Antioxidant Properties of Crude Extract, Partition Extract, and Fermented Medium of Dendrobium sabin Flower

Antioxidant properties of crude extract, partition extract, and fermented medium from Dendrobium sabin (DS) flower were investigated. The oven-dried DS flower was extracted using 100% methanol (w/v), 100% ethanol (w/v), and 100% water (w/v). The 100% methanolic crude extract showed the highest total...

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Published in:Evidence-based complementary and alternative medicine 2017-01, Vol.2017 (2017), p.1-9
Main Authors: Mohd Akhir, Sobri, Mohamad Moklas, Mohamad Aris, Mat Taib, Che Norma, Abu, Farahziela
Format: Article
Language:English
Subjects:
Antioxidants
Berries
Chemical properties
Coffee
Enzymes
Ethanol
Fermentation
Free radicals
Health aspects
Materia medica, Vegetable
Orchids
Phenols
Plant extracts
Potassium
Soybeans
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creator Mohd Akhir, Sobri
Mohamad Moklas, Mohamad Aris
Mat Taib, Che Norma
Abu, Farahziela
description Antioxidant properties of crude extract, partition extract, and fermented medium from Dendrobium sabin (DS) flower were investigated. The oven-dried DS flower was extracted using 100% methanol (w/v), 100% ethanol (w/v), and 100% water (w/v). The 100% methanolic crude extract showed the highest total phenolic content (40.33 ± mg GAE/g extract) and the best antioxidant properties as shown by DPPH, ABTS, and FRAP assays. A correlation relationship between antioxidant activity and total phenolic content showed that phenolic compounds were the dominant antioxidant components in this flower extract. The microbial fermentation on DS flower medium showed a potential in increasing the phenolic content and DPPH scavenging activity. The TPC of final fermented medium showed approximately 18% increment, while the DPPH of fermented medium increased significantly to approximately 80% at the end of the fermentation. Dendrobium sabin (DS) flower showed very good potential properties of antioxidant in crude extract and partition extract as well as better antioxidant activity in the flower fermented medium.
doi_str_mv 10.1155/2017/2907219
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The oven-dried DS flower was extracted using 100% methanol (w/v), 100% ethanol (w/v), and 100% water (w/v). The 100% methanolic crude extract showed the highest total phenolic content (40.33 ± mg GAE/g extract) and the best antioxidant properties as shown by DPPH, ABTS, and FRAP assays. A correlation relationship between antioxidant activity and total phenolic content showed that phenolic compounds were the dominant antioxidant components in this flower extract. The microbial fermentation on DS flower medium showed a potential in increasing the phenolic content and DPPH scavenging activity. The TPC of final fermented medium showed approximately 18% increment, while the DPPH of fermented medium increased significantly to approximately 80% at the end of the fermentation. Dendrobium sabin (DS) flower showed very good potential properties of antioxidant in crude extract and partition extract as well as better antioxidant activity in the flower fermented medium.</description><identifier>ISSN: 1741-427X</identifier><identifier>EISSN: 1741-4288</identifier><identifier>DOI: 10.1155/2017/2907219</identifier><identifier>PMID: 28761496</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Antioxidants ; Berries ; Chemical properties ; Coffee ; Enzymes ; Ethanol ; Fermentation ; Free radicals ; Health aspects ; Materia medica, Vegetable ; Orchids ; Phenols ; Plant extracts ; Potassium ; Soybeans</subject><ispartof>Evidence-based complementary and alternative medicine, 2017-01, Vol.2017 (2017), p.1-9</ispartof><rights>Copyright © 2017 Farahziela Abu et al.</rights><rights>COPYRIGHT 2017 John Wiley &amp; Sons, Inc.</rights><rights>Copyright © 2017 Farahziela Abu et al. 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subjects Antioxidants
Berries
Chemical properties
Coffee
Enzymes
Ethanol
Fermentation
Free radicals
Health aspects
Materia medica, Vegetable
Orchids
Phenols
Plant extracts
Potassium
Soybeans
title Antioxidant Properties of Crude Extract, Partition Extract, and Fermented Medium of Dendrobium sabin Flower
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