Probiotics-rich mulberry and litchi powder and preparation method thereof
A technology of probiotics and lychee powder, applied in the directions of bacteria, lactobacillus, bifidobacteria, etc. used in food preparation, can solve the problems of mechanical damage of bacteria and the decrease of the number of live probiotic bacteria, so as to reduce damage and improve live bacteria. content, the effect of improving immunity
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[0023] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:
[0024] 1) Preparation of fruit juice: beating and filtering mulberry fruit and lychee to obtain mulberry fruit juice and lychee juice;
[0025] 2) concentrating: concentrating and sterilizing the mulberry juice and litchi juice to obtain the concentrated mulberry juice and the concentrated litchi juice;
[0026] 3) Activation of strains: inoculate the probiotics on the medium for anaerobic culture;
[0027] 4) Preparation of the mother starter: take a part of the lychee concentrated juice, inoculate the probiotics activated in step 3), leave it to ferment, and obtain the mother starter;
[0028] 5) The first fermentation: add the mother starter to the remaining lychee juice concentrate, and leave it to ferment;
[0029] 6) Fermentation for the second time: adding the fermented liquid of step 5) into the concentrated fruit juice of mulberry fruit, and let stand to ferme...
Embodiment 1
[0048] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:
[0049] 1) Preparation of fruit juice: fresh mulberry fruit and lychee pulp are beaten, then filtered with 100 mesh filter cloth to obtain mulberry fruit juice and lychee juice;
[0050] 2) Concentration: Take 100kg of mulberry juice and 200kg of litchi juice respectively, concentrate to 40kg and 100kg by vacuum rotary evaporation at 55°C, and sterilize at 95°C for 1min to obtain concentrated mulberry juice and concentrated litchi juice;
[0051] 3) Activation of strains: Add 0.1g of lactic acid bacteria to 1mL of sterile normal saline, shake evenly, then add to 10mL of sterilized lactic acid bacteria culture medium, and culture at 30°C for 30 hours; then follow the above operations in sequence Activation of Bifidobacteria and Saccharomyces cerevisiae;
[0052]Lactic acid bacteria medium: beef extract powder 10g, yeast powder 4g, peptone 10g, glucose 20g, Tween-80 1.08g,...
Embodiment 2
[0061] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:
[0062] 1) Preparation of fruit juice: fresh mulberry fruit and lychee pulp are beaten, then filtered with 100 mesh filter cloth to obtain mulberry fruit juice and lychee juice;
[0063] 2) Concentration: Take 100kg of mulberry juice and 200kg of litchi juice respectively, concentrate to 35kg and 70kg by vacuum rotary evaporation at 55°C, and sterilize at 95°C for 1min to obtain concentrated mulberry juice and concentrated litchi juice;
[0064] 3) Activation of strains: Add 0.1g of lactic acid bacteria to 1mL of sterile normal saline, shake evenly, then add to 10mL of sterilized lactic acid bacteria culture medium, and let it stand for anaerobic culture at 30°C for 24 hours; then follow the above operations in sequence Activation of Bifidobacterium and Saccharomyces cerevisiae;
[0065] Lactic acid bacteria medium: beef extract powder 10g, yeast powder 4g, peptone 10g, ...
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