AI Discovers Peptides in Lion's Mane Mushroom That Lower Blood Pressure and Fight Oxidation | Research

The takeaway

An AI-assisted workflow using DeepSeek identified 7 functional peptides in lion's mane mushroom with dual antioxidant and ACE-inhibitory activities, validated by laboratory assays.

7 AI-identified peptides
DeepSeek LLM accurately predicted functional peptides validated by lab assays

What the researchers found

AI-assisted annotation identified 7 dual-function peptides in Hericium erinaceus with confirmed antioxidant and ACE-inhibitory activities through laboratory validation.

Why it matters

Traditional peptide discovery is slow and expensive. Using AI to predict which peptides have therapeutic properties dramatically accelerates finding natural compounds for blood pressure and oxidative stress management.

How the study worked

LLM-assisted peptide annotation (DeepSeek platform) combined with LC-MS/MS, antioxidant assays, ACE-inhibitory assays, and cellular evaluations.

What this study cannot tell us

In vitro validation only — in vivo blood pressure effects not tested; peptide bioavailability and digestive stability unknown; AI predictions require experimental confirmation.

How to read the evidence

Novel AI-assisted discovery with in vitro validation — innovative methodology but lacks in vivo efficacy data.

When this study was published

Published in 2026, at the forefront of AI-assisted bioactive peptide discovery.

The bigger picture

This is one of the first studies using large language models for bioactive peptide discovery — demonstrating that AI tools originally designed for text can be repurposed for scientific discovery in food and pharmaceutical sciences.

Questions still open

Can AI-discovered mushroom peptides actually lower blood pressure in animal models or humans?
Could this AI-assisted approach be applied systematically across all edible fungi?

Common questions

Can lion's mane mushroom lower blood pressure?

This study found peptides in lion's mane that inhibit ACE, the same enzyme targeted by blood pressure medications, and also have antioxidant effects. However, eating the mushroom or taking supplements hasn't been proven to lower blood pressure in humans yet.

How was AI used to find these peptides?

The researchers used DeepSeek, a large language model, to analyze protein sequences from the mushroom and predict which peptide fragments would have biological activity — like a smart search engine for therapeutic molecules.

Read the original research

AI-assisted discovery of dual antioxidant and ACE-inhibitory peptides from Hericium erinaceus.

Food chemistry, 506, 148179

View on PubMed ↗Publisher’s paper ↗

Citation

Chen, Rongheng; Yu, Jiahao; Feng, Simin; Shao, Ping. (2026). AI-assisted discovery of dual antioxidant and ACE-inhibitory peptides from Hericium erinaceus.. Food chemistry, 506, 148179. https://doi.org/10.1016/j.foodchem.2026.148179