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Comparison of compounds of three Rubus species and their antioxidant activity.

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Title: Comparison of compounds of three Rubus species and their antioxidant activity.
Authors: Rezeng Caidan1, Limao Cairang2, Jiumei Pengcuo3 qhzhzyyjzhx@126.com, Li Tong1 qhdx2011@126.com
Source: Drug Discoveries & Therapeutics. Dec2015, Vol. 9 Issue 6, p391-396. 6p.
Subject Terms: *RUBUS, *ANTIOXIDANTS, *CHINESE medicine, *TRADITIONAL medicine, *MEDICAL care
Geographic Terms: CHINA
Abstract: Rubus amabilis, Rubus niveus Thunb., and Rubus sachalinensis are three Rubus species that are alternatively found in Manubzhithang, a Tibetan medicine, in different areas of China. The current study analyzed HPLC/UV chromatograms and it compared compounds of these three Rubus species in contrast to reference substances such as 2,6-dimethoxy-4-hydroxyphenol-1-O-β-D-glucopyranoside, procyanidin B4, and isovitexin-7-O-glucoside. The three Rubus species produced similar peaks in chromatograms. The antioxidant activity of the three Rubus species was determined using an assay for DPPH free radical scavenging activity. Results indicated that the three Rubus species extracts had almost the same level of free radical scavenging activity. Thus, findings indicated the rationality of substituting these species for one another as an ingredient in Manubzhithang. [ABSTRACT FROM AUTHOR]
Copyright of Drug Discoveries & Therapeutics is the property of International Advancement Center for Medicine & Health Research Co., Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Comparison of compounds of three Rubus species and their antioxidant activity.
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  Data: <searchLink fieldCode="AR" term="%22Rezeng+Caidan%22">Rezeng Caidan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Limao+Cairang%22">Limao Cairang</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Jiumei+Pengcuo%22">Jiumei Pengcuo</searchLink><relatesTo>3</relatesTo><i> qhzhzyyjzhx@126.com</i><br /><searchLink fieldCode="AR" term="%22Li+Tong%22">Li Tong</searchLink><relatesTo>1</relatesTo><i> qhdx2011@126.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Drug+Discoveries+%26+Therapeutics%22">Drug Discoveries & Therapeutics</searchLink>. Dec2015, Vol. 9 Issue 6, p391-396. 6p.
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  Data: *<searchLink fieldCode="DE" term="%22RUBUS%22">RUBUS</searchLink><br />*<searchLink fieldCode="DE" term="%22ANTIOXIDANTS%22">ANTIOXIDANTS</searchLink><br />*<searchLink fieldCode="DE" term="%22CHINESE+medicine%22">CHINESE medicine</searchLink><br />*<searchLink fieldCode="DE" term="%22TRADITIONAL+medicine%22">TRADITIONAL medicine</searchLink><br />*<searchLink fieldCode="DE" term="%22MEDICAL+care%22">MEDICAL care</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22CHINA%22">CHINA</searchLink>
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  Label: Abstract
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  Data: Rubus amabilis, Rubus niveus Thunb., and Rubus sachalinensis are three Rubus species that are alternatively found in Manubzhithang, a Tibetan medicine, in different areas of China. The current study analyzed HPLC/UV chromatograms and it compared compounds of these three Rubus species in contrast to reference substances such as 2,6-dimethoxy-4-hydroxyphenol-1-O-β-D-glucopyranoside, procyanidin B4, and isovitexin-7-O-glucoside. The three Rubus species produced similar peaks in chromatograms. The antioxidant activity of the three Rubus species was determined using an assay for DPPH free radical scavenging activity. Results indicated that the three Rubus species extracts had almost the same level of free radical scavenging activity. Thus, findings indicated the rationality of substituting these species for one another as an ingredient in Manubzhithang. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Drug Discoveries & Therapeutics is the property of International Advancement Center for Medicine & Health Research Co., Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.5582/ddt.2015.01179
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 391
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      – SubjectFull: CHINA
        Type: general
      – SubjectFull: RUBUS
        Type: general
      – SubjectFull: ANTIOXIDANTS
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      – SubjectFull: CHINESE medicine
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            NameFull: Rezeng Caidan
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            NameFull: Limao Cairang
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            NameFull: Jiumei Pengcuo
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            NameFull: Li Tong
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            – D: 01
              M: 12
              Text: Dec2015
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              Y: 2015
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