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Sesame dynamically rewires lignan metabolism during germination

Phys · · 239 words · By Suntory Foundation
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What to know about Sesame dynamically rewires lignan metabolism during germination

Researchers from the Suntory Foundation for Life Sciences have identified a metabolic system in sesame seeds that converts lipid-soluble lignans into water-soluble glucosides during germination. The study, published in the Proceedings of the National Academy of Sciences, details the role of specific cytochrome P450 enzymes and UDP-glycosyltransferases in this process.

Propaganda risk 0%
Claims checked 8
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Sesame dynamically rewires lignan metabolism during germination Lisa Lock Scientific Editor Robert Egan Associate Editor Sesame seeds are rich in lipid-soluble lignans such as sesamin, which are widely known as health-promoting phytochemicals.

Why it matters

While these compounds rapidly decrease during germination and are converted into water-soluble glucosides, the molecular mechanism underlying this large-scale metabolic transition had remained unclear.

Common ground

Researchers at the Suntory Foundation for Life Sciences uncovered a previously unknown metabolic system that enables sesame seeds to extensively remodel lignan metabolism during germination.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers from the Suntory Foundation for Life Sciences have identified a metabolic system in sesame seeds that converts lipid-soluble lignans into water-soluble glucosides during germination. The study, published in the Proceedings of the National Academy of Sciences, details the role of specific cytochrome P450 enzymes and UDP-glycosyltransferases in this process.

open_in_new Read the original article: https://phys.org/news/2026-06-sesame-dynamically-rewires-lignan-metabolism.html

analyticsAnalysis

0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 8 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

info Single Source 5
check_circle Corroborated 3
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Claim 1: “The research is published in the Proceedings of the National Academy of Sciences”
SINGLE SOURCE
The claim that the research is published in PNAS is explicitly stated in the web search results citing the paper by Erisa Harada et al.
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wikipedia NEUTRAL — The Indian National Science Academy (INSA) is a national academy in New Delhi for Indian scientists in all branches of science and technology. In 2015 INSA has constituted a junior wing for young scie…
https://en.wikipedia.org/wiki/Indian_National_Science_Academ…
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wikipedia NEUTRAL — The National Academy of Sciences (NAS) is an American nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Ac…
https://en.wikipedia.org/wiki/National_Academy_of_Sciences
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wikipedia NEUTRAL — Proceedings of the National Academy of Sciences of the United States of America (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal. It is the official journal…
https://en.wikipedia.org/wiki/Proceedings_of_the_National_Ac…
+ 3 more evidence sources
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Claim 2: “Sesame seeds are rich in lipid-soluble lignans such as sesamin”
CORROBORATED
Multiple independent sources (PMC, Springer Nature) confirm that sesame seeds contain bioactive lignans, specifically mentioning sesamin.
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web search NEUTRAL — Sesame lignans may account for the seed's popularity, including sesamin, sesamolin, and sesamol. Sesame oil has been shown to have antioxidant and health- ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC11049391/
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web search NEUTRAL — Jan 26, 2019 ... Sesame is a valuable oilseed crop that contains various nutritionally rich bioactive compounds including lignans, tocopherol homologues, phytosterols, etc.
https://link.springer.com/rwe/10.1007/978-3-319-78030-6_59
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web search NEUTRAL — Jan 20, 2023 ... noted that sesamin, sesamolin, along with sesaminol had the ability to reduce lipids and arachidonic acid levels in humans. They also reported ...
https://www.tandfonline.com/doi/full/10.1080/87559129.2023.2…
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Claim 3: “Erisa Harada et al, Dynamic diversification of lignan metabolism in sesame via coordinated oxygenation and glucosylation across germination, Proceedings of the National Academy of Sciences (2026). DOI: 10.1073/pnas.2605774123”
CORROBORATED
Two different web search results provide the exact title, author (Erisa Harada et al), journal (PNAS), year (2026), and the specific DOI, confirming the existence of this publication.
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web search NEUTRAL — Article Title: Dynamic diversification of lignan metabolism in sesame via coordinated oxygenation and glucosylation across germination.
https://bioengineer.org/sesame-dynamically-reshapes-lignan-m…
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web search NEUTRAL — Erisa Harada et al, Dynamic diversification of lignan metabolism in sesame via coordinated oxygenation and glucosylation across germination, Proceedings of the National Academy of Sciences (2026).
https://phys.org/news/2026-06-sesame-dynamically-rewires-lig…
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web search NEUTRAL — Lignan polyphenols derived from plants are metabolized by bacteria in the gut to mammalian lignans, such as enterolactone (ENL) and enterodiol (END).
https://pmc.ncbi.nlm.nih.gov/articles/PMC10695372/
info
Claim 4: “They identified a new group of cytochrome P450 enzymes, CYP706V12–V14, that function specifically during germination”
SINGLE SOURCE
The specific enzymes CYP706V12–V14 are mentioned in the context of the research paper results in the web search results, but no other independent sources confirm this specific enzyme group's function.
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http://websites.milonic.com/oldje.com/
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https://www.xnxx.com/video-uhut133/mature_e_pelose_parte_1
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https://www.freexpussy.com/search/old-man-sniff-young-girls-…
info
Claim 5: “these enzymes act cooperatively with UDP-glycosyltransferases (UGTs) to generate structurally diverse water-soluble lignan glucosides through sequential oxidation and glucosylation reactions”
SINGLE SOURCE
The specific mechanism involving CYP706V12–V14 and UDP-glycosyltransferases (UGTs) is described in the context of the research paper, but not corroborated by other independent scientific sources in the provided evidence.
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https://en.wikipedia.org/wiki/2025_Seattle_Seahawks_season
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https://www.seahawks.com/schedule/
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https://www.seahawks.com/
info
Claim 6: “Researchers at the Suntory Foundation for Life Sciences uncovered a previously unknown metabolic system that enables sesame seeds to extensively remodel lignan metabolism during germination”
SINGLE SOURCE
While the evidence mentions the Suntory Foundation for Life Sciences in a general context, the specific claim about uncovering a metabolic system for lignan remodeling is only supported by the context of the specific research paper mentioned in other claims, not by independent general knowledge sources.
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wikipedia NEUTRAL — Keizō Saji (佐治敬三, Saji Keizō) (November 1, 1919 – November 3, 1999) was a Japanese businessman and art patron. Saji founded the Suntory Museum of Art and Suntory Hall in Tokyo. He was Suntory’s second…
https://en.wikipedia.org/wiki/Keizo_Saji
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wikipedia NEUTRAL — The list of UCLA Anderson School of Management alumni includes graduates, professors and administrators affiliated with the UCLA Anderson School of Management, who are notable enough to have a Wikiped…
https://en.wikipedia.org/wiki/List_of_UCLA_Anderson_School_o…
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wikipedia NEUTRAL — Sir Timothy John Besley, (born 14 September 1960) is a British academic economist who is the School Professor of Economics and Political Science and Sir W. Arthur Lewis Professor of Development Econo…
https://en.wikipedia.org/wiki/Tim_Besley
+ 3 more evidence sources
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Claim 7: “distinct from the previously characterized sesamin oxidase CYP92B14, which acts during seed maturation”
CORROBORATED
Two separate web search results explicitly distinguish the new enzymes from CYP92B14 and confirm that CYP92B14 acts during the seed maturation phase.
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web search NEUTRAL — During seed development, sesame accumulates hydrophobic lignans such as sesamin.This system operates specifically during germination, distinct from pathways active during seed maturation, enabling dyn…
https://phys.org/news/2026-06-sesame-dynamically-rewires-lig…
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web search NEUTRAL — Distinct from the previously elucidated sesamin oxidase CYP92B14—which exerts its influence predominantly in the seed maturation phase—these CYP706V enzymes are specifically active during germination.
https://bioengineer.org/sesame-dynamically-reshapes-lignan-m…
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web search NEUTRAL — Recombinant CYP92B14 converts (+)-sesamin to (+)-sesamolin and, unexpectedly, (+)-sesaminol through an oxygenation scheme designated as oxidative rearrangement of α-oxy-substituted aryl groups (ORA).
https://pmc.ncbi.nlm.nih.gov/articles/PMC5735135/
info
Claim 8: “these compounds rapidly decrease during germination and are converted into water-soluble glucosides”
SINGLE SOURCE
One specific web search result explicitly states that these compounds decrease during germination and are converted into water-soluble glucosides. Other sources mention the existence of water-soluble lignans but not the specific conversion process during germination.
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web search NEUTRAL — Jun 5, 2026 ... While these compounds rapidly decrease during germination and are converted into water-soluble glucosides, the molecular mechanism ...
https://www.eurekalert.org/news-releases/1131189
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web search NEUTRAL — Glycosylated water-soluble lignans, Sesaminol Triglucoside (STG), Inline ... However, supplementation with sesamin at both low and high doses was observed to ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC11049391/
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web search NEUTRAL — Jan 20, 2023 ... ... with sesaminol had the ability to reduce lipids and arachidonic acid levels in humans. They also reported that the lignans from the sesame seed ...
https://www.tandfonline.com/doi/full/10.1080/87559129.2023.2…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.