Composition containing moutan root bark extract as active ingredient
A technology of the root bark and composition of Paeonia suffruticosa is applied in the field of compositions containing the extract of Paeonia suffruticosa root bark as an active ingredient, and can solve the problems of adhesion to clothing, excessive dosage, difficulty in controlling the amount of uniform coating, etc.
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Embodiment 1-11
[0068] Example 1-11: Preparation of plant extracts
[0069] Buy the root bark of tree peony sold for medicinal purposes, that is, the root bark of Paeoniaceae (Peony). The peony root bark is completely dried and crushed, and then passed through a 1.18-mm sieve. 10 kg of each of the solvents listed in Table 1 below were separately added to 1 kg of pulverized tree peony root bark, and then left at room temperature for 8 hours. After that, it was extracted at 45°C for 12 hours, and then filtered with a Wattman#6 filter to obtain a filtrate. Under reduced pressure at 60°C, the filtrate was concentrated in a distillation apparatus with a condenser to obtain an extract.
[0070] The yield of the Paeonia suffruticosa root bark extract of each solvent is shown in Table 1 below.
[0071] Solvent
[0072] Experiment 1
[0073] 1. Patch test
[0074] The skin irritation of peony root bark extract was studied by patch test.
[0075] Each plant e...
Embodiment 12-16
[0093] Example 12-16: Preparation of Liquid Sterilizer
[0094] The sterilizing and disinfecting composition containing the peony root bark and natural herbal substances of Examples 1-11 can produce the function of masking the odor, which is mixed with purified water and ethanol, and prepared as shown in Table 4 below (unit: wt%).
[0095] The bactericidal ability was measured according to the strain reduction rate measurement method (shaking flask method), in which observations began with inoculation of Escherichia coli (KCTC 1682), Staphylococcus aureus (KCTC1621), and Salmonella typhimurium (KCTC 1925) 24 The reduction rate of bacteria after hours, these strains are easy to find in daily life, and the results are shown in Table 4 below.
[0096] Composition ingredients
[0097] It can be seen from Table 4 above that the peony root bark extract of the present invention still maintains excellent antibacterial activity, even when they are liquids and solutions...
Embodiment 17-21
[0099] Prepare antibacterial agents according to the combination ratio in Table 5 below, and verify their antibacterial activity.
[0100] Example
[0101] It can be seen from Table 5 above that the antibacterial agent containing the ethyl acetate extract of peony root bark and the antibacterial compound has excellent antibacterial and antifungal activity.
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