Biotechnology and Food Research, MTT Agrifood Research Finland, FI-31600 Jokioinen, Finland. virpi.ahola@mtt.fi|Biotechnology and Food Research, MTT Agrifood Research Finland, FI-31600 Jokioinen, Finland. virpi.ahola@mtt.fi|Biotechnology and Food Research, MTT Agrifood Research Finland, FI-31600 Jokioinen, Finland. virpi.ahola@mtt.fi|Biotechnology and Food Research, MTT Agrifood Research Finland, FI-31600 Jokioinen, Finland. virpi.ahola@mtt.fi