What is it about?
A literature review to determine whether there is evidence to support proteins in saliva binding to tannings and thereby preventing them from binding iron.
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Why is it important?
Tannins binding to iron decreases its absorption. Thus, preventing this from happening in theory should improve iron absorption and iron outcomes.
Read the Original
This page is a summary of: Salivary proline-rich protein may reduce tannin-iron chelation: a systematic narrative review, Nutrition & Metabolism, July 2017, Springer Science + Business Media,
DOI: 10.1186/s12986-017-0197-z.
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Resources
Long-Term Dose-Response Condensed Tannin Supplementation Does Not Affect Iron Status or Bioavailability
A study that examined the impact of tannin supplementation on iron absorption and outcomes.
The Impact of Tannin Consumption on Iron Bioavailability and Status: A Narrative Review
Review on the impact of tannin consumption on iron absorption and concentrations found in the body.
Salivary cystatin SN binds to phytic acid in vitro and is a predictor of non-heme iron bioavailability with phytic acid supplementation in a proof of concept pilot study
A study that investigated salivary proteins and phytic acid supplementation.
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