EP3752127A1 - Procede d'obtention d'un extrait enrichi en acide rosmarinique a partir de matiere vegetale fraiche - Google Patents
Procede d'obtention d'un extrait enrichi en acide rosmarinique a partir de matiere vegetale fraicheInfo
- Publication number
- EP3752127A1 EP3752127A1 EP19703764.1A EP19703764A EP3752127A1 EP 3752127 A1 EP3752127 A1 EP 3752127A1 EP 19703764 A EP19703764 A EP 19703764A EP 3752127 A1 EP3752127 A1 EP 3752127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extract
- juice
- rosmarinic acid
- plant material
- officinalis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- ZZAFFYPNLYCDEP-HNNXBMFYSA-N Rosmarinsaeure Natural products OC(=O)[C@H](Cc1cccc(O)c1O)OC(=O)C=Cc2ccc(O)c(O)c2 ZZAFFYPNLYCDEP-HNNXBMFYSA-N 0.000 title claims abstract description 48
- DOUMFZQKYFQNTF-MRXNPFEDSA-N rosemarinic acid Natural products C([C@H](C(=O)O)OC(=O)C=CC=1C=C(O)C(O)=CC=1)C1=CC=C(O)C(O)=C1 DOUMFZQKYFQNTF-MRXNPFEDSA-N 0.000 title claims abstract description 48
- TVHVQJFBWRLYOD-UHFFFAOYSA-N rosmarinic acid Natural products OC(=O)C(Cc1ccc(O)c(O)c1)OC(=Cc2ccc(O)c(O)c2)C=O TVHVQJFBWRLYOD-UHFFFAOYSA-N 0.000 title claims abstract description 48
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
- A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/53—Lamiaceae or Labiatae (Mint family), e.g. thyme, rosemary or lavender
-
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Definitions
- the present invention relates to the field of plant material extraction. It relates more particularly to a process for obtaining an extract enriched in rosmarinic acid from fresh plant material, the extract thus obtained, a composition comprising such an extract as well as the uses of a composition comprising such an extract.
- the by-products obtained during the transformation of plants can also represent a resource of bioactive, aromatic, antioxidant phytochemicals. It is thus possible to use or revaluate the by-products (ie non-volatile compounds, solid and liquid co-products), which are obtained by various distillation techniques, in order to improve the commercial feasibility of the production of bioactive compounds of different plants.
- the disclosed transformation method is nevertheless carried out from a dry plant and makes it possible to obtain hydrodistillation by-products, through different in vitro tests using different solvents, to evaluate their antioxidant properties.
- conventional techniques use preferentially organic and / or aqueous solvents, generally at atmospheric pressure, such as by for example hydrodistillation, maceration (Kamdem et al., "Anfioxidan ⁇ activify, genotoxicity and cytotoxicity evaluation of lemon balm [Melissa officinalis L.) ethanolic extrac ⁇ : Its potential role in neuroprotection", 2013; Lin et al.
- the solvent systems most commonly used for the extraction of rosmarinic acid are: water, ethanol or aqueous ethanol, methanol or aqueous methanol; ethyl acetate can also be used for extraction.
- the extraction is generally from dried leaves reduced to the state of powder.
- compositions comprising extracts containing rosmarinic acid obtained from dried plant material such as medicinal granules containing an extract of Radix Nofoginseng (CN 101439066), a functional food and a pharmaceutical composition comprising a Salvia extract are known. miltiorrhiza to prevent thrombus (KR200801 1200) or an extract of Prunella vulgaris plant containing a total phenolic acid extract (CN101332229).
- patent document WO2015040135 discloses a process for obtaining a juice of fresh plants, in which said fresh plants, excluding seeds alone, are subjected to a thermomechanical treatment in the absence of a solvent, followed a juice recovery operation.
- the extrusion of the fresh aerial parts thawed (20h at 2 ° C) of lemon balm makes it possible to obtain a juice with nearly 50% yield and containing 6, 5% dry matter.
- This material contains among others rosmarinic acid.
- the content of rosmarinic acid in the dry matter extracted by extrusion, without organic solvent, is 2.4% (w / w).
- a problem to be solved by the invention is to develop a plant in its entirety, creating the least waste possible and using co-products.
- the process developed according to the invention makes it possible to obtain a deodorized extract, in the form of a granulated powder, and enriched with rosmarinic acid, from a fresh plant material not deteriorated by drying or grinding. It is a process using no solvent.
- the extracts thus obtained can be advantageously used in particular for the antioxidant properties of rosmarinic acid.
- the subject of the invention is therefore a process for obtaining an extract enriched in rosmarinic acid from fresh vegetable material chosen from aerial parts, flowering tops, flowers and / or fresh leaves of plants of the Lamiaceae family, Araliaceae, Boraginaceae, Apiaceae, Poaceae and Malvaceae, characterized in that it comprises the successive stages of:
- the subject of the invention is a granulated extract or in the form of a fine powder, preferably granulated, containing at least 5% of rosmarinic acid by weight relative to the total weight of the extract that can be obtained by the process according to the invention.
- the subject of the invention is also a composition
- a composition comprising, in a physiologically acceptable medium, an extract obtainable by the method according to the invention from fresh plant material chosen from aerial parts, flowering tops, flowers and / or leaves. fresh plants of the family Lamiaceae.
- composition according to the invention in the food and cosmetic fields, or a composition according to the invention for its use as a nutraceutical or medicament in humans and / or animal.
- FIG. 1 shows a diagram of an embodiment of the process for obtaining according to the invention of a lemon balm extract (MeZ / ssa officinalis L.) from aerial parts of fresh lemon balm;
- FIG. 2 represents a FIPLC-DAD spectrum result showing the characteristic peak of rosmarinic acid contained in a lemon balm extract obtained according to the invention.
- FIG. 3 represents a comparative measurement with PAOT Technology® of the antioxidant activity of a lemon balm extract obtained according to the invention compared to that of known antioxidants.
- the invention relates to a process for obtaining an extract enriched in rosmarinic acid from fresh vegetable material chosen from among the parts aerial, flowering tops, flowers and / or fresh leaves of plants of the family Lamiaceae, Araliaceae, Boraginaceae, Apiaceae, Poaceae and Malvaceae, preferentially Lamiaceae.
- Rosmarinic acid (of the formula below) is a polyphenol derived from an ester of caffeic acid. It exists as isomers c / s ef frans; the isomer of rosmarinic acid is the natural isomer, which when exposed to the light of day is transformed into the isomer c / s.
- Fresh or moist plant material means a living organism part of the plant kingdom which comprises at least 70% water by weight of its total weight, for example a water content of 80-90%, typically about 85% of water, before or after loss to desiccation related to the picking in particular.
- the plant material extracted is derived from essentially biological culture.
- the plant material extracted is chosen from sage (Salvia ssp), borage (Borago officinalis L), Java tea (Orthosiphon aristatus), ivy (Hedera Helix L), perilla (Perilla frutescens), l white nettle (Lamium album), coleus (genus Coleus, Solenostemon or Plectranthus), rosemary (Rosmarinus officinalis), lavender (Lavandula ssp), thyme (Thymus vulgaris L.), small-leaved lime (Tilia cordafa Mill.), orchardgrass (Dacfylis glomerafa L), fescue (Fesfuca rubra L), bromegrass (Bromus inermis and Bromus marginafus), oregano (Origanum vulgare), European lycope (Lycopus europaeus), common magnitudeella (Prunella vulgaris), mint (Menfha piper
- the plant material extracted is chosen from sage (Salvia ssp), rosemary (Rosmarinus officinalis), oregano (Origanum vulgare), mint (Menfha piperifa), savory (Safureja horfensis L), lemon balm [ Melissa officinalis L), more preferably still rosemary, oregano, melissa.
- the plant material extracted is melissa [Melissa officinalis L].
- the freshly picked plant material can be kept in the state for a maximum of a few hours, for example from a few minutes to 5 hours, for example 1, 2, 3, 4 or 5 hour (s), e ⁇ es ⁇ preferentially used as quickly as possible within 5 hours after picking, otherwise they will degrade and lose some or all of their properties.
- fresh vegetable material advantageously makes it possible to avoid a drying step which may be energy-consuming and / or which may lead to a deterioration of the color (oxidation) and the degradation of certain molecules of potential interest such as rosmarinic acid.
- the process according to the invention is carried out for obtaining an extract enriched in rosmarinic acid from the whole fresh plant material, or advantageously from the aerial parts, flowering tops, flowers and / or fresh leaves.
- the method according to the invention comprises the successive steps of:
- Bleaching is a superficial heat treatment of a few minutes, at a temperature of between 70 ° C and 100 ° C, intended to destroy enzymes that may affect fresh raw materials. Bleaching reduces the initial microbial load by inactivating heat-sensitive microorganisms. The temperatures used are lethal for yeast as well as for most molds and aerobic microorganisms.
- the bleaching is preferably carried out at atmospheric pressure (of the order of 1 bar) at a temperature of 100 ° C.
- the bleaching is carried out for a few minutes to 2 hours, preferably for less than 2 hours, for example 1 minute, 10 minutes, 30 minutes, up to 1 hour, more preferably for 10 minutes.
- the bleaching step provides a plant material advantageously deodorized.
- Such a short-lived steam treatment step also makes it possible to preserve and preserve the antioxidant molecules of interest, such as rosmarinic acid.
- the bleached and deodorized plant material is then continuously pressed with at least one compression screw, under a pressure of between 4 and 10 bar, preferably between 5 and 6 bar, for example of the order of 6 bar.
- the pressing step is preferably carried out at a temperature of between 40 ° C. and 80 ° C., preferably at a temperature of the order of 60 ° C.
- the expression (or pressing) is preferentially carried out with a compression screw, at a power of at least 7.5 kW.
- the compression screw advantageously used has dimensions of the order of 3.5 meters x 0.9 meters x 1.8 meters e ⁇ a weight of 1700 kg.
- the continuous expression under pressure makes it possible to obtain a residual cake of plant material (solid co-product) intended for compost and a liquid product which is recovered.
- the liquid juice thus recovered is then filtered, preferably at 100 miti. More preferably, the filtration is rotary filtration performed with a self-cleaning filter 100 miti.
- the filtration has a flow rate of less than 10 m 3 / h.
- the clarified juice (liquid) is finally atomized to obtain a granular extract or in the form of a fine powder, preferably granulated, containing at least 5% (w / w) of rosmarinic acid by weight relative to the total weight of the extract.
- the extract thus obtained contains between 5-10% of rosmarinic acid by weight of the total weight of the extract.
- Juices (liquid juices) from fresh plants have a high water content which gives them the ability to be atomized.
- this is the case of lemon balm juice.
- Atomization is the dehydration of a solution in powder form by evaporating the solvent (usually water), by passing through a stream of hot air.
- the solution is first sprayed in the form of fine droplets in the upper part of a tower called atomizing chamber, by means of sprayers. These fine droplets at the same time meet a flow of hot air against the current, thus allowing the evaporation of the solvent and drying.
- solvent usually water
- sprayers sprayers
- a drying oven including the atomizing chamber, a cyclone, and
- Three types of sprayers can be used: the centrifugal turbine, the nozzles under liquid pressure, the bi-fluid nozzle.
- the liquid With centrifugal turbines, the liquid is brought to the center of a turbine driven by means of gears.
- the liquid subjected to centrifugal force is ejected in fine droplets.
- spraying is effected by the passage of liquid through an orifice, the dispersion energy being provided by the liquid itself, conveyed under pressure.
- the liquid is fed at a relatively low pressure.
- the dispersion in droplets is made by a high speed compressed air.
- Atmospheric air is drawn through filters that are adapted to local conditions and to the product to be dried. Air can be heated in two ways: by direct heating (electricity, gas) or indirectly (steam, oil, gas).
- a "simple effect" or "a time” atomization implies a very short residence time in the drying tower (from 20 to 60 seconds).
- the liquid is dried in the heat flow and then recovered at the bottom of the tower at the level of the cyclone or the bag filter. There is only one passage in the heat flow.
- the first generations of these towers are flat-bottomed. In the second generation, the bottom becomes conical.
- a single-effect atomizer does not allow the granulation of the atomized powder. Indeed, after passing through the atomization chamber, it ⁇ ⁇ sent directly to the bottom of the tower to the static fluidized bed. The powder thus obtained is of relatively small particle size.
- the powders obtained are of fine quality and generally have a fair flow.
- a “multiple effects” or “two-step” atomization implies a longer residence time (a few minutes) and thus approaches the thermodynamic equilibrium.
- the lighter particles less than 50 miti
- the fines remain in the upper part of the furnace and are driven by the airflow to the cyclone.
- they can be returned to the atomization chamber, thus meeting the fine droplets of sprayed solutions and creating agglomerates of larger or smaller size which then allows granulation of the powder.
- the heaviest particles are directed at the static fluidized bed in the lower part of the furnace. In this step, the solid particles still have residual moisture, which will not allow direct conditioning at the exit of the tower. Therefore, a flow of hot air is directed under the fluidized bed thus allowing unclogging e suspension of the wet powder to finish the drying step.
- a second fluidized bed can be integrated in the atomization chain in the form of an external vibrating bed, also called a vibro-fluidiser, positioned just after the atomization chamber. It makes it possible to finalize the drying of the powder formed by cooling it to allow conditioning at a maximum temperature of 50 ° C., preferably between 25 ° and 35 ° C.
- the powder thus obtained has a better flow (fluidity) and better solubility than a powder obtained without granulation, because the grain size is higher and the contact surface between the liquid and the hot air flow is the same. more important.
- a higher particle size also makes it possible to reduce the presence of powdery particles and thus to improve the working conditions of the operators and to reduce the possible risks of explosion.
- the atomization carried out according to the invention is a multiple atomization effects in two fluids.
- the method according to the invention makes it possible to obtain a preferentially biological extract titrated with at least 5% rosmarinic acid without using a solvent, with a ratio advantageously of 7-10 / 1 (plant / final product titrated).
- a second subject of the invention relates to a granular extract or in the form of a fine powder, containing at least 5% (w / w), advantageously 5-10%, of rosmarinic acid by weight relative to the total weight of the extract.
- a granular extract or in the form of a fine powder containing at least 5% (w / w), advantageously 5-10%, of rosmarinic acid by weight relative to the total weight of the extract.
- the extract according to the invention is more preferably obtained from a plant material chosen from sage (Salvia ssp), rosemary (Rosmarinus officinalis), oregano (Origanum vulgare), mint (Menfha piperita), savory (Satureja hortensis L), lemon balm (Melissa officinalis L), even more preferably rosemary, oregano, lemon balm, more preferably still lemon balm.
- Such extracts are very difficult to characterize as such because they vary according to the plant material used, between two species of plants, and also for the same species, according to various factors such as the parts used, the place of harvest, or the same. year of harvest.
- granule or powder
- granule is meant a collection of heterogeneous solid particles, generally less than one millimeter in size, dispersed in a continuous gas phase.
- the granular media exhibit a particular behavior, intermediate between that of the solids and that of the liquids.
- the coulabilifé is one of those which most interest the industrialists.
- the powders can be classified in two categories: the powders of large size called “granulated” (greater than 100 miti), for which the force of gravity outweighs the cohesive forces, e ⁇ which therefore flow easily; e ⁇ inversely for so-called “fine” powders of small size (less than or equal to 100 miti), for which the flow is difficult.
- the extract obtained according to the invention is in the form of granules.
- Another subject of the invention relates to a composition
- a composition comprising, in a physiologically acceptable medium, an extract obtainable by the process according to the invention.
- a physiologically acceptable medium refers to a medium suitable for use in contact with human animal cells, in particular epidermal cells, without toxicity, irritation, undesired allergic response, and proportionate to a benefit / benefit ratio. reasonable risk.
- composition according to the invention comprises between 0.1% and 100%, preferentially 0.3% to 96%, of the granular exfray, or in the form of a fine powder, preferably granulated, containing at least 5% of rosmarinic acid, for example 1%, 10%, or 50%, by weight of the total weight of the composition.
- composition according to the invention is formulated in a form suitable for oral administration or for topical application to the skin, preferably for oral administration.
- composition according to the invention may be in various forms acceptable for topical application, especially in solid form or in liquid form, depending on the physiologically acceptable medium used.
- the topical composition may be in the form of a water-in-oil (W / O) or oil-in-water (O / W) emulsion, suspension, gel, paste, cream, lotion, solution, for example an aqueous solution, alcoholic, hydro-alcoholic or oily, powder.
- W / O water-in-oil
- O / W oil-in-water
- composition according to the invention can be formulated to be administered orally.
- the dosage forms used may be in solid or liquid form.
- Solid oral forms are generally tablets, hard capsules (capsules), soft capsules, sachets comprising a powder or granules.
- Liquid oral forms are generally oral solutions, syrups, elixirs, oral emulsions, oral suspensions, drinkable drops.
- the extract that can be obtained according to the process of the invention is enriched in rosmarinic acid (at least 5% w / w). Rosmarinic acid has, in particular, sedative, antispasmodic, carminative, antimutagenic, antibacterial, antiviral, anti-inflammatory and especially antioxidant properties.
- compositions according to the invention are used in the food and cosmetics fields.
- compositions according to the invention may also be intended to be used in the pharmaceutical, herbal or animal health fields, in particular for their antioxidant properties as a nutraceutical or medicinal product in humans and / or animal.
- compositions may be advantageously used in the treatment of headache, nervousness, gastrointestinal disorders, bronchitis, depression, hysteria, rheumatism, flatulence, nausea, anemia, dizziness, syncope, asthma, amenorrhea, heart failure, cardiac conduction disorders, insomnia, epilepsy, psychosis, ulcers, wounds.
- They can also be used in the prevention of Alzheimer's disease, thanks to their ability to inhibit acetylcholinesterase and their antioxidant activity.
- compositions according to the invention can be used for their choleretic, antispasmodic, mild sedative, carminafif, sympafholyfic or anti-depressive beneficial effect.
- the juice thus obtained is then filtered by rotary filtration with a 100 ml self-cleaning filter to obtain a clarified juice with a loss of 20%, ie recovery of 160 kg of clarified juice (step 3).
- the recovered clarified juice is finally atomized.
- the melissa solution has been prepared (clarified juice)
- it is then brought and then sprayed into the atomization chamber by means of three bi-fluid nozzles.
- the bi-fluid nozzles allow the low-pressure solution to be sent via a co-flow compressed air jet ⁇ at the top of the tower.
- the hot air stream (170 ° to 200 ° C.) on the upper part of the tower, the water contained in the droplets of melissa solution is evaporated, thus causing the formation of solid particles.
- the finer particles In multiple atomization effects, the finer particles, less than 50 miti, remain at the top of the atomization chamber and are carried away by the current of air (60 to 100 ° C) in the cyclone. They are then redirected into the chamber, thus allowing granulation of the solid particles. The larger particles fall on the static bed, where a hot air flow (60 to 100 ° C) completes the drying of the lemon balm particles.
- This gives a deodorized granulated brown powder comprising 45-65% of particles greater than 400 miti, 30-50% of particles between 200 miti-400 miti and 0-10% of particles between 100 miti-200 miti, with a atomization efficiency of the order of 70-80% (step 4).
- the by-products obtained resulting from the process according to the invention can also be recovered and used as compost.
- the results obtained confirm that the extracts (granules) obtainable by the process according to the invention contain at least 5%, advantageously between 5-10%, of rosmarinic acid by weight relative to the total weight of the extract. .
- Such extracts e ⁇ the compositions comprising them benefit from the known advantageous properties of rosmarinic acid in particular, such as sedative, antispasmodic, carminafive, antimufagene, antibacterial, antiviral, anti-inflammatory and especially antioxidant properties.
- compositions according to the invention can thus have an improved antioxidant effect and can be used in the food field (as a dietary supplement) and, depending on the patient, may also be intended for use in the pharmaceutical field. as nufraceufique, herbal medicine or animal health especially for their antioxidant properties.
- Example 4 Process for obtaining an oriaan extract (Oriaanum vulaare
- Step 1 300 kg of fresh aerial parts of oregano (Origanum vulgare L.) from organic culture is bleached 1 hour after picking, with steam at 100 ° C for 15 min-1 h ( Step 1 ).
- the juice is filtered over 100 miti by rotary filtration to obtain a clarified juice with a loss of 10%, a recovery of 54 kg of clarified juice ready to be flash pasteurized (step 3).
- the juice obtained is titrated between 0.3 and 1% of rosmarinic acid, preferably 0.5% and 1%; its dry matter content can vary between 3 and 12%, preferably from 4 to 10%. For example, we obtained a clarified juice at 5% dry matter.
- the recovered clarified juice is finally atomized and assayed under conditions identical to those of Example 3.
- the rosmarinic acid content of the oregano extract thus obtained is greater than 5%, preferably greater than 8%.
- a titer of 9.8% rosmarinic acid by weight relative to the total weight of the extract is obtained.
- Example 5 Process for obtaining a rosemary extract (Rosmarinus officinalis L.)
- step 2 35 kg of juice (liquid co-product) ⁇ obtained after continuous expression greater than 40 ° C, with at least one pressurized compression screw between 4 and 10 bar, for example 6 bar, bleached plant material (yield of about 35% between fresh plant and juice) (step 2).
- the juice is filtered over 100 miti by rotary filtration to obtain a clarified juice with a loss of 10%, ie a recovery of 31.5 kg of clarified juice ready to be flash pasteurized (step 3).
- the juice obtained is titrated between 0.3 and 1% of rosmarinic acid, preferably 0.5% and 1%.
- the rosmarinic acid titre obtained is 0.51%; its dry matter content can vary between 3 and 12%, preferably from 5 to 10%. For example, we obtained 8.5% dry matter.
- the recovered clarified juice is finally atomized and assayed under conditions identical to those of Example 3.
- the rosmarinic acid content of the rosemary extract thus obtained is greater than 5%.
- Antioxidants are molecules of various origins capable of neutralizing the activated and toxic forms of oxygen (singlet oxygen, superoxide anion, hydrogen peroxide and peroxyl radicals, hydroxyl radical) and to slow down the degradation of certain organic materials or compounds following effects of oxidation.
- Total antioxidant activity is the ability of a compound or set of antioxidant compounds to trap free radicals. It can be evaluated using various conventional measuring techniques (DPPH, TEAC (ABTS), ORAC, FRAP) and with a modern method (developed by the European Institute of Antioxidant IEA) "PAOT Liquid Technology®”: Power AnfiOxydan ⁇ Total.
- PAOT Technology® is more accurate because it measures all the antioxidant molecules present in the extract, unlike other conventional tests. This can be explained by the fact that the standard methods do not take into account the nature, the specificity of the antioxidants, or the solvent / extract interaction.
- PAOT Technology® is a method for directly measuring the total antioxidant and oxidative activity of various products such as raw materials (fruit / vegetables, tea), processed food products, as well as cosmetic and medicinal preparations.
- the PAOT / POT® technology is based on the electrochemical nature of the oxidation-reduction reactions (antioxidant / oxidant balance). The principle is based on potentiometry, ie the change in the ratio of the oxidized and reduced forms of the components of the medium. This change results from the variation of the concentrations of the oxidized / reduced forms during the reaction (1) for the antioxidants and the reaction (2) for the oxidants:
- the total antioxidant power of a product is expressed in PAOT Score® units (PAOT Score / l or PAOT Score® / g product) which measures the ability of a product to neutralize free radicals. This index is used to select products that provide the best antioxidant protection. It is obtained by PAOT Technology® and can be expressed in relation to reference antioxidants.
- the antioxidant activity of the lemon balm extract according to the invention is compared with that of known antioxidant compounds.
- the equivalence is expressed in g of reference per gram of product. The higher the equivalence value, the greater the efficiency of the product.
- the total antioxidant capacity (PAOT®) of a 1 gram of melissa extract according to the invention is thus equivalent to that of 489 mg of vitamin E ( ⁇ -focopherol), 195 mg of vitamin C (ascorbic acid), 284 mg of Trolox, 220 mg of butylated hydroxyanisole (BHA) and 250 mg of butylated hydroxytoluene (BHT).
- the extract according to the invention therefore has an antioxidant activity as revealed by the in vitro test of PAOT liquid Technology®.
Abstract
Description
Claims
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FR1870166A FR3077732B1 (fr) | 2018-02-15 | 2018-02-15 | Procede d’obtention d’un extrait enrichi en acide rosmarinique a partir de matiere vegetale fraiche |
PCT/EP2019/053710 WO2019158654A1 (fr) | 2018-02-15 | 2019-02-14 | Procede d'obtention d'un extrait enrichi en acide rosmarinique a partir de matiere vegetale fraiche |
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EP19703764.1A Pending EP3752127A1 (fr) | 2018-02-15 | 2019-02-14 | Procede d'obtention d'un extrait enrichi en acide rosmarinique a partir de matiere vegetale fraiche |
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US (1) | US11458179B2 (fr) |
EP (1) | EP3752127A1 (fr) |
CN (1) | CN111727032B (fr) |
BR (1) | BR112020016589A2 (fr) |
FR (1) | FR3077732B1 (fr) |
WO (1) | WO2019158654A1 (fr) |
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DE3010040C2 (de) | 1980-03-15 | 1985-05-02 | A. Nattermann & Cie GmbH, 5000 Köln | Verfahren zur Gewinnung von Rosmarinsäure aus Melisse |
CN1217659A (zh) * | 1996-03-14 | 1999-05-26 | 彼得·格雷德 | 从新鲜植物中制取耐储藏制品的方法以及新鲜植物制品 |
KR100898509B1 (ko) * | 2007-06-18 | 2009-05-20 | 계명대학교 산학협력단 | 단삼 추출물을 포함하는 혈전 형성 예방용 기능성 식품 및 약학 조성물 |
US20090000751A1 (en) * | 2007-06-29 | 2009-01-01 | Caifang Yin | Bleaching process with at least one extraction stage |
CN101439066B (zh) * | 2007-11-22 | 2013-08-21 | 天士力制药集团股份有限公司 | 一种含三七提取物的中药颗粒及其制备方法 |
CN101332229B (zh) * | 2008-01-23 | 2012-05-09 | 上海海天医药科技开发有限公司 | 夏枯草属植物提取物及其药物用途 |
US20120201935A1 (en) * | 2011-02-08 | 2012-08-09 | Nutrinova Nutrition Specialties & Food Ingredients Gmbh | Sweetness enhancer, sweetener compositions, methods of making the same and consumables containing the same |
FR3010613B1 (fr) | 2013-09-18 | 2020-12-04 | Fabre Pierre Dermo Cosmetique | Obtention d'un jus de plantes fraiches par traitement thermomecanique et son utilisation en cosmetique et therapeutique |
CN104490994A (zh) * | 2014-12-18 | 2015-04-08 | 民权鼎昕生物科技有限公司 | 一种从迷迭香中提取脂溶性和水溶性抗氧化剂的方法 |
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- 2019-02-14 US US16/969,432 patent/US11458179B2/en active Active
- 2019-02-14 EP EP19703764.1A patent/EP3752127A1/fr active Pending
- 2019-02-14 BR BR112020016589-1A patent/BR112020016589A2/pt active IP Right Grant
- 2019-02-14 CN CN201980013327.3A patent/CN111727032B/zh active Active
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US20210000901A1 (en) | 2021-01-07 |
WO2019158654A1 (fr) | 2019-08-22 |
CN111727032B (zh) | 2023-09-01 |
CN111727032A (zh) | 2020-09-29 |
FR3077732B1 (fr) | 2020-11-13 |
FR3077732A1 (fr) | 2019-08-16 |
BR112020016589A2 (pt) | 2020-12-15 |
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