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ABSTRACT

ABSTRACT. SIMPLICIA STANDARDIZATION OF CASSIA SIAMEA. LAMK’S LEAVES. The leaves of Cassia siamea Lamk leaves or commonly named by daun johar had been used as plant medicine, especially as traditional drug . In the future, the

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ABSTRACT

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  1. ABSTRACT SIMPLICIA STANDARDIZATION OF CASSIA SIAMEA LAMK’S LEAVES The leaves of Cassia siamea Lamk leaves or commonly named by daun johar had been used as plant medicine, especially as traditional drug . In the future, the leaves are expected as raw materials of phytopharmaceutical products. In order to ensure that the final product of Cassia siamea Lamk leaves have a constant parameter value, the standardization process needs to be carried out. The aim of this study is to assay the spesific and non spesific parameters of Cassia siamea Lamk’s Leaves as a part of standardization. The result show that the water soluble extractive was 19,95 ± 0,29 %, ethanol soluble extractive was 13,59 ± 0,49 %, volatile oil content was 0,032 %, tannin content was 2,93 %, total flavonoid content is 2,04 %,total ash content was 5,19 ± 0,09 %, water-soluble ash was 1,22 ± 0,04 %, acid-insoluble ash content was 0,61 ± 0,14 %, water content was 4,78 ± 0,38 % and loss on drying was 7,54 ± 0,03 %. Macroscopic and microscopic examination had also been done. The Cassia siamea Lamk has leaflets with 4 -12 pairs, opposite type, oval-oblong, mostly emarginated, rather thick, glabrous and feebly spinous above, finely pubescent beneath. Under the microscopic examination, there are some specific features like : cuticle on upper epidermal layer and papillae on the lower layer, unicellular non- glandular hairs (trichomes) with dentates margin, prism-shaped calcium oxalate crystals and anomocytic-type stomata. Keyword : Standardization, Cassia siamea Lamk’s Leaves, spesific and non spesific parameters

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