Phytochemicals from Mangifera pajang Kosterm and their biological activities

BMC Complementary and Alternative Medicine

Gwendoline C L Ee³  Nurolaini Kifli²  Mohd Fadzelly Abu Bakar¹  Ahmad Bustamam Abdul⁴  Intan Safinar Ismail³  Nurussaadah Ismail³  Mohd Aspollah Sukari³  Sadikah Ahmad³ 

[1] Faculty of Science, Technology and Human Development, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia;PAP Rashidah Sa’adatul Bolkiah Institute of Health Science, Universiti Brunei Darussalam, Jalan Tungku Link Gadong BE1410, Brunei Darussalam;Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia

关键词: Antimicrobial;    DPPH;    Cytotoxicity;    Phytochemicals;    Bambangan;    Mangifera pajang;   

Others  :  1178849
DOI  :  10.1186/s12906-015-0594-7

 received in 2014-07-17, accepted in 2015-02-28,  发布年份 2015

【 摘 要 】

Background

Mangifera pajang Kosterm is a plant species from the mango family (Anacardiaceae). The fruits are edible and have been reported to have high antioxidant content. However, the detailed phytochemical studies of the plant have not been reported previously. This study investigates the phytochemicals and biological activities of different parts of Mangifera pajang.

Methods

The plant samples were extracted with solvents of different polarity to obtain the crude extracts. The isolated compounds were characterized using spectroscopic methods. The extracts and isolated compounds were subjected to cytotoxicity tests using human breast cancer (MCF-7), human cervical cancer (HeLa) and human colon cancer (HT-29) cells. The free radical scavenging activity test was conducted using the DPPH assay. Antimicrobial activity tests were carried out by using the disc diffusion method.

Results

Phytochemical investigation on the kernel, stem bark and leaves of Mangifera pajang led to the isolation of methyl gallate (1), mixture of benzaldehyde (2) and benzyl alcohol (3), mangiferonic acid (4), 3β-hydroxy-cycloart-24-ene-26-oic acid (5), 3β,23-dihydroxy-cycloart-24-ene-26-oic acid (6), lupeol(7) lupenone(8), β-sitosterol(9), stigmasterol(10), trans-sobrerol(11) and quercitrin (12). Crude ethyl acetate and methanol extracts from the kernel indicated strong cytotoxic activity towards MCF-7 and HeLa cells with IC₅₀ values of less than 10 μg/mL, while petroleum ether, chloroform and ethyl acetate extracts of the stem bark showed strong to moderate activity against MCF-7, HeLa and HT-29 cancer cell lines with IC₅₀ values ranging from 5 to 30 μg/mL. As for the antimicrobial assays, only the ethyl acetate and methanol extracts from the kernel displayed some inhibition against the microbes in the antibacterial assays. The kernel extracts showed highest free radical scavenging activity with IC₅₀ values of less than 10 μg/mL, while the ethyl acetate and methanol extracts of leaves displayed only weak activity in the DPPH assays.

Conclusions

Phytochemical investigations on various parts of Mangifera pajang have identified terpenoids and a flavonol derivative as major constituents. Bioassay studies have indicated that the crude extracts and isolated compounds have potential as naturally-derived anticancer and antimicrobial agents, besides possess high free radical scavenging activity.

【 授权许可】

   
2015 Ahmad et al.; licensee BioMed Central.

【 图 表 】

Figure 1.

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