Cited by 1,078Nitric Oxide and Endothelin EffectsCardiovascular Health and Disease PreventionPhytochemicals and Antioxidant Activities

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Acute Blood Pressure Lowering, Vasoprotective, and Antiplatelet Properties of Dietary Nitrate via Bioconversion to Nitrite

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Abstract

Diets rich in fruits and vegetables reduce blood pressure (BP) and the risk of adverse cardiovascular events. However, the mechanisms of this effect have not been elucidated. Certain vegetables possess a high nitrate content, and we hypothesized that this might represent a source of vasoprotective nitric oxide via bioactivation. In healthy volunteers, approximately 3 hours after ingestion of a dietary nitrate load (beetroot juice 500 mL), BP was substantially reduced (Δ max −10.4/8 mm Hg); an effect that correlated with peak increases in plasma nitrite concentration. The dietary nitrate load also prevented endothelial dysfunction induced by an acute ischemic insult in the human forearm and significantly attenuated ex vivo platelet aggregation in response to collagen and ADP. Interruption of the enterosalivary conversion of nitrate to nitrite (facilitated by bacterial anaerobes situated on the surface of the tongue) prevented the rise in plasma nitrite, blocked the decrease in BP, and abolished the inhibitory effects on platelet aggregation, confirming that these vasoprotective effects were attributable to the activity of nitrite converted from the ingested nitrate. These findings suggest that dietary nitrate underlies the beneficial effects of a vegetable-rich diet and highlights the potential of a “natural” low cost approach for the treatment of cardiovascular disease.

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Crossref · 10.1161/hypertensionaha.107.103523

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  1. 10.1161/res.88.2.145 · DOI
  2. 10.1161/res.88.8.756 · DOI

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Metadata

Authors
Webb, A. J., Patel, N., Loukogeorgakis, S., Okorie, M., Aboud, Z., Misra, S., Rashid, R., Miall, P., Deanfield, J., Benjamin, N., MacAllister, R., Hobbs, A. J., & Ahluwalia, A.
Affiliations
Queen Mary University of London (GB)
Venue
Hypertension
Published
2008-03
Volume
51
Issue
3
Pages
784-790
ISSN
  • 0194-911X (ISSN-L)
  • 1524-4563
OpenAlex
W2161221966
Cited by
1,078
References
51
Citations by year
2026: 35 · 2025: 33 · 2024: 47 · 2023: 59 · 2022: 59 · 2021: 55 · 2020: 73 · 2019: 69 · 2018: 78 · 2017: 80 · 2016: 73 · 2015: 74 · 2014: 79 · 2013: 59 · 2012: 65
FWCI
30.49
Type
journal article
Language
en
Open access
Locations
  • Hypertension (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Research Portal (King's College London) (submittedVersion)
Funders
Wellcome Trust (067422)
Topics
  • Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
  • Health Sciences › Medicine › Biochemistry (medical) › Phytochemicals and Antioxidant Activities
Keywords
dietary nitrate, beetroot juice, blood pressure reduction, nitric oxide, endothelial dysfunction, platelet aggregation, cardiovascular disease
MeSH terms
Adolescent, Adult, Blood Pressure, Diet, Endothelium, Vascular, Humans, Hypertension, Middle Aged, Nitrates, Nitrites, Platelet Aggregation, Saliva, Tongue, Reperfusion Injury, Cross-Over Studies, Beta vulgaris

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