Natural powerful bactericidal rose liquid soap and preparation method thereof
A technology of hand sanitizer and rose, which is applied in the field of daily chemical industry, can solve the problems of insufficient antibacterial and disinfection ability of hand sanitizer, skin damage, etc., and achieve the effect of superior antibacterial and disinfection ability, convenient implementation, and convenient industrial production
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Embodiment 1
[0017] The preparation of embodiment 1 natural strong antiseptic rose hand sanitizer
[0018] 1. Preparation of natural strong antiseptic rose hand sanitizer
[0019] Rose hand sanitizer prescription: 4g rose, 4g purslane, 4g skullcap, 4g berberine, 2g glycerin, 0.5g 10% fatty alcohol polyoxyethylene ether.
[0020] In the formula, rose, purslane, scutellaria baicalensis and coptis chinensis are the main functional substances, 10% m / v fatty alcohol polyoxyethylene ether is the nonionic surfactant, glycerin is the humectant, and water is the solvent.
[0021] The specific preparation steps are as follows: Weigh rose, purslane, scutellaria baicalensis, and coptis chinensis according to the prescription amount, crush them, extract with 30% v / v ethanol at 60°C under reflux for 4 hours, add absolute ethanol to ethanol in the extract The concentration is 70% v / v, the precipitate is removed by filtration, the ethanol is recovered from the filtrate, the prescription amount of glyceri...
Embodiment 2
[0028] Embodiment 2 Natural powerful antiseptic rose hand sanitizer removes DPPH free radical (diphenylpicryl free radical) test
[0029] The DPPH method was used to evaluate the free radical scavenging ability of natural strong antiseptic rose hand sanitizer, that is, the antioxidant capacity. Diphenylpicryl radical (DPPH) is a very stable nitrogen-centered radical.
[0030] 1. Add 160 μl of 0.1777 mmol / LDPPH solution to the 96-well plate.
[0031] 2. Add 80 μl / well of the sample solution to be tested, add an equal amount of absolute ethanol to the blank group, and mix well.
[0032] 3. Measure the absorbance at 520nm after 10 minutes.
[0033] 4. The measurement was repeated 3 times for each group of samples, and the average value was taken.
[0034] 5. Calculate the scavenging rate of free radicals. Clearance rate (%)=[1-(A sample / A blank]×100%
[0035] Table 1 The scavenging rate of hydroxyl free radicals by different hand sanitizer formulations
[0036] gro...
Embodiment 3
[0038] Embodiment 3 natural strong antibacterial rose hand sanitizer external antibacterial test
[0039] 1. Biomaterials
[0040] (1) Staphylococcus aureus ATCC29213 was purchased from American Type Culture Collection (ATCC).
[0041] (2) Escherichia coli Escherichia coli ATCC25922 was purchased from American Type Culture Collection (ATCC).
[0042] (3) Pseudomonas aeruginosa ATCC27853 was purchased from American Type Culture Collection (ATCC).
[0043] The antibacterial test operation was carried out on Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa by using the disc method (diameter 1cm). Take 10 μl of the test solution and drop it on a sterile paper, then place the paper in the culture medium, incubate at 37°C for 24 hours, and measure the zone of inhibition. The test results showed that the high and medium concentration samples of the rose hand sanitizer had better inhibitory effects on Staphylococcus aureus and Escherichia coli, while the 10-fold d...
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