Juglans regia 2,923 claims

species · family Juglandaceae · green plant · NCBI Taxonomy ↗

Common name: Persian walnut — Also written in claims: Persian walnut · walnut · English walnut · Walnuts · Persian walnuts · English Walnuts

70 spellings

Juglans regia
Juglans regiaBöhringer Friedrich · CC BY-SA 2.5 · Wikimedia Commons ↗
Observationobservedoriginal resultmeasured

Claim · model-written summary

Green walnuts contained exceptionally high concentrations of carotenoids, especially β-carotene at 629.7 ± 39.4 mg/kg.

Taxon
Juglans regiaJuglans regiat0
Organ / stage
Green walnutse0
Outcome
concentrations of carotenoidse0
Value
629.7 ± 39.4 mg/kge0
Qualifier
exceptionally highe0

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“Green walnuts contained exceptionally high concentrations of carotenoids, especially β-carotene (629.7 ± 39.4 mg/kg)”

✓ located verbatim in the source · abstract, characters 1104–1220

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Walnut shells were the richest source of phenolic compounds among the walnut fractions analysed.

Taxon
Juglans regiaJuglans regiat0
Organ / stage
Walnut shellse0
Outcome
phenolic compoundse0

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“Walnut shells were the richest source of phenolic compounds”

✓ located verbatim in the source · abstract, characters 1222–1281

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Walnut shells contained ellagic acid at 713.3 ± 7.6 mg/kg.

Taxon
Juglans regiaJuglans regiat0
Organ / stage
Walnut shellse0
Outcome
ellagic acide1
Value
713.3 ± 7.6 mg/kge1

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“Walnut shells were the richest source of phenolic compounds”

✓ located verbatim in the source · abstract, characters 1222–1281
e1

“ellagic acid (713.3 ± 7.6 mg/kg)”

✓ located verbatim in the source · abstract, characters 1291–1323

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Walnut shells contained catechin at 71.9 ± 1.2 mg/kg.

Taxon
Juglans regiaJuglans regiat0
Organ / stage
Walnut shellse0
Outcome
catechine1
Value
71.9 ± 1.2 mg/kge1

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“Walnut shells were the richest source of phenolic compounds”

✓ located verbatim in the source · abstract, characters 1222–1281
e1

“catechin (71.9 ± 1.2 mg/kg)”

✓ located verbatim in the source · abstract, characters 1328–1355

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Tocopherols were mainly concentrated in the walnut kernel, dominated by γ-tocopherol at 226.9 ± 8.1 mg/kg.

Taxon
Juglans regiaJuglans regiat0
Organ / stage
kernele0
Outcome
Tocopherolse0
Value
226.9 ± 8.1 mg/kge0

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“Tocopherols were mainly concentrated in the kernel, dominated by γ-tocopherol (226.9 ± 8.1 mg/kg)”

✓ located verbatim in the source · abstract, characters 1357–1454

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Defective walnuts showed a compositional profile similar to commercial walnuts.

Taxon
Juglans regiaJuglans regiat0
Material
defective walnutse0
Outcome
compositional profilee0
Comparator
commercial walnutse0

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“defective walnuts showed a compositional profile similar to commercial walnuts”

✓ located verbatim in the source · abstract, characters 1462–1540

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors conclude that walnut processing by-products can be valorised as functional ingredients for agro-food and cosmetic applications.

Taxon
Juglans regiaJuglans regiat0
Outcome
valorisation as functional ingredients for agro-food and cosmetic applicationse0

Verbatim

t0

“walnut (Juglans regia L.)”

✓ located verbatim in the source · title, characters 10–35
e0

“The findings support their valorisation as functional ingredients for agro-food and cosmetic applications”

✓ located verbatim in the source · abstract, characters 1709–1814

Title

Upcycling walnut (Juglans regia L.) by-products: Characterisation of nutritionally relevant bioactive compounds

Campins Machado, Francesc Miquel; Abarca-Rivas, Clara; Corrado, Marina; et al. Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) 2026

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

The results showed a complex composition of amino acids and polyphenols in walnut septum extracts, including ellagic acid and quercitrin.

Taxon
Juglans regia L.Juglans regiat0
Outcome
complex composition of amino acids and polyphenols, including ellagic acid and quercitrine0

Verbatim

t0

“Juglans regia L.”

✓ located verbatim in the source · title, characters 70–86
e0

“The results showed a complex composition of amino acids and polyphenols, including ellagic acid and quercitrin”

✓ located verbatim in the source · abstract, characters 582–692

Title

Chromatographic Determination and Antimicrobial Evaluation of Walnut (Juglans regia L.) Septa from Different Habitats

Jurgita Luksiene; Nerija Zevzikovaite; Jurga Andreja Kazlauskaite; et al. Plants 2026. doi:10.3390/plants15081263

Other claims from this paper (2)
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Habitat differences in walnut septum samples significantly affected the quantities and composition of phenolic compounds and total amino acids in the extracts; direction not stated.

Taxon
Juglans regia L.Juglans regiat0
Treatment
habitat variationse0
Outcome
quantities and composition of phenolic compounds and total amino acidse0

Not reportedDirection

Verbatim

t0

“Juglans regia L.”

✓ located verbatim in the source · title, characters 70–86
e0

“habitat variations in WS samples had a significant impact on the quantities and composition of phenolic compounds and total amino acids in WS extracts”

✓ located verbatim in the source · abstract, characters 721–871

Title

Chromatographic Determination and Antimicrobial Evaluation of Walnut (Juglans regia L.) Septa from Different Habitats

Jurgita Luksiene; Nerija Zevzikovaite; Jurga Andreja Kazlauskaite; et al. Plants 2026. doi:10.3390/plants15081263

Other claims from this paper (2)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Variations in antimicrobial efficacy of walnut septum extracts were associated with differences in phenolic composition and content due to habitat differences in sample origin.

Taxon
Juglans regia L.Juglans regiat0
Compound
phenolic composition and contente0
Outcome
antimicrobial efficacye0
Setting
habitat differencese0

Not reportedDirection

Verbatim

t0

“Juglans regia L.”

✓ located verbatim in the source · title, characters 70–86
e0

“Variations in antimicrobial efficacy were associated with differences in phenolic composition and content due to habitat differences in WS sample origins”

✓ located verbatim in the source · abstract, characters 968–1121

Title

Chromatographic Determination and Antimicrobial Evaluation of Walnut (Juglans regia L.) Septa from Different Habitats

Jurgita Luksiene; Nerija Zevzikovaite; Jurga Andreja Kazlauskaite; et al. Plants 2026. doi:10.3390/plants15081263

Other claims from this paper (2)