Storage Conditions Influence the Quality of Ginger – A Stability Study Inspired by Clinical Trials

Abstract

Ginger has traditionally been used to treat and prevent nausea and vomiting; however, the results of clinical trials are ambiguous. The efficacy of ginger is attributed to gingerols and their metabolites, shogaols. Since these compounds have different pharmacological profiles, the clinical efficacy of ginger products is largely dependent on their chemical composition. The goal of our study was to examine the stability of ginger, determining the 6-gingerol contents in order to assess the effects of different storage conditions. We have performed a 6-month stability test with dry ginger rhizome samples stored in a constant climate chamber in three different storage containers (uncovered glass container, glass container sealed with rubber stopper, and plastic container). The 6-gingerol contents were measured by HPLC method. The concentration of 6-gingerol decreased in all samples. In the sealed glass container, the decrease in 6-gingerol content was significantly lower than in the unsealed glass container and in the plastic container. These results demonstrate that storage conditions have a significant impact on the quality of ginger, which may also affect efficacy.

Keywords

Ginger - Zingiber officinale - gingerol - HPLC - stability - Zingiberaceae

Publikationsverlauf

Eingereicht: 18. Januar 2024

Angenommen nach Revision: 07. März 2024

Accepted Manuscript online:
08. März 2024

Artikel online veröffentlicht:
10. April 2024

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