Issue 1, 2009

Cooking rice in a high water to rice ratio reduces inorganic arsenic content

Abstract

Total arsenic and arsenic speciation was performed on different rice types (basmati, long-grain, polished ([white] and wholegrain [brown]) that had undergone various forms of cooking. The effect of rinse washing, low volume (2.5 : 1 water : rice) and high volume (6 : 1 water : rice) cooking, as well as steaming, were investigated. Rinse washing was effective at removing circa. 10% of the total and inorganic arsenic from basmati rice, but was less effective for other rice types. While steaming reduced total and inorganic arsenic rice content, it did not do so consistently across all rice types investigated. Low volume water cooking did not remove arsenic. High volume water : rice cooking did effectively remove both total and inorganic arsenic for the long-grain and basmati rice (parboiled was not investigated in high volume cooking water experiment), by 35% and 45% for total and inorganic arsenic content, respectively, compared to uncooked (raw) rice. To reduce arsenic content of cooked rice, specifically the inorganic component, rinse washing and high volume of cooking water are effective.

Graphical abstract: Cooking rice in a high water to rice ratio reduces inorganic arsenic content

Article information

Article type
Communication
Submitted
29 Sep 2008
Accepted
12 Nov 2008
First published
20 Nov 2008

J. Environ. Monit., 2009,11, 41-44

Cooking rice in a high water to rice ratio reduces inorganic arsenic content

A. Raab, C. Baskaran, J. Feldmann and A. A. Meharg, J. Environ. Monit., 2009, 11, 41 DOI: 10.1039/B816906C

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Spotlight

Advertisements