RHAYANNY ASSUNÇÃO FERREIRA, Magda; SCHWANZ, Melissa; PEREIRA COSENZA, Gustavo; TERESINHA HENRIQUES, Amelia; SOARES, Luiz Alberto Lira. Analysis of vanillin by TLC and HPLC-PDA in herbal material and tincture from Vanilla planifolia Jacks ex. Andrews. Drug Analytical Research, Porto Alegre, v. 2, n. 2, p. 1–7, 2026. DOI: 10.22456/2527-2616.87008. Disponível em: https://seer.ufrgs.br/index.php/dar/article/view/87008. Acesso em: 9 aug. 2026.