Survey of commercial Rhodiola products revealed species diversity and potential safety issues

The adulteration of herbal products is a threat to consumer safety. Here we surveyed the species composition of commercial Rhodiola products using DNA barcoding as a supervisory method. A Rhodiola dietary supplement DNA barcode database was successfully constructed using 82 voucher samples from 10 R...

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Veröffentlicht in:Scientific reports 2015-02, Vol.5 (1), p.8337-8337, Article 8337
Hauptverfasser: Xin, Tianyi, Li, Xiaojin, Yao, Hui, Lin, Yulin, Ma, Xiaochong, Cheng, Ruiyang, Song, Jingyuan, Ni, Lianghong, Fan, Congzhao, Chen, Shilin
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container_title Scientific reports
container_volume 5
creator Xin, Tianyi
Li, Xiaojin
Yao, Hui
Lin, Yulin
Ma, Xiaochong
Cheng, Ruiyang
Song, Jingyuan
Ni, Lianghong
Fan, Congzhao
Chen, Shilin
description The adulteration of herbal products is a threat to consumer safety. Here we surveyed the species composition of commercial Rhodiola products using DNA barcoding as a supervisory method. A Rhodiola dietary supplement DNA barcode database was successfully constructed using 82 voucher samples from 10 Rhodiola species. Based on the DNA barcoding standard operating procedure (SOP), we used this database to identify 100 Rhodiolae Crenulatae Radix et Rhizoma decoction piece samples that were purchased from drug stores and hospitals. The results showed that only 36 decoction piece sequences (40%) were authentic R. crenulata , which is recorded in Chinese Pharmacopeia, whereas the other samples were all adulterants and may indicate a potential safety issue. Among the adulterants, 35 sequences (38.9%) were authenticated as R. serrata , nine sequences (10%) were authenticated as R. rosea , which is documented in the United States Pharmacopeia and the remaining samples were authenticated as other three Rhodiola species. This result indicates decoction pieces that are available in the market have complex origins and DNA barcoding is a convenient tool for market supervision.
doi_str_mv 10.1038/srep08337
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Here we surveyed the species composition of commercial Rhodiola products using DNA barcoding as a supervisory method. A Rhodiola dietary supplement DNA barcode database was successfully constructed using 82 voucher samples from 10 Rhodiola species. Based on the DNA barcoding standard operating procedure (SOP), we used this database to identify 100 Rhodiolae Crenulatae Radix et Rhizoma decoction piece samples that were purchased from drug stores and hospitals. The results showed that only 36 decoction piece sequences (40%) were authentic R. crenulata , which is recorded in Chinese Pharmacopeia, whereas the other samples were all adulterants and may indicate a potential safety issue. Among the adulterants, 35 sequences (38.9%) were authenticated as R. serrata , nine sequences (10%) were authenticated as R. rosea , which is documented in the United States Pharmacopeia and the remaining samples were authenticated as other three Rhodiola species. 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subjects 45
45/22
45/23
45/29
45/77
631/154/1438
631/158/670
631/449
692/700/155
Deoxyribonucleic acid
DNA
DNA Barcoding, Taxonomic
DNA, Plant - analysis
DNA, Plant - genetics
Drugs, Chinese Herbal - analysis
Humanities and Social Sciences
multidisciplinary
Rhodiola - genetics
Safety
Science
Species composition
Species diversity
title Survey of commercial Rhodiola products revealed species diversity and potential safety issues
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