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- Publications
- Influence
Selenium as an anti-oxidant and pro-oxidant in ryegrass
- H. Hartikainen, Tailin Xue, V. Piironen
- Chemistry
- Plant and Soil
- 2 December 2000
Selenium is an essential element for antioxidation reactions in human and animals. In order to study its biological role in higher plants, ryegrass (Lolium perenne) was cultivated in a soil without… Expand
Plant sterols: biosynthesis, biological function and their importance to human nutrition.
- V. Piironen, D. G. Lindsay, T. Miettinen, J. Toivo, Anna-Maija Lampi
- Biology
- 15 May 2000
Plant sterols are an essential component of the membranes of all eukaryotic organisms. They are either synthesised de novo or taken up from the environment. Their function appears to be to control… Expand
Antioxidative and growth-promoting effect of selenium on senescing lettuce
- Tailin Xue, H. Hartikainen, V. Piironen
- Chemistry
- Plant and Soil
- 5 August 2001
In human and animal cells, Se plays an essential role in antioxidation and exerts an antiaging function but it is toxic at high dietary intake. To increase its intake in forage and foodstuffs, Se… Expand
Contents of vitamins, mineral elements, and some phenolic compounds in cultivated mushrooms.
- P. Mattila, K. Könkö, +7 authors V. Piironen
- Medicine, Chemistry
- Journal of agricultural and food chemistry
- 26 April 2001
The aim of the study was to determine the contents of mineral elements (Ca, K, Mg, Na, P, Cu, Fe, Mn, Cd, Pb, and Se), vitamins (B(1), B(2), B(12), C, D, folates, and niacin), and certain phenolic… Expand
Tocopherol, tocotrienol and plant sterol contents of vegetable oils and industrial fats
- Heidi K. Schwartz, V. Ollilainen, V. Piironen, Anna-Maija Lampi
- Chemistry
- 1 March 2008
The tocopherol and tocotrienol (i.e. tocol) and plant sterol contents of 14 vegetable and 9 industrial fats and oils available on the Finnish market in 2005 were determined using NP-HPLC with… Expand
Sterol and vitamin D2 contents in some wild and cultivated mushrooms
- P. Mattila, Anna-Maija Lampi, Riitta Ronkainen, J. Toivo, V. Piironen
- Chemistry
- 1 March 2002
Abstract The contents of vitamin D 2 and sterols in some wild and cultivated mushrooms were determined, and the distribution of these compounds in different parts of the wild mushrooms was evaluated.… Expand
Determination of thermo-oxidation products of plant sterols.
- Anna-Maija Lampi, Laura Juntunen, J. Toivo, V. Piironen
- Chemistry, Medicine
- Journal of chromatography. B, Analytical…
- 25 September 2002
Plant sterols are subjected to oxidation when exposed to air and, especially, when heated at high temperatures. We developed a method to study thermo-oxidation of plant sterols. The method consisted… Expand
Blanching and long-term freezing affect various bioactive compounds of vegetables in different ways
- R. Puupponen-Pimiä, S. T. Häkkinen, +6 authors K. Oksman-Caldentey
- Chemistry
- 1 November 2003
An extensive study on the effects of blanching/freezing and long-term freezer storage on various bioactive compounds of more than 20 commonly used vegetables was performed. Effects were strongly… Expand
Phytochemicals and dietary fiber components in rye varieties in the HEALTHGRAIN Diversity Screen.
- L. Nyström, Anna-Maija Lampi, +12 authors V. Piironen
- Biology, Medicine
- Journal of agricultural and food chemistry
- 15 October 2008
Ten rye varieties grown in one location were analyzed for their contents of dietary fiber (arabinoxylan and beta-glucan) and phytochemicals (folate, tocols, phenolic acids, alkylresorcinols, and… Expand
Effect of Baking Method and Fermentation on Folate Content of Rye and Wheat Breads
- S. Kariluoto, L. Vahteristo, H. Salovaara, K. Katina, K. Liukkonen, V. Piironen
- Chemistry
- 2004
ABSTRACT The effect of baking method on folates of rye and wheat breads, as well as the effect of sourdough fermentation of rye, were examined. Sourdough fermentations were performed both with and… Expand