The root of such a plant, or anextract of these roots.
1855, Sir Richard Burton,Personal Narrative of a Pilgrimage to Al-Madinah & Meccah, Dover, published1964, pages56–7:
When the Afghan princes find it necessary to employ Chob-Chini, (theJin-seng, or China root so celebrated as a purifier, tonic, and aphrodisiac) they choose the spring season.
2013 March, David S. Senchina, “Athletics and Herbal Supplements”, inAmerican Scientist[1], volume101, number 2, archived fromthe original on16 May 2013, page134:
Athletes' use of herbal supplements has skyrocketed in the past two decades. At the top of the list of popular herbs are echinacea andginseng, whereas garlic, St. John's wort, soybean, ephedra and others are also surging in popularity or have been historically prevalent.
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