16.
Puupponnen-Pimia R., Hakkinen S., Marjukka A., Suortii T., Lampi A., Eurola M., Piironen V., Nuutila A., Oksman-Caldentey K., 2003. Blanching and long-term freezing affect various bioactive compounds of vegetables in different ways. J. Sci. Food Agric. 83, 1389–1402.