Natural preservative and application thereof
A technology of natural preservatives and preservatives, applied in climate change adaptation, cosmetic preparations, skin care preparations, etc., can solve the problems of weak microbial killing ability, few types of preservatives, high skin sensitization rate, etc., to achieve The effect of reducing irritation and allergies, simple ingredients, and simple extraction and fermentation methods
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Embodiment 1
[0032] The preparation of embodiment 1 plant fermentation broth
[0033] (1) crushing hypericum, passing through a 40-mesh sieve, adding water equivalent to 10 times the mass of hypericum and mixing, ultrasonically extracting, and concentrating to obtain hypericum extract;
[0034] (2) crushing the dandelion, passing through a 40 mesh sieve, adding water equivalent to 8 times the mass of the dandelion and mixing, heating and boiling and ultrasonically extracting, and concentrating to obtain the dandelion extract;
[0035] (3) crushing honeysuckle, passing through a 40 mesh sieve, adding water equivalent to 5 times the quality of honeysuckle and mixing, ultrasonically extracting, and concentrating to obtain honeysuckle extract;
[0036] (4) mixing the plant extracts in (1)-(3), stirring, filtering, and sterilizing to obtain a mixture; the mixture is mixed with the sterilized culture medium to obtain a fermentation medium;
[0037] (5) the lactic acid bacteria are inoculated in...
Embodiment 3-5
[0054] Example 3-5 Natural preservatives
[0055] Due to the poor stability of the plant fermentation broth, it is easy to separate out solids after standing, and it is compounded with lavender essential oil and paeonol to obtain a stable natural preservative.
[0056] Table 2 Composition of natural preservatives in parts by weight
[0057] lavender essential oil Pentylene glycol Paeonol plant fermentation broth Example 3 6 servings 12 servings 3 copies 70 servings Example 4 8 servings 15 servings 1 serving 55 servings Example 5 1 serving 5 servings 5 servings 80 servings Comparative Example 3 0 copies 0 copies 0 copies 70 servings Comparative Example 4 6 servings 12 servings 3 copies 0 copies Comparative Example 5 6 servings 12 servings 0 copies 70 servings Comparative Example 6 6 servings 12 servings 0 copies 0 copies Comparative Example 7 0 copies 0 copies 3...
Embodiment 6
[0067] Example 6 The antibacterial effect of the natural preservative of the present invention in cosmetics
[0068] The natural preservative of the invention can be used to prepare various types of cosmetics with antiseptic requirements, and prolong the shelf life of the cosmetics.
[0069] 1. Taking the cream as an example, the formula of the cream is as follows:
[0070] Group 1: Butylene Glycol 3.0%, Glycerin 3.0%, Carbomer 0.2%, C14-22 Alcohol 1%, C12-20 Alkyl Glucoside 2.0%, Glyceryl Stearate 1.5%, Cetearyl Alcohol 1.0%, vegetable squalane 5.0%, isononyl isononanoate 5.0%, caprylic / capric triglyceride 4.0%, dimethicone 2.0%, bisabolol 0.3%, 4-tert-butyl ring Hexanol 1.5%, Ceramide 3 9%, Vitamin E acetate 0.2%, Natural preservative 0.05%, Cholesterol 5%, Dimethylsilanol hyaluronate 2%, Low molecular weight sodium hyaluronate (200kDa -400kDa) 0.3% and acetylated sodium hyaluronate 0.2%, water balance.
[0071] The natural preservative is the composition of the weight po...
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