Low vitamin concentration in grape juice can lead to fermentation difficulties. Vitamin deficiency can result naturally due to adverse grape growing conditions. Vitamin deficiency can also occur as a result of juice handling processes prior to fermentation, such as juice heating and pasteurisation, sulphur dioxide additions and fining. 

maurivit™ is a powder mixture of pure vitamins free from amino acids and inorganic nitrogen. The concentration of vitamins is optimal for promoting yeast growth and fermentation rate.

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