@article {2217, title = {Pharmacognostic Profile and Antidiabetic Activity of Eleutherine bulbosa Mills. Bulbs from East Kalimantan, Indonesia}, journal = {Pharmacognosy Journal}, volume = {16}, year = {2024}, month = {February 2024}, pages = {118-125}, type = {Research Article}, chapter = {118}, abstract = {

Background: Eleutherine bulbosa (Mill.) Urb., known as Bawang Dayak, is commonly found growing in Kalimantan, Indonesia. The characteristics of the environment in which the plant grows greatly influence the characteristics of the plant and its biological activity. Objective: This study aimed to determine the pharmacognostic profile and evaluate the antidiabetic activity of E. bulbosa bulb extract obtained from Kota Bangun, Kutai Kertanegara, Indonesia. Methods: The dried powdered of E. bulbosa bulbs was extracted using two different methods (maceration and microwave-assisted extraction). The evaluation of the sample fluorescence and non-specific parameters was done. The antidiabetic activity of the extracts was conducted using streptozocin-induced mice and histopathology analysis. Results: The fluorescence evaluation indicated various secondary metabolites contained in E. bulbosa simplicia. Non-specific parameters include drying loss (8.83{\textpm}0.2611\%), water content in simplicia (8.04{\textpm}0.7481\%), specific gravity (1.04{\textpm}0.0058\%), total ash content (20.3{\textpm}0.1583\%), acid insoluble ash content (1.70{\textpm}0.0608\%), ethanol content in extract (0.99{\textpm}0.0017\%), lead content (0.010 mg/g), cadmium (0.091 mg/g), Arsenic (0.0003 mg/g), aflatoxin (not detected), and mold/yeast (0.8 {\texttimes} 105 colonies/g) meet the established regulations. Meanwhile, the antidiabetic assay showed that both extracts decreased the blood glucose levels in mice during the 14 days of treatments in a dose-dependent manner. This activity is correlated with the increased repair of pancreatic beta cells as observed by histopathological analysis. Conclusion: The dried bulbs of E. bulbosa obtained from Kota Bangun, Kutai Kertanegara, East Kalimantan, Indonesia meet the standards set as raw materials for antidiabetic herbal medicines.

}, keywords = {Antidiabetic activity, Bawang Dayak, contaminant levels evaluation, Eleutherine bulbosa (Mill.) Urb, pharmacognostic profile}, doi = {10.5530/pj.2024.16.16}, author = {Herman Herman and Arsyik Ibrahim and Junaidin Junaidin and M. Arifuddin and Baso Didik Hikmawan and Siska Siska and Tahyatul Bariroh and Reza Yuridian Purwoko and Lizma Febrina and Muhammad Faisal and Iswahyudi Iswahyudi and Marissa Angelina and Erwin Samsul and Laode Rijai and Islamudin Ahmad} } @article {1733, title = {Green and Optimum Extraction of Total Polyphenols Content from Mitragyna speciosa Korth. Havil Leaves using Microwave- Assisted Natural Deep Eutectic Solvent Extraction}, journal = {Pharmacognosy Journal}, volume = {14}, year = {2022}, month = {February 2022}, pages = {29-38}, type = {Original Article}, chapter = {29}, abstract = {

The current study mainly aims to apply and optimize the microwave-assisted natural deep eutectic solvent extraction (MANDESE) method of total polyphenol content from Mitragyna speciosa (Korth.) Havil leaves using response surface methodology (RSM) and its extraction mechanism using scanning electron microscopy (SEM) imaging. The extraction process was performed using the maceration and MANDESE method. Total polyphenols content was examined using Folin-Ciocalteu reagent and spectrophotometer UV-Vis. The extraction mechanism was performed using SEM imaging. The extraction condition as experimental design variable factors for optimization using RSM included NADES composition ratio, the liquid-solid ratio, extraction time, and microwave power. The results show that the MANDESE with some different combinations of NADES composition is more effective than a maceration. SEM imaging result shows that the levels of damage of cells and cell walls were more severe after extraction. The optimum extraction condition has obtained the NADES composition ratio of 3 g/g (choline chloride/sorbitol) and the liquid-solid ratio of 20 mL/g for 20 min extraction time with 60\% Watts microwave power. The scale-up confirmation test was obtained the total polyphenols content of 526.12 μg GAE/g sample. This finding demonstrated the optimum condition of the MANDESE method and performed efficiently, rapidly, safely, and environmentally friendly.

Key words: Microwave-assisted natural deep eutectic solvent extraction, Mitragyna speciosa (Kort.) Havil, Response surface methodology, Total polyphenols content.

}, doi = {10.5530/pj.2022.14.5}, author = {Wisnu Cahyo Prabowo and Risna Agustina and Yuspian Nur and Ramila Hidayati and Dewi Rahmawati and M. Arifuddin and Neneng Siti Silfi Ambarwati and Reza Yuridian Purwoko and Abdul Mun{\textquoteright}im and Islamudin Ahmad} }