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Ultrasound-microwave Assisted Extraction (UMAE) of Andrographolide from Sinta (Andrographis paniculata) with its Bioactivity Assessment
Author(s) -
Rugi Vicente C. Rubi,
Jerry G. Olay,
Patrick Calugay,
Manuelito Diaz,
Kimberly Fritz Dimayuga,
Farah Mae Gagui,
Kathleen Tare
Publication year - 2020
Publication title -
journal of environmental science and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.156
H-Index - 9
ISSN - 0119-1144
DOI - 10.47125/jesam/2020_sp1/01
Subject(s) - andrographis paniculata , andrographolide , extraction (chemistry) , sonication , yield (engineering) , ultrasound , microwave , chromatography , traditional medicine , chemistry , medicine , materials science , biochemistry , pathology , alternative medicine , physics , quantum mechanics , metallurgy , radiology
Andrographolide (AG) is known to possess some pharmacological properties such as anti-inflammatory, antioxidant, anti-dengue, anti-tumor and anti-tuberculosis. Green extraction techniques such as ultrasound and microwave have shown the effectiveness in extracting high purity AG from Andrographis paniculata or Sinta. Ultrasound-assisted extraction (UAE), which operates at non-thermal conditions, prevents the thermal degradation of AG while microwave-assisted extraction (MAE) allows an increased extraction yield. This study aimed to determine the effect of sequential ultrasound- microwave-assisted extraction (UMAE) in the yield of AG and its bioactivity assessment. The UAE obtained its highest AG yield of 539.24 mg L-1 at 10 minutes sonication time and MAE with 781.65 mg L-1 at 5 minutes irradiation time with 420 W microwave power. The UMAE obtained the highest AG yield of 1,066.49 mg L-1 when sequentially exposed to 10 minutes sonication and 10 min irradiation with a microwave power of 280 W. Cytotoxic activity testing of Sinta extract containing AG from UMAE confirmed a lethal concentration (LC50) with value at 76.02 mg L-1. Furthermore, it has an intermediate susceptibility to Escherichia coli but resistant to both Bacillus clausii and Klebsiella spp., highlighting the potential of its valuable medicinal applications.

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