Woad and Health
Chemicals from woad might be used to prevent cancer, as it can produce high levels of glucobrassicin. Young leaves when damaged can produce more glucobrassicin, up to 65 times as much.
Indigowoad Root (Chinese: 板藍根; pinyin: bǎn lán gēn) is a traditional Chinese medicine herb that comes from the roots of woad, but often incorrectly listed under the synonymic name, Isatis indigotica. It is also known as Radix isatidis. The herb is cultivated in various regions of northern China, namely Hebei, Beijing, Heilongjiang, Henan, Jiangsu, and Gansu. The roots are harvested during the autumn and dried. The dried root is then processed into granules, which are most commonly consumed dissolved in hot water or tea. The product is very popular throughout China. Possible minor side effects include allergic reactions and dizziness; only large dosages or long term usage can be toxic to the kidneys. Treatments have not generally been evaluated clinically.
Read more about this topic: Isatis Tinctoria
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