Phytochemical analysis of baby corn silk extracts

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dc.contributor.authorLimmatvapirat, Chutimaen_US
dc.contributor.authorNateesathittarn, Chutipaen_US
dc.contributor.authorDechasathian, Kamolen_US
dc.contributor.authorMoohummad, Thariten_US
dc.contributor.authorChinajitphan, Panaen_US
dc.contributor.authorLimmatvapirat, Sontayaen_US
dc.date.accessioned2020-11-18T10:11:52Z
dc.date.available2020-11-18T10:11:52Z
dc.date.issued2020-07
dc.description.abstractBackgroundBaby corn silk extract can be used as an antioxidant dietary supplement. However, insufficient data exists for this extract to guarantee its quality, efficacy and safety.ObjectiveTo determine phytochemical constituents, contents of phenolics and flavonoids, antioxidant activities, heavy metal concentrations, and microbial contamination of baby corn silk extracts.Material and methodsBaby corn silks including Pacific 271 and Zeba SG 17 hybrids were individually extracted with 40% v/v ethanol and distilled water to obtain Pacific 271 ethanol extract (PE), Zeba SG 17 ethanol extract (ZE), Pacific 271 aqueous extract (PA), and Zeba SG 17 aqueous extract (ZA). The analysis of phytochemical constituents was carried out using phytochemical tests, TLC screening, UV-visible, FTIR, and 1H NMR experiments. The contents of phenolics and flavonoids were determined using the modified Folin-Ciocalteu and aluminium chloride colorimetric procedures, respectively. Antioxidant activities were investigated using DPPH and FRAP assays. The concentrations of heavy metals were analyzed by ICP-MS. Microbial enumeration tests were carried out according to the United States Pharmacopeia (USP) 41.ResultsPE and ZE were composed of flavonoids, tannins, terpenoids, and steroids while PA and ZA contained flavonoids and tannins. PE and ZE exhibited higher total phenolic and flavonoid contents and significantly stronger antioxidant activities than PA and ZA. All extracts conformed to the microbiological and heavy metal requirements according to Association of South East Asian Nations (ASEAN) guidelines.ConclusionPE and ZE were considered appropriate to use as natural extracts of phenolics and flavonoids with antioxidant activities and safety.en_US
dc.identifier.affiliationsDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.affiliationsDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.affiliationsDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.affiliationsDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.affiliationsDepartment of Pharmaceutical Chemistry, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.affiliationsDepartment of Pharmaceutical Technology, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailanden_US
dc.identifier.citationLimmatvapirat Chutima, Nateesathittarn Chutipa, Dechasathian Kamol, Moohummad Tharit, Chinajitphan Pana, Limmatvapirat Sontaya. Phytochemical analysis of baby corn silk extracts. Journal of Ayurveda and Integrative Medicine. 44013; 11(3): 344-351en_US
dc.identifier.issn0975-9476
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/214044
dc.languageenen_US
dc.publisherElsevieren_US
dc.relation.issuenumber3en_US
dc.relation.volume11en_US
dc.source.urihttps://dx.doi.org//10.1016/j.jaim.2019.10.005en_US
dc.subjectCorn silken_US
dc.subjectAntioxidanten_US
dc.subjectFlavonoiden_US
dc.subjectContaminationen_US
dc.titlePhytochemical analysis of baby corn silk extractsen_US
dc.typeJournal Articleen_US
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