spectra contain correctly separated and symmetrical peaks of electromagnetic radiation wavelength characteristic for standard acid fractions. On a base of obtained differential spectra of humic acids their quantitative participation in examined materials was estimated.
authors: Zakład Tworzyw Uzdrowiskowych, Narodowy Instytut Zdrowia Publicznego-Państwowy Zakład Higieny, Poznań. mdrobnik@pzh.gov.pl
authors: Michał
authors: M
authors: Drobnik
authors: Teresa
authors: T
authors: Latour
mesh_terms: D000042:Absorption; D003358:Cosmetics / Q000032:analysis*; D006801:Humans; D006812:Humic Substances / Q000032:analysis*; D009094:Mud Therapy; D011044:Poland; D013050:Spectrometry, Fluorescence / Q000379:methods; D013056:Spectrophotometry, Ultraviolet / Q000379:methods
chemical_list: D003358:Cosmetics; D006812:Humic Substances