Compound Analysis and Genetic Study of Selected Plectranthus scutellarioides Varieties from Indonesia

Astuti, Ayun Dwi; Perdana, Awaluddin Iwan; Natzir, Rosdiana; Massi, Maurizio; Alam, Subehan Gemini

doi:10.5530/pj.2021.13.193

Cited by 4 publications

(2 citation statements)

References 29 publications

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“…The spectrum results show the presence of several functional groups in the MLE. The O-H group is observed at the wavenumber of 3365.08 cm -1 , aliphatic C-H groups at wavenumbers 2921.53 cm -1 and 2855.72 cm -1 , aromatic C=C group at wavenumbers 1606.52 cm -1 and 1539.29 cm -1 , alkane C-H group at 1393.02 cm -1 , and C-O group at wavelengths 1252.47 cm -1 and 1040.49 cm -1 (Astuti et al, 2021). The results indicate the presence of hydroxyl (-OH) functional groups bound to the aromatic ring, suggesting the presence of organic compounds such as flavonoids, phenolics, cresol, and other organic compounds.…”

Section: Ftir Analysismentioning

confidence: 95%

Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium

Putri,

Gusniardi,

Suryati

et al. 2023

HJKK

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Due to its low carbon content, mild steel is prone to corrosion. Therefore, corrosion inhibitors are needed to decrease the corrosive rate of mild steel. This research aims to investigate the influence of adding potassium iodide to miana leaves extract (Coleus scutellaroides (L.) Benth.) (MLE) on the corrosion rate of mild steel, identify the type of adsorption, synergistic effects and characterize the surface of mild steel both before and after the addition of potassium iodide. The weight loss method is employed to test the corrosion rate, and the type of adsorption is identified through thermodynamic calculations. Surface characterization is evaluated using Fourier Transform Infrared (FTIR) and Scanning Electron Microscopy (SEM). As potassium iodide is added, the weight loss findings show an increase in inhibitory efficiency. When potassium iodide concentration was 0.4 g/L and temperature was 30°C, the maximum inhibitory efficiency was attained, which was 92.784%. Characterization analysis indicates the interaction between potassium iodide and MLE with the surface of mild steel. This research has not been explored yet and is expected to provide information on the use of potassium iodide and MLE as environmentally friendly corrosion inhibitors.

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Section: Ftir Analysismentioning

confidence: 95%

Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium

Putri,

Gusniardi,

Suryati

et al. 2023

HJKK

View full text Add to dashboard Cite

show abstract

“…There are various phytochemicals present in the extract of P. scutellarioides such as terpenoids, tannins, flavonoids, and alkaloids, and important chemical compounds such as Rosmarinic acid, Apigenin 7- O -(3″- O -acetyl)- β- d -glucuronide, and quercetin. − The extracts possess antioxidant activity due to the presence of these compounds, which mimic natural antioxidants. The leaves of this plant are widely used for application on skin as an insect repellent …”

Section: Introductionmentioning

confidence: 99%

Biosynthesis of Green-Emissive Copper Nanoclusters from Plectranthus scutellarioides Extract for the Detection of Terbufos in Carrot and Water Samples

Raval,

Mehta,

Jha

et al. 2023

ACS Food Sci. Technol.

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The development of superior sensors that can detect terbufos insecticide in the fields of agriculture and human health is of utmost importance. Herein, green emissive copper nanoclusters (Cu NCs) were fabricated using the extract of Plectranthus scutellarioides (P. scutellarioides) leaves as biological ligands. The synthesized Plectranthus scutellarioides-Cu NCs (P. scutellarioides-Cu NCs) possess green fluorescence (FL) under UV-light and depict excitation-dependent emission behavior at 450 nm showing maximum emission intensity at 510 nm. The dispersive nature and size of the P. scutellarioides-Cu NCs were calculated to be 2.1 ± 0.6 nm using high-resolution transmission electron microscopy (HR-TEM). The as-synthesized P. scutellarioides-Cu NCs are waterdispersive and show good stability. The introduction of terbufos quenched the FL intensity of P. scutellarioides-Cu NCs via a static quenching mechanism. With terbufos concentrations ranging from 0.1 to 4.0 μM, the ratio of I 0 /I of P. scutellarioides-Cu NCs showed a clear linear relationship with a corresponding low detection limit (LOD) of 0.029 μM. The as-synthesized detection methodology was successfully used to analyze terbufos in vegetable (carrot) and water samples with good recovery and relative standard deviation (RSD) values of less than 2. The real-time study was also performed using a paper-strip-based detection method.

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Synthesis of green emissive Plectranthus scutellarioides carbon dots for sustainable and label-free detection of phytohormone indole-3-acetic acid

Raval,

Mehta,

Jha

et al. 2025

Inorganic Chemistry Communications

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Compound Analysis and Genetic Study of Selected Plectranthus scutellarioides Varieties from Indonesia

Cited by 4 publications

References 29 publications

Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium

Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium

Biosynthesis of Green-Emissive Copper Nanoclusters from Plectranthus scutellarioides Extract for the Detection of Terbufos in Carrot and Water Samples

Synthesis of green emissive Plectranthus scutellarioides carbon dots for sustainable and label-free detection of phytohormone indole-3-acetic acid

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