To obtain a clear extract, vinegar, jam and sugar candy or the like of carrot in high quality in a short time and under energy saving.

In this method, raw carrot is frozen, defrosted and squeezed, and is separated into a clear juice and sponge like solid, which are separately processed. Vinegar is manufactured by adding acetic acid bacteria or seed vinegar to a product after carrying out an alcoholic fermentation by inoculating yeast to the juice. The jam and sugar candy are obtained by boiling after absorbing a sugar liquid into the solid structure by immersing the solid in the sugar liquid.