<![CDATA[Standardization of simplicia is one of the important stages in ensuring the quality of herbal simplia. This study aims to conduct specific and non-specific standardization of simplicia of Dutch teak leaves (Guazuma ulmifolia) and kelembak root (Rheum officinale) based on the parameters of the Indonesian Herbal Pharmacopoeia (FHI) 2017. The parameters tested included moisture content, total ash content, insoluble ash content, drying shrinkage rate, ethanol soluble juice content, and water soluble juice content. The results showed that the simplicia of Dutch teak leaves had a moisture content of 7.90 ± 0.27%, a total ash content of 8.53 ± 0.19%, an acidic insoluble ash content of 1.95 ± 0.52%, drying shrinkage of 4.36 ± 0.28%, the content of ethanol soluble juice 26.20 ± 0.79%, and water-soluble juice 16.29 ± 0.44%. Meanwhile, the root of the pond showed a moisture content of 3.93 ± 0.25%, a total ash content of 5.76 ± 0.90%, an acidic insoluble ash content of 0%, drying shrinkage of 3.23 ± 0.09%, the content of ethanol soluble juice 88.6 ± 1.03%, and water-soluble juice 3.11 ± 0.51%. All non-specific parameters meet the requirements of FHI. The high value of ethanol-soluble juice in the root of the lembak indicates the richness of semipolar compounds, while Dutch teak leaves excel in the content of polar compounds. These results suggest that both simplicia are suitable for use as raw materials for phytopharmaceuticals, either singly or in combination, particularly in the development of herbal products for metabolic disorders]]>
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