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发布时间：2025-09-11 19:22:36 来源：都市天下脉观察 作者：百科

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Beetroot juice, which is rich in nitrates, has been linked to changing the community of bacteria living in the mouth.

Now, a new study has found that drinking this juice could reduce older adults’ blood pressure.

Researchers at the University of Exeter compared the response of both younger and older participants to the juice and published the study in Free Radical Biology and Medicine.

COMMON DAILY VITAMIN SHOWN TO SLOW AGING PROCESS OVER 4-YEAR PERIOD

Thirty-nine participants under age 30, plus 36 individuals in their 60s and 70s, were split into two separate two-week phases.

One group consumed nitrate-rich beetroot juice shots daily, while the other group — a placebo group — received a version without nitrates. Each group had a "wash-out period" between phases to reset their systems.

Research reveals dietary nitrates from beetroot juice could improve certain adults' vascular health.  (iStock)

Researchers practiced bacterial gene sequencing to identify which microbes were present in the participants’ mouths before and after each treatment.

Older adults who drank nitrate-rich beetroot juice had fewer mouth bacteria called Prevotella, which is linked to inflammation, and more helpful bacteria like Neisseria.

"Foods that are high in dietary nitrates such as leafy greens, beets and lettuce can help lower blood pressure."

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