In vitro antibacterial activity and essential oil composition of Litsea petiolata Hook. f. leaves

doi:10.7324/japs.2017.70913

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…f belongs to Family Lauraceae, this plant commonly found in Hutan Simpan Rimba Teloi, Sik, Kedah, Malaysia [1]. L. petiolata is native to southern Thailand wahich is also called "Thummong" and commonly used to give flavor to food dishes, because containing 7 aldehydes, 5 ketones, and 3 esters [2]. Some natural compounds that have been successfully isolated on the stem of this plant such as arbine, norharman reticuline, isboldine, and thalifoline [1].…”

Section: Introductionmentioning

confidence: 99%

In-vitro α-Glucosidase Inhibitory Activity of Litsea petiolata Hk. f

Ambarwati¹,

Elya²,

Mahayasih³

et al. 2021

Proceedings of the 1st International Conference on Health Science, ICHS 2020, 26-27 October 2020, Jakarta, Indonesia

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Alpha-glucosidase is an enzyme that plays a role in the process of hydrolysis of carbohydrates into glucose so that the enzyme inhibitor can inhibit the process of glucose absorption. One synthetic drug that has a mechanism of action to inhibit the activity of the alpha-glucosidase enzyme is acarbose, however in the long term has side effects, such as digestive system disorders. Therefore, the use of natural medicines as alternative therapies can be considered for use. This study aimed to determine the inhibitory activity of the enzyme alpha-glucosidase from extracts and fractions of Litsea petiolata Hk. f bark. The extraction method used maceration, and fractionation using column chromatography. The results showed that the IC50 values for extract, fraction B, fraction D, and acarbose were 444.17 µg/ml, 682.85 µg/ml, 1683.45 µg/ml, and 110.60 µg/ml, respectively. In conclusion, the activity extract as the alpha-glucosidase was higher than the fractions but lower than acarbose.

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Section: Introductionmentioning

confidence: 99%

In-vitro α-Glucosidase Inhibitory Activity of Litsea petiolata Hk. f

Ambarwati¹,

Elya²,

Mahayasih³

et al. 2021

Proceedings of the 1st International Conference on Health Science, ICHS 2020, 26-27 October 2020, Jakarta, Indonesia

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“…C.B. Rob, presented antibacterial activity against S. aureus 3– 5 . In addition essential oil of Litsea cubeba can also act as antibacterial against S. mutans 6 .…”

Section: Introductionmentioning

confidence: 99%

Phytochemical, antioxidant and antimicrobial properties of Litsea angulata extracts

Kuspradini

Wulandari²,

Putri

et al. 2019

F1000Res

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Background: Litsea angulata is a plant species belonging to Lauraceae family that is distributed throughout Indonesia, Malaysia, and New Guinea. The seeds have been traditionally used by local people in Kalimantan, Indonesia for the treatment of boils; however, there is no information about the potency of its branch, bark and leaves yet. This study aimed to determine the antioxidant, antimicrobial activity as well as the phytochemical constituent of Litsea angulata branch, bark, and leaves. Methods: Extraction was performed by successive maceration method using n-hexane, ethyl acetate, and ethanol solvent. Antioxidant activity was evaluated by DPPH radical scavenging assay. The antimicrobial activity using the 96 well-plate microdilution broth method against Staphylococcus aureus and Streptococcus mutans. Results: Based on the phytochemical analysis, it showed that extract of L. angulata contains alkaloids, flavonoids, tannins, terpenoids, and coumarin. The results showed that all extracts of plant samples displayed the ability to inhibit DPPH free radical formation and all tested microorganisms. Conclusions: L. angulata contains secondary metabolites such as alkaloids, flavonoids, tannins, terpenoids, carotenoids, and coumarin. The antioxidant activity on different plant extracts was a range as very strong to weak capacity. All extracts in this study could inhibit the growth of S. aureus and S. mutans.

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In vitro antibacterial activity and essential oil composition of Litsea petiolata Hook. f. leaves

Cited by 2 publications

References 11 publications

In-vitro α-Glucosidase Inhibitory Activity of Litsea petiolata Hk. f

In-vitro α-Glucosidase Inhibitory Activity of Litsea petiolata Hk. f

Phytochemical, antioxidant and antimicrobial properties of Litsea angulata extracts

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