Drying Curves and Colour Changes of Cassia Alata Leaves at Different Temperatures

Shaari, Abdul Razak; Jolkili, M.; Leng, Lee Yit

doi:10.1051/matecconf/20167801020

Cited by 5 publications

(1 citation statement)

References 13 publications

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“…The preparation of plant samples was followed the method from previous literature works with minor modifications. 15,16 The leaves were detached from the root-like filaments and washed thoroughly with running water. The leaves were dried using an oven (Labec, Australia) for 48 hours at 40ºC.…”

Section: Sample Collection and Extractionmentioning

confidence: 99%

Evaluation of <i>Salvinia molesta</i> D.S.Mitch (Salviniaceae) for Antioxidant and Antibacterial Properties

2023

TJNPR

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Salvinia molesta D.S. Mitch is a worldwide aquatic invader, named after Antonio Maria Salvini (1633 -1729), belonging to the family Salviniaceae (Table 1). 4,5 One genus, Salvinia, which contains about 12 species that are all indigenous to South America, makes up the Salviniaceae family. 6,7 The name of the species, molesta, was derived from the Latin word molestus, emphasizes its weediness as it invades both natural and artificial impoundments all over the world. [8][9][10] Fan & Marston 11 suggested, instead of focusing on rare or extinct species, research on the phytochemicals of common invasive species will utilize biomass as a source of potentially essential phytochemical compounds. Research related to the isolation of secondary metabolites of S. molesta has been carried out using HP-LC and GC-MS analysis. The HP-LC analysis of butanol extract showed the presence of 6'-O-(3,4-dihydroxyl benzoyl)-β-D-glucopyranosyl ester, 4-O-β-Dglucopyranoside-3-hydroxy methyl benzoate, paeoniflorin, and pikuroside, while methyl benzoate, hypogallic acid, and caffeic acid were found in the ethyl acetate extract. 12 On the other hand, GC-MS analysis of ethanol extract showed the presence of apiol, methyl palmita, hexadecatrienoic acid, methyl ester, and methyl isostearate. 13 Most of these compounds were mentioned to have antioxidant and antimicrobial activity. In Malaysia, research and documentation on the phytochemicals and medicinal values of S. molesta remain sparse and insufficient. So far, there has been no study on the antioxidant and antibacterial activity of aqueous and ethanol extracts of the S. molesta have been carried out together. In this study, S. molesta extracts, aqueous and ethanol, were examined to quantify the presence of phytochemicals and analyse the medicinal properties, particularly the antioxidant and antibacterial

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Section: Sample Collection and Extractionmentioning

confidence: 99%