scholarly journals Isolasi Senyawa Kumarin pada Tanaman

Syntax Idea ◽  
2021 ◽  
Vol 3 (7) ◽  
pp. 1576
Author(s):  
Dianti Pratiwi ◽  
Dila Qhoirul Nisa ◽  
Elsya Martia ◽  
Putri Wulanbirru ◽  
Syfa Dwi Andini

Indonesia is a country rich in biodiversity.  Of several plants that can be used as alternative medicine to treat disease.  The efficacy of plants as medicine in health is related to plants having chemical compounds which are the result of secondary metabolites contained in these plants.  One of the secondary metabolites in plants is coumarin.  Coumarins can be found in almost all plants from roots, stems, leaves, flowers and fruit.  The purpose of this study was to isolate and identify coumarin compounds contained in these plants.  In the process of isolating coumarin compounds that can be done by several methods including extraction, phytochemical screening, fractionation, isolation of coumarins and identification of isolates.  Plants containing coumarin compounds that were used in the isolation of coumarins that we reviewed were sundai lime peel (Citrus nobilis Lour), rambutan fruit seeds (Nephelium lappaceum L), water henna leaves (Impatiens Balsemina Linn), harp bark (Sandoricum koetjape) and Artemisia annua L.

Author(s):  
K. Fatima ◽  
S. R. Abbas ◽  
M. Zia ◽  
S. M. Sabir ◽  
R. T. Khan ◽  
...  

Abstract Nanoparticles are known bio elicitors in plant biotechnology. Different concentrations of ZnO, CuO and CoO nanoparticles were used for the enhanced accumulation of secondary metabolites and antioxidant activities in the callus derived from root, shoot and leaf of Artemisia annua L. Biomass of callus was somehow affected on high concentrations of Nps. Phenolic content was observed maximum (60µg) in shoot callus at 0.1mg/l of CuONps. Total antioxidant activity was observed maximum (33µg) in root callus at 0.1mg/l of ZnOnps. Total reducing power maximum (33µg) was observed in root callus at concentration of 0.05 mg/l of CoONps. Maximum radical scavenging activity was observed in shoot callus at 0.05mg/l of ZnONps. Rutin gallic acid and caffic acid were also determined in most of the samples by HPLC. The study concludes that different Nps have positive effect on the induction of secondary metabolites in A.annua plant.


Bionatura ◽  
2019 ◽  
Vol 4 (4) ◽  
pp. 1000-1009
Author(s):  
Irina Francesca González Mera ◽  
Daniela Estefanía González Falconí ◽  
Vivian Morera Córdova

Plants are an essential source of chemical compounds with different biological properties that man can use to his advantage. These substances are mainly produced as a result of chemical conversions of secondary metabolism. This article reviews the main classes of secondary metabolites that synthesize plants as well as their characteristics and their biological functions. Examples are provided for each of the classes. Emphasis is placed on the methods of extracting secondary metabolites and phytochemical screening, as well as on the main pharmacological activities described for the MS.


2017 ◽  
Vol 11 (1) ◽  
pp. 137-146 ◽  
Author(s):  
Liangyun Zhou ◽  
Guang Yang ◽  
Haifeng Sun ◽  
Jinfu Tang ◽  
Jian Yang ◽  
...  

2010 ◽  
Vol 31 (2) ◽  
pp. 214-218 ◽  
Author(s):  
Huahong Wang ◽  
Chenfei Ma ◽  
Zhenqiu Li ◽  
Lanqing Ma ◽  
Hong Wang ◽  
...  

2021 ◽  
Vol 912 (1) ◽  
pp. 012079
Author(s):  
R Batubara ◽  
W Pulungan ◽  
T I Hanum ◽  
O Affandi

Abstract Aquilaria beccariana van Tiegh is one of the agarwood (gaharu) species that grows naturally and cultivatived. However, the chemical and antioxidant potential of its leaves have not been studied much. This research aimed to examine the chemical compounds and the antioxidant activity of the ethanol extract of the agarwood leaves A. beccariana van Tiegh which grows naturally and cultivatived. The leaves were processed into simplicia and then extracted using 96% ethanol as solvent. Phytochemical screening agarwood leaves to determine the chemical compounds such as of alkaloids, flavonoids, glycosides, steroids/triterpenoids, saponins and tannis. The antioxidant activity test was carried out using the DPPH method to obtain the IC50 (Inhibitory Concentration) value. The compound tracing used GC-MS. The results showed that the simplicia and the extract of the leaves both natural-grown and cultivated contained secondary metabolites of alkaloids, flavonoids, steroids/triterpenoids, and tannins positively, whereas the glycosides were only found in cultivated type. The result of the antioxidant activity test showed that the ethanol extract of the leaves of A. beccariana van Tiegh both natural-grown and cultivated was categorized as very strong. The results of the identification of chemical compounds by GC-MS were identified 18 compounds in the natural-grown leaves, while 40 compounds were identified in the cultivated ones.


2019 ◽  
Vol 4 (1) ◽  
pp. 1
Author(s):  
Fitrya Fitria ◽  
Annisa A. ◽  
Nikita S. ◽  
Ranna C.

Parkia speciosa (Fabaceae),  much grow in South Sumatera. The seed of P. speciosa used as traditional medicine for  diabetes mellitus therapy. Another parts of P speciosa is suspected to have the same chemical compounds and potency as the seed. Based on phytochemical screening of leaf and rind of P speciosa have secondary metabolites as flavonoid, phenolic and terpenoid.  This research aims to know effectiveness of alpha glucosidase inhibitory effect of ethanol extract of rind, leaf and  seed of  p. speciosa and its correlation to total phenolic content of the extracts. The inhibitory activity of the alpha glucosidase enzyme was measured at l 405 nm. The result showed that there was correlation between effectiveness of inhibitory  and total phenolic content of the extract, that is the higher of  the total phenolic content will caused the greater of enzymatic inhibition of extract. The  IC50 of alpha glucosidase inhibitory effect of ethanol extract of rind, leaf and seed of P speciosa are 4,596 ppm, 54,341 ppm, dan 67,425 ppm and the total Phenolic content of the extract are 138,15 mgGAE/g, 59,25 mgGAE/g, dan 36,25 mgGAE/g respectively.


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