Pharmacopoeia recommendations [257] (Figure 2). Figure 2. pH stability for NR borate. To investigate the spontaneity of NR borate degradation in various pH solutions, the Gibbs free energy (ΔG) was calculated. The ΔG value obtained for NR borate was 2.43 kcal/mol [257]. When examining...
A European Pharmacopoeia Commission at the European Directorate for the Quality of Medicines (EDQM) published on 1 July 2021 in Supplement 10.6 of the European Pharmacopoeia (Ph. Eur.) the new general chapter “Contaminant pyrrolizidine alkaloids (2.8.26)” [73]. This general chapter, which descr...
Currently, TLC methods are still recommended for the detection of AF in any plant material in the USP [47]. Due to a low detection cost and less demand on equipment, TLC methods are sometimes applied for the screening of mycotoxins in raw herbal drug materials when fungal analysis and ...