Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2016 Jul 28;23(20):20609–20618. doi: 10.1007/s11356-016-7222-z

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

PMC Copyright notice

Fig. 1 — Chromatograms of low-molecular-weight organic acids of standards (a) and in mushrooms collected from unpolluted (b) and polluted (c) areas. Peaks: oxalic acid (1), formic acid (2), malic acid (3), malonic acid (4), lactic acid (5), acetic acid (6), maleic acid (7), citric acid (8), fumaric acid (9), and succinic acid (10)