Juglans regia
Juglans regia, commonly known as the Persian or English walnut, is a majestic deciduous tree prized for its nutrient-dense seeds. Beyond culinary uses, it holds significant medicinal value in traditional practices, offering potent antioxidant, anti-inflammatory, and neuroprotective properties that support cardiovascular health and cognitive function through its rich bioactive compounds.
- Scientific name: Juglans regia
- Family: Juglandaceae
- Native range: Europe
Taxonomical Classification
This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Fagales, it is classified under the family Juglandaceae. It is further identified by the genus Juglans, specifically as the species Juglans regia.
| Rank | Classification | Source |
|---|---|---|
| Kingdom | Plantae | WCVP |
| Phylum | Streptophyta | WCVP |
| Class | Equisetopsida | WCVP |
| Subclass | Magnoliidae | WCVP |
| Order | Fagales | WCVP |
| Family | Juglandaceae | WCVP |
| Genus | Juglans | WCVP |
Distribution
This plant exhibits a specific geographical distribution across several regions of Europe. In Northern Europe, its presence is noted in Denmark and the islands of Great Britain and Ireland. It can also be found further north within the borders of Norway. Moving toward the center of the continent, the species is documented in Middle Europe. Specifically, its range extends into the country of Austria.
| Region | Area | Source |
|---|---|---|
| Northern Europe | Denmark | WCVP |
| Northern Europe | Great Britain | WCVP |
| Northern Europe | Ireland | WCVP |
| Northern Europe | Norway | WCVP |
| Middle Europe | Austria | WCVP |
| Middle Europe | Belgium | WCVP |
| Middle Europe | Germany | WCVP |
| Middle Europe | Hungary | WCVP |
| Middle Europe | Poland | WCVP |
| Middle Europe | Switzerland | WCVP |
Chemicals
Juglans regia has 61 reported phytochemicals identified across 81 scientific publications and several other databases. The most consistently reported chemicals include flavonoids, polyphenols, quercetin, juglone, catechin.
- Total chemicals
- 61
- Scientific sources
- 81
Most Reported Compounds
| Compound | Sources | Confidence |
|---|---|---|
| flavonoids | 5 | ★★★☆☆ |
| polyphenols | 5 | ★★★☆☆ |
| quercetin | 4 | ★★☆☆☆ |
| juglone | 3 | ★★☆☆☆ |
| catechin | 2 | ★☆☆☆☆ |
| condensed tannins | 2 | ★☆☆☆☆ |
| epicatechin | 2 | ★☆☆☆☆ |
| kaempferol | 2 | ★☆☆☆☆ |
| linoleic acid | 2 | ★☆☆☆☆ |
| myricetin | 2 | ★☆☆☆☆ |
Activities
Juglans regia has 20 reported activities identified across 43 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antimicrobial, Antibacterial, Antidiabetic, Anticancer.
- Total activities
- 20
- Scientific sources
- 43
Most Reported Activities
| Activity | Sources | Confidence |
|---|---|---|
| Antioxidant | 9 | ★★★★☆ |
| Antimicrobial | 6 | ★★★☆☆ |
| Antibacterial | 4 | ★★☆☆☆ |
| Antidiabetic | 4 | ★★☆☆☆ |
| Anticancer | 2 | ★☆☆☆☆ |
| Antimutagenic | 2 | ★☆☆☆☆ |
| Hepatoprotective | 2 | ★☆☆☆☆ |
| Hypolipidemic | 2 | ★☆☆☆☆ |
| Antifungal | 1 | ★☆☆☆☆ |
| Antiglycation | 1 | ★☆☆☆☆ |
Medicinal Uses
Juglans regia has 71 reported medicinal uses identified across 83 scientific publications and several other databases. The most consistently reported uses include cancer, diabetes mellitus, inflammation, anorexia, antidiabetic.
- Total uses
- 71
- Scientific sources
- 83
Most Reported Uses
| Use | Sources | Confidence |
|---|---|---|
| cancer | 4 | ★★☆☆☆ |
| diabetes mellitus | 3 | ★★☆☆☆ |
| inflammation | 3 | ★★☆☆☆ |
| anorexia | 2 | ★☆☆☆☆ |
| antidiabetic | 2 | ★☆☆☆☆ |
| diarrhea | 2 | ★☆☆☆☆ |
| eczema | 2 | ★☆☆☆☆ |
| sinusitis | 2 | ★☆☆☆☆ |
| Apo-B | 1 | ★☆☆☆☆ |
| Ascaridia galli | 1 | ★☆☆☆☆ |