Probiotics-containing care lotion for external use
A technology of probiotics and lotion, applied in the field of microorganisms, can solve problems such as skin irritation, unfavorable promotion and use, and toxic effects of lactobacilli, and achieve the effect of good synergistic performance and good application prospects
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Embodiment 1
[0021] An external care lotion containing probiotics, which is prepared by mixed fermentation of Streptococcus salivarius, Lactobacillus acidophilus and Lactobacillus rhamnosus;
[0022] Specifically, the preparation method of the lotion comprises the following steps:
[0023] Prepare culture medium: Add glucose 10g / L, yeast extract 5g / L, sodium acetate 2g / L, potassium dihydrogen phosphate 0.5g / L, magnesium sulfate heptahydrate 0.1g / L, ferrous sulfate heptahydrate 0.1 to deionized water g / L, adjust the pH to 7.0, steam at 121°C for 10 minutes, and naturally cool to room temperature to obtain a culture solution;
[0024] Fermentation: Streptococcus salivarius seed liquid, Lactobacillus acidophilus seed liquid and Lactobacillus rhamnosus seed liquid were mixed according to the volume ratio of 3:2:2 to obtain a mixed seed liquid, and the number of viable bacteria in the mixed seed liquid was controlled to be 10 8 cfu / ml; Inoculate the mixed seed liquid into the culture liquid ac...
Embodiment 2
[0027] An external care lotion containing probiotics, which is prepared by mixed fermentation of Streptococcus salivarius, Lactobacillus acidophilus and Lactobacillus rhamnosus;
[0028] Specifically, the preparation method of the lotion comprises the following steps:
[0029] Prepare culture medium: Add glucose 10g / L, yeast extract 5g / L, sodium acetate 2g / L, potassium dihydrogen phosphate 0.5g / L, magnesium sulfate heptahydrate 0.1g / L, ferrous sulfate heptahydrate 0.1 to deionized water g / L, adjust the pH to 7.0, steam at 121°C for 10 minutes, and naturally cool to room temperature to obtain a culture solution;
[0030] Fermentation: Mix the Streptococcus salivarius seed liquid, Lactobacillus acidophilus seed liquid and Lactobacillus rhamnosus seed liquid according to the volume ratio of 5:3:3 to obtain a mixed seed liquid, and control the number of live bacteria in the mixed seed liquid to 10 9 between cfu / ml; inoculate the mixed seed liquid into the culture liquid according...
Embodiment 3
[0033] Acute Toxicity Test
[0034] 40 rabbits were randomly divided into 4 groups, 10 in each group, half male and half male, and 10% sodium sulfide was used to depilate the back of the rabbits. The diameter of the depilated area was 3cm. The making of damaged skin adopts sterilized iron file to scratch (taking the degree of oozing blood), sprays 0.1, 0.5, 1.0 and 2.0ml of the preparation of the present invention respectively in the depilatory area after depilation, and raises each animal in separate cages, and after 24 hours of administration From 1, 24, 48, 72 hours to the seventh day, observe and record the animal's body weight, fur, luster, diet, eye and mucous membrane changes, respiratory center, nervous system, limb activity and death every day, and record the changes after seven days. Rabbits were sacrificed, and the changes in heart, liver, spleen, lung, kidney and other organs were observed by dissection.
[0035] Results: The lotion prepared by the present inventi...
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