Isatis tinctoria

Dyer's woad

Isatis tinctoria, commonly known as Woad, is a versatile medicinal plant prized for its potent antimicrobial properties. Rich in glucosinolates, it has been used traditionally to treat respiratory ailments, skin infections, and inflammation. Today, it remains a significant botanical resource in both herbal medicine and natural dye production.

  • Scientific name: Isatis tinctoria
  • Family: Brassicaceae
  • Native range: Europe

Taxonomical Classification

This plant, known scientifically as Isatis tinctoria, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and the subclass Magnoliidae within the order Brassicales. Finally, it is a member of the family Brassicaceae and falls under the genus Isatis.

Rank Classification Source
Kingdom Plantae WCVP
Phylum Streptophyta WCVP
Class Equisetopsida WCVP
Subclass Magnoliidae WCVP
Order Brassicales WCVP
Family Brassicaceae WCVP
Genus Isatis WCVP

Common Names

This plant, known scientifically as Isatis tinctoria, is recognized by various common names across different languages and cultures. In German, it is called Färberwaid, while in Chinese, it is referred to as 菘蓝. In Poland, the species is known as urzet barwierski, and in French, it is called Pastel des teinturiers. Additionally, in the Wakashan language, it is referred to as Waisse.
Language Common Name Source
de Färberwaid Wikidata
zh 菘蓝 Wikidata
pl urzet barwierski Wikidata
wa Waisse Wikidata
fr Pastel des teinturiers Wikidata
ko 대청 Wikidata
oc Pastèl Wikidata
kw Liwles Wikidata
nl wede Wikidata
ar وسمة الصباغين Wikidata

Distribution

This plant, Isatis tinctoria, exhibits a specific presence across several regions in Northern Europe. It can be found growing within the coastal and inland landscapes of Denmark. Its distribution also extends northward into the territories of Norway and Finland. Additionally, the species is documented across the islands of Great Britain. Finally, it maintains a botanical presence within the country of Ireland.

Region Area Source
Northern Europe Denmark WCVP
Northern Europe Finland WCVP
Northern Europe Great Britain WCVP
Northern Europe Ireland WCVP
Northern Europe Norway WCVP
Northern Europe Sweden WCVP
Middle Europe Austria WCVP
Middle Europe Belgium WCVP
Middle Europe Czechia-Slovakia WCVP
Middle Europe Germany WCVP

Plant Parts

This plant, commonly known as woad, is valued for its diverse medicinal properties which can be derived from various components. While the whole plant possesses unique biochemical characteristics, therapeutic applications often focus on the aerial parts to ensure potency. Specifically, the rosette leaf formation provides a concentrated source of secondary metabolites, though the individual leaves are frequently harvested for their chemical richness. In many pharmacological preparations, leaf extracts are utilized to isolate the specific compounds necessary for medicinal use.
Total parts
5
Scientific sources
5
Plant Part Sources Confidence
whole plant 1 ★☆☆☆☆
rosette leaf 1 ★☆☆☆☆
leaves 1 ★☆☆☆☆
leaf extracts 1 ★☆☆☆☆
aerial parts 1 ★☆☆☆☆

Chemicals

Isatis tinctoria has 26 reported phytochemicals identified across 32 scientific publications and several other databases. The most consistently reported chemicals include indirubin, tryptanthrin, flavonoids, glucosinolates, 1,5-anhydroglucitol.

Total chemicals
26
Scientific sources
32

Most Reported Compounds

Compound Sources Confidence
indirubin 3 ★★☆☆☆
tryptanthrin 3 ★★☆☆☆
flavonoids 2 ★☆☆☆☆
glucosinolates 2 ★☆☆☆☆
1,5-anhydroglucitol 1 ★☆☆☆☆
Compound 2 1 ★☆☆☆☆
Compound 3 1 ★☆☆☆☆
GB-1 1 ★☆☆☆☆
GB-2 1 ★☆☆☆☆
Glucoisatisin 1 ★☆☆☆☆

Activities

Isatis tinctoria has 8 reported activities identified across 8 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antiallergic, Antidiabetic, Antifungal, Antimicrobial.

Total activities
8
Scientific sources
8

Most Reported Activities

Activity Sources Confidence
Analgesic 1 ★☆☆☆☆
Antiallergic 1 ★☆☆☆☆
Antidiabetic 1 ★☆☆☆☆
Antifungal 1 ★☆☆☆☆
Antimicrobial 1 ★☆☆☆☆
Antioxidant 1 ★☆☆☆☆
Antiviral 1 ★☆☆☆☆
Neuroprotective 1 ★☆☆☆☆

Medicinal Uses

Isatis tinctoria has 13 reported medicinal uses identified across 13 scientific publications and several other databases. The most consistently reported uses include Aspergillus niger, Atopic Dermatitis, Candida albicans, analgesic, antiallergic.

Total uses
13
Scientific sources
13

Most Reported Uses

Use Sources Confidence
Aspergillus niger 1 ★☆☆☆☆
Atopic Dermatitis 1 ★☆☆☆☆
Candida albicans 1 ★☆☆☆☆
analgesic 1 ★☆☆☆☆
antiallergic 1 ★☆☆☆☆
antioxidant 1 ★☆☆☆☆
antiviral 1 ★☆☆☆☆
cold 1 ★☆☆☆☆
dengue fever 1 ★☆☆☆☆
hyperglycemia 1 ★☆☆☆☆