Quality assessment of Japanese knotweed (Fallopia japonica) grown on Prince Edward Island as a source of resveratrol

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DOIResolve DOI: http://doi.org/10.1021/jf4019239
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TypeArticle
Journal titleJournal of Agricultural and Food Chemistry
ISSN0021-8561
1520-5118
Volume61
Issue26
Pages63836392; # of pages: 10
SubjectFallopia japonica; Japanese knotweed; quality assessment; resveratrol; UPLC
AbstractJapanese knotweed (Fallopia japonica, also known as Polygonum cuspidatum) is a common invasive plant species on Prince Edward Island (PEI), Canada, whereas it has been used in Chinese medicine and more recently as a raw material for extracting resveratrol. This paper reports on the quantification of resveratrol, polydatin, emodin, and physcion in roots, stems, and leaves of Japanese knotweed samples from PEI and British Columbia (BC), Canada, and nine provinces of China, by ultraperformance liquid chromatography (UPLC). The results showed that the root contains a much higher level of resveratrol than the stem and leaf, and it is accumulated in its highest level in October. PEI-grown knotweed contains similar levels of resveratrol and polydatin compared to Chinese samples collected in the month of October, but the contents of the other anthraquinones (emodin and physcion) are different. As such, Japanese knotweed grown in PEI could be a commercially viable source of raw material for resveratrol production; however, caution has to be taken in harvesting the right plant species.
Publication date
PublisherACS Publications
LanguageEnglish
AffiliationNational Research Council Canada; Aquatic and Crop Resource Development
Peer reviewedYes
NRC number55433
NPARC number21268623
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Record identifierfb1bb343-b0ee-4b78-b1a7-b56be3b3643b
Record created2013-10-28
Record modified2016-05-09
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