Postprandial hyperglycemia is a prime characteristic of diabetes mellitus and has been a focus in the therapy for diabetes. One of the therapeutic approaches which involve decreasing hyperglycemia aims at inhibiting the enzyme α-amylase. The leaves of T. populnea were studied for the presence of amylase inhibitors. The fractions obtained by successive fractionation using solvents of varying polarity were studied for the presence of primary and secondary metabolites. The total phenolic content of the different fractions was determined by HPLC and was correlated with their amylase inhibitory potential. Similarly, the protein content of the extracts was also estimated to understand the nature of the inhibitor present. This study shows that the leaves of T. populnea were effective in inhibiting α-amylase, thereby proving to be potential hyperglycemic agents.
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http://dx.doi.org/10.5402/2012/515634 | DOI Listing |
Sci Rep
December 2024
Department of Scientific Research, The British Museum, Great Russell Street, London, WC1B 3DG, UK.
Various natural dye sources have been historically used and are still used today to decorate Pacific barkcloth. The identification of these natural dyes is a challenging task due to their molecular complexity and the scarcity of scientific investigations. In this study, barkcloth samples collected in Tahiti and dyed using local plants, including fruits of Thespesia populnea (L.
View Article and Find Full Text PDFInt J Biol Macromol
March 2024
Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok 10800, Thailand. Electronic address:
Plasticizers are active ingredients added to the polymer to increase its workability. Since synthetic plasticizer is not ecofriendly and toxic in nature, it is a real cause for concern. On this basis, our study focuses on plasticizer extraction from plant-based resources.
View Article and Find Full Text PDFJ Food Biochem
February 2019
Division of Biotechnology & Phycology, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Bhavnagar, India.
The present study evaluated the phytochemical constituents, nutritional attributes, and the antioxidant capacity of the medicinal halophyte Thespesia populnea. The metabolite profiling by GC-QTOF-MS analysis identified 37 metabolites among which sucrose, malic acid, and turanose were the most abundant. A total of 18 polyphenols and 17 amino acids were identified by the HPLC-DAD analysis.
View Article and Find Full Text PDFJ Mycol Med
March 2018
Division of Ethnopharmacology, Entomology Research Institute, Loyola College, Chennai 600034, Tamil Nadu, India. Electronic address:
Objective: Dermatophytes are resistant to some available antibiotics. Development of new plant drugs to control drug resistant microbes is urgently needed. This study evaluates the antidermatophytic potential of 18 selected medicinal plants used by traditional healers in Theni and Virudhunagar Districts of Tamil Nadu, India.
View Article and Find Full Text PDFInt J Biol Macromol
May 2018
The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5040, New Zealand. Electronic address:
A water-soluble mucilage extracted from the leaves of Hoheria populnea was chemically and physically studied. Monosaccharide composition and linkages were determined by high performance anion exchange chromatography (HPAEC), gas chromatography-mass spectrometry (GC-MS) and nuclear magnetic resonance (NMR) spectroscopy. Lacebark mucilage was composed of rhamnose, galactose, galacturonic acid and glucuronic acid (2:1:2:1).
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