The invention provides a low-salt additive-free
mushroom soy sauce which is prepared by the following method: taking a
mushroom variety 'Shenxiang 1513' as a
raw material, and performing
water extraction and concentration to obtain a
mushroom extract; and compounding the obtained
shiitake mushroom extract with the high-salt liquid-state fermented primary soy sauce according to the
mass ratio of 1: (50-100), homogenizing and sterilizing to obtain a finished product. The mushroom soy sauce prepared by the method is not added with any preservatives,
flavor enhancers and sweeteners, the content of
sodium in the final product is less than or equal to 5.7 g / 100mL, the content of
lentinan is more than or equal to 50mg / 100mL, the content of
amino acid nitrogen is more than or equal to 1.00 g / 100mL, and the mushroom soy sauce has the characteristics of
low salt, zero additive, high functional components and excellent
flavor, and conforms to the development trend of healthy condiments.