Abstract
The use of mineral salt in natural fermentation of white cabbage into sauerkraut and sauerkraut juice, in order to evaluate whether the amount of NaCl could be lowered, was studied. Mineral salt differs from ordinary salt because NaCl is partially replaced by KCl. In the fermentations mineral salt was used in various amounts (0.81.5%) and in combination with garlic and algae. The final NaCl concentrations in these fermentation trials were 0.50.9%. Fermentations were also carried out with cabbage sliced to different degrees. The sauerkraut juice fermented by using 0.8% mineral salt (0.5% NaCl) was found to have the best sensory quality. The yield of sauerkraut juice increased as the coarseness of the cabbage mix decreased.;
Highlights
Fermented sauerkraut has a long history and is generally considered to be a health promoting product.Traditional sauerkraut fermentations have usually been carried out in the presence of rather highNaCl amounts
The decrease in pH was more rapid in the treatments in which 1.5% mineral salt was used compared to the pH drop in the treatments with 0.8% mineral salt
The symbols refer to the used mineral salt concentrations: 0.8% mineral salt (□ ▲), 1.5% mineral salt
Summary
Fermented sauerkraut has a long history and is generally considered to be a health promoting product. The fermentation of white cabbage into sauerkraut traditionally proceeds in the presence of. In this study we have further optimised the use of mineral salt NaCl) in natural fermentation of white cabbage. In this study white cabbage was cut into slices of different size and fermented using 0.8%. Mineral salt to study the impact of the coarseness of the cabbage on the resulting yield of sauerkraut juice. Fresh domestic garlic (0.2%) or Vacame algae from Japan (1%) was added to the sliced cabbage (cultivar Nosomi). In the third fermentation trial 0.8% mineral salt was used and white cabbage (cultivar Erdeno) was cut into slices of various sizes. The mineral salt has been produced for and marketed by Oriola Oy (Espoo, Finland)
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