Table 1 |
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Patents for using DNA techniques to authenticate high-value Chinese medicinal materials |
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Medicinal material |
Description of the patent |
DNA techniques |
Patent number |
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Radix Et Rhizoma Ginseng (Renshen) |
Distinguish Panax ginseng from Panax quinquefolius, distinguish Codonopsis species and adulterants |
PCR-RFLP |
US Patent 5876977 |
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Differentiate wild ginseng, cultivated ginseng, and adulterants |
PCR-RFLP |
Chinese Patent 200410016240 |
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Distinguish Panax ginseng from Panax quinquefolius and adulterants |
SCAR |
US Patent 6803215 |
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Caulis Dendrobii (Shihu) |
Distinguish 16 Dendrobium species and adulterants from each other |
PCR-RFLP |
Chinese Patent 01102434 |
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Cordyceps (Dongchongxiacao) |
Distinguish Cordyceps sinensis from seven related species |
PCR-RFLP |
Chinese Patent 99106135 |
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Distinguish Cordyceps sinensis from seven related species |
PCR-RFLP |
US Patent 6271003 |
|
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Distinguish Cordyceps sinensis from seven related species |
DNA sequencing |
US Patent 6251606 |
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Colla Corii Asini (Ejiao) |
Distinguish Equus asinus from domestic animals |
PCR-RFLP |
Chinese Patent 03153838 |
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Rhizoma Gastrodiae (Tianma) |
Distinguish Gastrodia eleata from adulterant Lycopus lucidus |
SCAR |
Chinese Patent 200510031346 |
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Shaw et al. Chinese Medicine 2009 4:21 doi:10.1186/1749-8546-4-21 |
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