WO2021232125A2 - Composições biológicas naturais antibacterianas e antivirais, compostos, processo de obtenção e seu uso. - Google Patents
Composições biológicas naturais antibacterianas e antivirais, compostos, processo de obtenção e seu uso. Download PDFInfo
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- WO2021232125A2 WO2021232125A2 PCT/BR2021/050207 BR2021050207W WO2021232125A2 WO 2021232125 A2 WO2021232125 A2 WO 2021232125A2 BR 2021050207 W BR2021050207 W BR 2021050207W WO 2021232125 A2 WO2021232125 A2 WO 2021232125A2
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- WIPO (PCT)
- Prior art keywords
- propolis
- ricinolamide
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- compound
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Classifications
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- A—HUMAN NECESSITIES
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- A61K31/216—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
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- A—HUMAN NECESSITIES
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- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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- A—HUMAN NECESSITIES
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- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/08—Amines; Quaternary ammonium compounds containing oxygen or sulfur
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/10—Animals; Substances produced thereby or obtained therefrom
- A01N63/14—Insects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline
- A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/56—Materials from animals other than mammals
- A61K35/63—Arthropods
- A61K35/64—Insects, e.g. bees, wasps or fleas
- A61K35/644—Beeswax; Propolis; Royal jelly; Honey
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- the present invention deals with natural biological antibacterial and antiviral compositions with application in the hospital and home area, in particular, biocide compounds, which comprise ricinoleic acid from the extraction of castor oil, diethanolamine and propolis, process for obtaining the compounds and its use.
- biocide compounds which comprise ricinoleic acid from the extraction of castor oil, diethanolamine and propolis, process for obtaining the compounds and its use.
- the present invention can be used to control various pathogenic microorganisms, such as bacteria belonging to the Staphylococcus, Pseudomonas, Enterobacter and Bacillus genera as well as hospital environment fungi (filamentous and yeast) and phytopathogenic fungi ( Colletrotichum fragariae).
- the products can be used on biotic and abiotic surfaces by spray application and then using a non-woven fabric to remove organic matter, including microorganisms.
- the products can also be used in the disinfection of medical, dental and hospital items, by immersion followed by a quick rinse. Due to its low toxicity, it can be used to sanitize hands and forearms, and can be used as a disinfectant soap.
- the present invention provides totally clear biocide compositions resulting from the association of ricinoleic acid from the extraction of castor oil, diethanolamine and propolis in order to enhance the antibacterial and antiviral activity.
- the final compounds of the association result in a completely clear solution and with colloid stability, since the propolis is easily incorporated into the mixture of ricinoleic acid and diethanolamine (called Ricinolamide), without forming micelles that could result in a cloudy solution.
- Ricinolamide ricinoleic acid and diethanolamine
- Biocides are also used for water treatment, in the leather industry and in oil production, among many other areas.
- PI0807634 refers to biocidal compositions comprising dialkylamides, and their use as solvents or dispersants for biocides.
- the technical problem solved by this document is the solubilization and dispersion of biocides, preventing the formation of crystals in the solution, increasing shelf life and reducing the risk of clogging filters and nozzles during the application of the biocide.
- US patent 9,783,435 reports methods for controlling organisms by applying biocide compositions comprising castor oil and/or derivatives with activity to kill or inhibit the proliferation of microorganisms, wherein the composition comprises ricinoleic acid, castor oil and diethanolamine .
- the composition comprises ricinoleic acid, castor oil and diethanolamine .
- it presents a method for controlling viruses comprising a step of contacting between a medium comprising viruses and a biocide composition comprising from 40% to 100% by volume of ricinoleic acid and from 0% to 60% by volume of oil. beaver (castor oil).
- This document further discloses a method to prevent corrosion on surfaces and inhibit the action of sulfate-reducing bacteria and bacteria responsible for biocorrosion, to control microorganisms or barnacles, more preferably to control BRS at oil drilling sites or to control the growth of barnacles on parts of ships.
- the design of the present invention resulting from the association of ricinoleic acid from the extraction of castor oil, diethanolamine and propolis, is based on a formula that improved existing technologies and brought solutions to the problem of achieving high efficacy antibacterial with synergistic activity, which is not achieved individually by each of the components.
- Propolis is a product made by bees from plant sources such as sprouts and exudates.
- the word propolis comes from the Greek and means pro, in defense of e polis the city.
- Bees collect this resinous and/or balsamic material, consisting of secondary metabolites produced by plants. Secondary metabolites are substances that plants produce to defend themselves against predators, viruses, bacteria and fungi. Therefore, if bees use this material to produce propolis, it was to be expected that it would have the same defense properties. This fact has been proven over almost a hundred years of research in different parts of the world with different types of propolis, showing its effectiveness against microorganisms, tumors and strengthening the immune system (Marcucci, 1995).
- Propolis has proven antimicrobial activity, being effective in fighting bacteria, fungi and viruses. There are numerous reports reporting its bactericidal power in Gram positive and negative bacteria (Miorin et al., 2003; Veiga et al., 2017).
- Brazilian propolis extracts were studied against poliovirus type 1 (PV1) from polio, influenza (flu), HIV, H1 N1 , viral hepatitis, herpes virus type 1 and type 2, virus involved in dengue hemorrhagic fever and in coronavirus of origin animal (Urushisaki et al., 2011 ; Takeshita et al., 2013; Soroy et al., 2014; Peng et al., 2016; Yildirim et al., 2016; Mounieb et al., 2017; Governa et al., 2019; Munstedt, 2019).
- PV1 poliovirus type 1
- Ricinoleic acid is the main component of the oil extracted from castor bean seeds ( Ricinus communis L.) having in its composition fatty acids in addition to flavonoids and other compounds (Upaisini et al., 2003).
- the essential oil from the leaves of Ricinus communis L. was analyzed by gas chromatography coupled to a mass detector (GC-MS) and bioassays performed. Five constituents of the oil have been identified.
- the antimicrobial activity was investigated, evaluating its efficacy against twelve bacteria and four species of fungi, namely: Staphylococcus aureus 1327, Staphylococcus epidermidis, Micrococcus luteus, Enterococcus faecalis, Enterobacter cloacae, Staphylococcus aureus 25923, Bacillus ceretilis, Pseudomonas aeruginosa 27853, Klebsiella pneumoniae WH024, Escherichia coli 25922 and the fungi: Botrytis cinerea, Fusarium solani, Penicillium digitatum and Aspergillus niger.
- the essential oil showed strong antimicrobial activity against all microorganisms tested with the highest sensitivity to Bacillus subtilis, Staphylococcus aureus and Enterobacter cloacae. Cytotoxic and apoptotic effects of the essential oil on HeLa cell lines were examined by the MTT assay. The cytotoxicity of the oil was quite strong with IC50 values below 2.63 mg/mL (Zarai et al., 2002). In general, the following activities were described for castor oil: antidiabetic, antibacterial and antifungal, insecticide, antioxidant, anti-inflammatory, analgesic, antitumor, antiasthmatic (Rana et al., 2012) laxatives (Cruz e Silva, 2017) among others.
- the propolis used in the present invention is called BRPX, rich in prenylated compounds.
- the present invention is comprised of biocidal compositions arranged in liquid and clear form, obtained through a specific obtaining process and a general composition based on defined proportions of ricinoleic acid from the extraction of castor oil and propolis.
- a biocidal composition comprising: a) 1.4 to 5.0% by weight of ricinoleic acid selected from the group consisting of fatty acids;
- propolis selected from the group consisting of prenylated compounds
- Example of embodiment of the invention - Composition with bactericidal and antiviral effect (Table 1).
- the present embodiment of the invention had the following technical characteristics, in addition to having a clear and translucent appearance, with color ranging from amber to water white, when in the proportion of 7% ricinolamine to 0.1% propolis.
- Physicochemical characteristics Table 2.
- Table 2 Physicochemical characteristics of the compound in the formulation in the proportion of 7% ricinolamine to 0.1% propolis.
- the dispersed antigen phase droplet sizes are less than 10 micrometers and poorly dispersed.
- the head of the swab rod was stored in sterile tubes, previously identified with the point number and experimental treatment (pre- or post-disinfection). Transport was carried out in a Styrofoam box with rigid reusable ice.
- the culture media used (USP, 2013) were Brain Heart Infusion Agar (BHI) for the growth of heterotrophic bacteria and Potato Dextrose Agar (PDA) for molds and yeasts.
- BHI Brain Heart Infusion Agar
- PDA Potato Dextrose Agar
- each tube received 9 ml of sterile saline solution and was vigorously shaken in circular motions using a tube shaker at maximum speed for 30 s, before surface plating and incubation (APHA, 1998).
- 0.1 ml of the sample solution was pipetted onto the surface of PDA agar and spread with the aid of a Drigalski loop previously sterile with flammable alcohol and flamed in a Bunsen burner. After five minutes, the plates were incubated in a bacteriological incubator at 28 °C.
- a bacteriological incubator at 28 °C.
- 1 ml of saline solution was pipetted by shaking (cell suspension) into sterile Petri dishes and then BHI Agar, still liquid, however previously cooled, was added and incubated in a bacteriological oven at 36 °C. The plates were kept in the greenhouses for a minimum of 72 hours before counting the Colony Forming Units (CFU).
- CFU Colony Forming Units
- the biocidal compound, object of the invention showed the greatest effectiveness (Figure 2).
- the product showed satisfactory efficacy as a disinfectant against bacteria (Table 3) as well as against fungi (Table 4), as it decontaminates most of the microorganisms present on the different surfaces tested, with efficacy equal to or superior to the other two products (Table 5).
- a fact that should also be considered is its characteristic of being derived from castor bean, complying with one of the principles of green chemistry (LEONARDO et al. 2003).
- Other important points are the fact that the natural biological biocide of the present invention does not attack surfaces and has a short action time. Bacteria were identified by classical methods and testing on modified Rugai medium.
- FIG. 2 the microbial growth collected on the surface of the surgical site after application of the biocide of the invention (left) is shown and without application (right), note that each opaque spot on the surface of the BHI agar medium represents a CFU.
- the present invention provides a totally clear natural biocide composition resulting from the association of ricinoleic acid from the extraction of castor oil, diethanolamine and propolis in order to enhance the antibacterial and antiviral activity.
- the compound resulting from the association is completely clear, since the propolis is easily incorporated into the mixture of ricinoleic acid and diethanolamine, without forming micelles that could result in a cloudy solution. Due to the biocide's detergent properties, the propolis dissolves, forming a clear solution, and a larger amount of propolis can be used in the formulation, depending on the use.
- the composition preferably comprises 1.4 to 5.0%, more preferably 2.0 to 4.0%, by weight of ricinoleic acid.
- Ricinoleic acid is added to diethanolamine.
- the reaction of ricinoleic acid (A) with diethanolamine (B) produces an amide (C) called Ricinolamide. In this reaction, amide formation and water loss occur.
- Ricinoleic acid is preferably selected from commercial batches.
- the compound comprises from 1.4 to 5.0%, more preferably 2.0 to 4.0%, of ricinoleic acid.
- Diethanolamine is preferably selected from commercial batches.
- the compound comprises from 0.5 to 2.0%, more preferably from 1.0 to 1.5%, of diethanolamine.
- Another aspect of the present invention relates to a process for obtaining an amide compound with antibacterial and antiviral effect, comprising the steps of:
- the yield of the reaction of ricinoleic acid with diethanolamine, forming the amide is 95.5%.
- the propolis used in the present invention is called BRPX, rich in prenylated compounds, as described below:
- total phenolic compounds 9.0 to 10.0%, total flavonoids between 2.5 to 3.5%, insoluble residues between 35 .0 to 45.0%, solids soluble in ethanol between 45.0 to 50.0%, moisture (loss on desiccation) between 4.0 to 5.0% and wax content between 9.0 and 10.0% .
- Fig. 3 is presented the analysis of the same sample by high performance liquid chromatography (HPLC).
- HPLC high performance liquid chromatography
- the quantitative analysis of these markers showed contents of: p-coumaric acid (1) between 1.5 to 2.0%; PHCA (2) between 0.3 to 0.5%; Artepillin-C (3) between 3.0 and 5.0; DPB (4) between 0.3 to 5.0%.
- the antioxidant activity, evaluated by the DPPH radical decolorization method (Veiga et al., 2017) was between 5.0 to 15.0 ⁇ g/mL.
- Propolis presents a great difficulty of solubilization in water, forming micelles and clouding the solution.
- Some companies have launched propolis-based products on the market, stating on the label that they are aqueous extracts.
- propolis-based products As the main characteristic of propolis is to be a resinous substance, whose bioactive compounds are practically insoluble in water, except p-coumaric acid and caffeoylquinic acids, it is not expected that clear solutions are presented. Due to the support characteristic of the main bioactive compounds, these in contact with water form micellar structures, as shown in Fig. 4.
- One way to solubilize propolis forming a clear solution is to add a base, such as sodium hydroxide, to the water.
- the propolis acids (major compounds) react with the base, forming salt and water, but the final solution, although clear, has basic characteristics, with the pH being between 8.0 and 9.0, not being suitable for human consumption.
- Figure 4 - The circled area corresponds to a "cream" formed on the walls of the container, indicating the incompatibility of propolis with water.
- the propolis should preferably be present at 0.1 to 3.0%, more preferably from 0.2 to 1.0%, by weight of the composition.
- the biocidal compound, object of this invention can be used to develop various sanitizing detergent products for household use, agricultural (cleaning of machinery, floors, surfaces and animals), hospital (sanitization and disinfection). Examples include product presentations in the form of lotions, gels, sprays, shampoos and so on.
- the antibacterial and antiviral benefits are provided by the compound of the invention with fast action and therefore, it is especially suitable for incorporation in biocidal products.
- the compound of the invention is formulated to have a pH of 7.5 to 8.5, preferably between 8 and 8.3, wherein the effectiveness of the synergistic interaction between ricinoleic acid, diethanolamine and propolis is seen as a maxim.
- the biocidal compound can also be used to clean and disinfect topical areas such as wounds and therefore can be formulated as a gel or ointment.
- Invention Formulations
- Control 3% propolis (solution in ethanol or DMSO): 3 g of the product in 100mL (final volume in a volumetric flask, fix the meniscus with ethanol or DMSO).
- Quantity of actives p-coumaric acid (1 ) from 0.045 to 0.06% (450 to 600 ⁇ g/mL); 3-prenyl-4-hydroxycinnamic acid (2) from 0.009 to 0.015% (90 to 150 ⁇ g/ml); 3,5-diprenyl-4-hydroxycinnamic acid (3) between 0.09 to 0.15% (900 to 1500 ⁇ g/ml); 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoic acid (4) between 0.009 to 0.15% (90 to 1500 ⁇ g/ml).
- Biocidal composition 1 0.2% propolis and 5% ricinolamide: 5g ricinolamide and 0.2g propolis. Amount of active ricinolamide: 4.8%. Quantity of actives: p-coumaric acid (1 ) from 0.003 to 0.004% (30 to 40 ⁇ g/mL); 3-prenyl-4-hydroxycinnamic acid (2) from 0.0006 to 0.001% (6 to 10 ⁇ g/mL); 3,5-diprenyl-4-hydroxycinnamic acid (3) between 0.006 to 0.01% (60 to 100 ⁇ g/ml); 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoic acid (4) between 0.0006 to 0.01% (6 to 100 ⁇ g/ml).
- Biocidal composition 2 0.5% propolis and 3% ricinolamide: 3g ricinolamide and 0.5g propolis. Amount of active ricinolamide: 2.86%. Quantity of actives: p-coumaric acid (1 ) from 0.0075 to 0.01% (75 to 100 ⁇ g/mL); 3-prenyl-4-hydroxycinnamic acid (2) from 0.0015 to 0.0025% (15 to 25 ⁇ g/mL); 3,5-diprenyl-4-hydroxycinnamic acid (3) between 0.015 to 0.025% (150 to 250 ⁇ g/ml); 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoic acid (4) between 0.0015% to 0.025% (15 to 250 ⁇ g/ml).
- Biocidal composition 3 0.1% propolis and 7% ricinolamide: 7g ricinolamide and 0.1 g propolis. Amount of active ricinolamide: 6.68%. Quantity of actives: p-coumaric acid (1 ) from 0.0015 to 0.002% (15 to 20 ⁇ g/mL); 3-prenyl-4-hydroxycinnamic acid (2) from 0.0003 to 0.0005% (3 to 5 ⁇ g/ml); 3,5-diprenyl-4-hydroxycinnamic acid (3) between 0.003 to 0.005% (30 to 50 ⁇ g/ml); 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoic acid (4) between 0.0003 to 0.005% (3 to 50 ⁇ g/ml).
- Biocidal composition 4 3% propolis and 2% ricinolamide: 2g ricinolamide and 3g propolis.
- Amount of active ricinolamide 1.90%.
- Quantity of actives p-coumaric acid (1 ) from 0.045 to 0.06% (450 to 600 ⁇ g/mL); 3-prenyl-4-hydroxycinnamic acid (2) from 0.009 to 0.015% (90 to 150 ⁇ g/ml); 3,5-diprenyl-4-hydroxycinnamic acid (3) between 0.09 to 0.15% (900 to 1500 ⁇ g/ml); 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoic acid (4) between 0.009 to 0.15% (90 to 1500 ⁇ g/ml).
- Method of preparation a) Weigh from 0.1 to 3.0 g of propolis in a 100 mL beaker previously tared; b) Weigh from 2.0 to 7.0 g of ricinolamide in a 50 mL beaker previously tared; c) Heat the ricinolamide to 50 °C; d) Pour the ricinolamide into the 100 ml beaker where the propolis was weighed; e) Mix gently with the aid of a glass stick; f) Put water, at 40 oC, in the 50 mL beaker until it is almost full; g) After the ricinolamide is completely mixed with the propolis, gradually add the water contained in the 50 mL beaker to this mixture, stirring gently; h) Transfer the mixture to a 100 mL flask; i) Add water to the 50 mL beaker and continue pouring it into the 100 mL flask using a Pasteur pipette
- Ricinolamide 2,2-dimethyl-8-prenyl-2H-1-benzopyran-6-propenoate [0070] Ricinolamide (Fig. 5/A) mixes easily with the dry ethanol extract of propolis, called the “soft extract” . Form a solution with oily characteristics (Fig. 5/B). The process of preparing the mixture must be carried out with very gentle agitation so as not to incorporate air bubbles.
- FIG. 5 Containers showing ricinolamide (Fig. 5/A), ricinolamide with the soft extract of propolis without alcohol (Fig. 5/B), the aqueous solution of ricinolamide with propolis (Fig. 5/C ) and the alcoholic tincture of propolis in water (Fig. 5/D).
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Abstract
Description
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CA3175496A CA3175496A1 (en) | 2020-05-19 | 2021-05-18 | Natural antibacterial and antiviral biological compositions, compounds, method for obtaining same, and use thereof |
CN202180036065.XA CN115942943A (zh) | 2020-05-19 | 2021-05-18 | 天然的抗菌和抗病毒的生物组合物、化合物、其获得方法及其用途 |
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US17/924,173 US20230226003A1 (en) | 2020-05-19 | 2021-05-18 | Natural antibacterial and antiviral biological compositions, compounds, method for obtaining same, and use thereof |
MX2022014050A MX2022014050A (es) | 2020-05-19 | 2021-05-18 | Composiciones biologicas naturales antibacterianas y antivirales, compuestos, proceso de obtencion y su uso. |
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IL297968A IL297968A (en) | 2020-05-19 | 2021-05-18 | Natural antibacterial and antiviral compositions and compounds, methods of obtaining them and their use |
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CA3175496A1 (en) | 2021-11-25 |
JP2023525680A (ja) | 2023-06-19 |
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AU2021275159A1 (en) | 2023-01-05 |
PE20240011A1 (es) | 2024-01-04 |
BR102020009939A2 (pt) | 2021-11-30 |
MX2022014050A (es) | 2022-11-30 |
ZA202213486B (en) | 2023-10-25 |
CO2022016756A2 (es) | 2022-11-29 |
WO2021232125A3 (pt) | 2022-04-21 |
CN115942943A (zh) | 2023-04-07 |
KR20230012549A (ko) | 2023-01-26 |
US20230226003A1 (en) | 2023-07-20 |
CR20220634A (es) | 2023-04-28 |
IL297968A (en) | 2023-01-01 |
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