The invention discloses coffee flavoured
kidney tonifying purple sweet potato fermented yoghourt. The coffee flavoured
kidney tonifying purple sweet potato fermented yoghourt is prepared from the following raw materials in parts by weight: 200-220 parts of purple sweet potatoes, 10-12 parts of
skimmed milk powder, 15-20 parts of coffee beans, 8-10 parts of black sesame, 0.3-0.5 part of Chinese chestnut
polysaccharide, 4-5 parts of
hericium erinaceus
powder, 6-8 parts of guava pulp, 4-6 parts of
polygonatum odoratum, 2-4 parts of folium cortex eucommiae, 3-5 parts of wolfberry, 2-3 parts of
semen cuscutae, 5-6 parts of freeze-dried
sea cucumber powder, 10-12 parts of glucose, right amount of
streptococcus thermophilus and right amount of
lactobacillus bulgaricus. The purple sweet potato fermented yoghourt disclosed by the invention has the advantages that micropore treatment is firstly carried out on purple sweet potato powder in a production process, so that
fermentation of the purple sweet potato powder is more thorough, and yield is increased; meanwhile, the obtained purple sweet potato fermented yoghourt is fine and smooth in tissue, uniform in texture, moderately sour and sweet, uniform in colour and moderately sticky. The coffee beans and the black sesame are added, so that the yoghourt product has unique flavours of coffee and black sesame and can improve
appetite; and traditional Chinese medicines such as folium cortex eucommiae and wolfberry are added, so that the yoghourt product has the healthcare effects of tonifying
kidney and building body.