First-pass extracted concept

glutathione

Candidate: concept label2 source documents3 linked claims

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Extracted Explainers

What the tool is doing

Glutathione is described as one of the low-molecular-mass antioxidants that participate in preventing ROS-associated stress. The review specifically notes interactions between glutathione and ascorbic acid.

Source 2DOI PubMed

Resources required

The abstract supports glutathione as part of a cooperative antioxidant network rather than an isolated tool.

Source 2DOI PubMed

What problem it solves

It contributes to antioxidant defense during hypoxia and reoxygenation-associated oxidative stress.

Source 2DOI PubMed

What it does not solve

The review does not support a simple one-to-one relationship between higher antioxidant levels and stronger protection.

Source 2DOI PubMed

Alternatives

Other named antioxidant components include ascorbic acid, tocopherols, phenolic compounds, SOD, peroxidases, and catalases.

Source 2DOI PubMed

Evidence Snippets

First, the major redox couples in the mitochondrial matrix (NAD, NADP, thioredoxin, glutathione, and ascorbate) are in kinetic steady state rather than thermodynamic equilibrium.

Evidence 1Source 1DOI PubMedprovenance

The formation of ROS is prevented by an antioxidant system: low molecular mass antioxidants (ascorbic acid, glutathione, tocopherols).

Evidence 2Source 2DOI PubMedprovenance

Supporting Sources

Source 1review2020The Plant CellDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Source 2review2002Annals of BotanyDOI PubMed

1 evidence snippet 2 linked claims Claim 1 Claim 2

Linked Claims

Claim 1mechanistic modelsupports2020Source 1DOI PubMed

Major redox couples in the plant mitochondrial matrix are in kinetic steady state rather than thermodynamic equilibrium.

Claim 2network interaction summarysupports2002Source 2DOI PubMed

Antioxidants act as a cooperative network, and interactions between ascorbic acid and glutathione and between ascorbic acid and phenolic compounds are well known.

Claim 3protective system summarysupports2002Source 2DOI PubMed

The antioxidant system preventing ROS-associated stress includes low-molecular-mass antioxidants, enzymes that regenerate reduced antioxidants, and ROS-interacting enzymes such as SOD, peroxidases, and catalases.