# Warning issued about the presence of pesticides in corn tortillas - The Mazatlan Post

> Conacyt, Mexico's science council, warned that glyphosate is present in a third of the corn tortillas consumed in Mexico. The agency described the herbicide as teratogenic and carcinogenic and linked it to GM crops. It urged government agencies to separate science policy from corporate interests.

- Date: 2019-09-23 · published 2019-09-23T12:00:00.000Z
- Category: policy · region Mexico · magnitude low
- Page: https://feedsoft.ai/events/57040-warning-issued-about-the-presence-of-pesticides-in-corn-tortillas-the-mazatlan
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

The warning is a health and policy statement with no announced restriction on corn or glyphosate. It is unlikely to move corn prices in the near term but could increase pressure on GM corn and glyphosate use over time.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2023-06-19 | [Mexican president moves to prioritize domestic corn for tortillas](https://feedsoft.ai/events/35483-mexican-president-moves-to-prioritize-domestic-corn-for-tortillas.md) | -2.2% | -17.4% |
| CORN | 2020-07-13 | [With the USMCA monopolistic companies would dominate the seed market in Mexico - The Mazatlan Post](https://feedsoft.ai/events/52080-with-the-usmca-monopolistic-companies-would-dominate-the-seed-market-in-mexico.md) | -1.6% | -5.7% |
| CORN | 2023-07-03 | [Mexico's ban on tortillas made using GMO corn is an argument that can be tasted : NPR](https://feedsoft.ai/events/35024-mexico-s-ban-on-tortillas-made-using-gmo-corn-is-an-argument-that-can-be-tasted.md) | +1.4% | -5.6% |
| CORN | 2021-07-13 | [Here's Why Parched Portions of the Corn Belt Matter in the Acreage Debate - AgWeb](https://feedsoft.ai/events/45920-here-s-why-parched-portions-of-the-corn-belt-matter-in-the-acreage-debate-agweb.md) | -10.7% | -12.3% |
| CORN | 2025-06-18 | [Reaping of the sow: China to reduce pig count by 1 million amid low prices, deflation risk \| South China Morning Post](https://feedsoft.ai/events/24183-reaping-of-the-sow-china-to-reduce-pig-count-by-1-million-amid-low-prices.md) | -3.0% | -4.3% |

## Sources

- themazatlanpost.com: https://themazatlanpost.com/2019/09/23/warning-issued-about-the-presence-of-pesticides-in-corn-tortillas/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.