Laboratoires Expanscience

Pharmascience Inc.

Laboratories Expanscience

Minafin

Jacques Legrand

Philippe Msika

Antoine Piccirilli

Alex Saunois

Eglantine Mercier

Sebastien Garnier

Caroline Baudouin

Sébastien Garnier

Nicole Broutin

Sandrine Bardet

The invention relates to a method for the solid/liquid extraction of an oil or butter, particularly having a high unsaponifiable content, contained in at least one solid vegetable matter or a micro-organism. The method includes at least the following steps: solid/liquid extraction of at least one solid vegetable matter or a micro-organism using a first solvent system comprising a concentration of solvent selected from among fluorinated aromatic solvents, particularly trifluorotoluene (BTF) and hexafluorobenzene (BHF), tert-butyl ethers, particularly 2-ethoxy-2-methylpropane, also known as ethyl-tert-butyl-ether (ETBE), and 2-methoxy-2-methylpropane or methyl-tert-butylether (MTBE), solvents comprising at least one silicon atom, particularly hexamethyldisiloxane (HMDS) and tetramethylsilane (TMS), methyl-tetrahydrofuran (MeTHF), and mixtures thereof, representing at least 50 vol.-% in relation to the total volume of the solvent system; and, optionally, recovery of a fraction comprising the oil or butter, particularly unsaponifiable enriched. The invention also relates to an unsaponifiable fraction, oil or butter obtained using this method and to compositions containing said oil or fraction.

Solid/liquid extraction

The present invention relates to an extraction process of an unsaponifiable fraction contained in an oil or a vegetable butter, in an oil originating from a micro-organism, in a concentrate of oil or butter or of oil originating from a micro-organism, or in a co-product of the refining industry for vegetable oils, such as deodorization exhaust and distillates of physical refining, or oils originating from micro-organisms, comprising at least:

Liquid/liquid extraction with a solvent comprising at least 5 carbon atoms and 1 or 2 oxygen atoms

The present invention relates to the use of at least one vegetable oil refining industry by-product to obtain a purified total unsaponifiable of vegetable oil cleared of the impurities initially present in the said by-product, advantageously cleared of sapid and odorous compounds and/or chemical compounds resulting from the deterioration and the degradation of vegetable oils. The invention further relates to a method for obtaining a purified total unsaponifiable of vegetable oil from at least one vegetable oil refining industry by-product. The invention further relates to a purified total unsaponifiable of vegetable oil able to be obtained by this method, as well as compositions containing such an unsaponifiable. The invention further relates to such unsaponifiables or such compositions for the use thereof as a drug, medical device, dermatological agent, cosmetic agent or nutraceutical, in humans or animals.

Use of at least one coproduct from the vegetable oil refining industry for obtaining a purified total unsaponifiable vegetable oil product

The present invention relates to the use of avocado peels in order to obtain avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to a method for obtaining avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols from at least avocado peels, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, obtainable by this method. Lastly, the invention relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, for use as a drug, advantageously in the in the prevention and/or treatment of conjunctive tissue disorders such as arthrosis, articular pathologies such as rheumatism, or periodontal diseases such as gingivitis or periodontitis.

Use of avocado skin for obtaining an avocado unsaponifiable material enriched with saturated aliphatic hydrocarbons and with sterols

The present invention relates to the use of whole soft avocados to obtain an avocado oil rich in unsaponifiable, said unsaponifiable containing aliphatic acetogenins and/or their derivatives. Advantageously, the oil has an acid value less than or equal to 3 mgKOH/g. The invention also relates to a process for obtaining an avocado oil rich in unsaponifiable from whole soft avocados. said unsaponifiable containing aliphatic acetogenins and/or their derivatives. The invention also relates to an avocado oil rich in unsaponifiable obtainable by this process. The invention also relates to the use of the avocado oil to prepare a concentrate of avocado oil enriched in unsaponifiable or an avocado unsaponifiable rich in aliphatic furans. Finally, the invention relates to an avocado unsaponifiable rich in aliphatic furans or a concentrate of avocado oil enriched in unsaponifiable, obtainable from said avocado oil, for its use as a drug, advantageously in the prevention and/or the treatment of connective tissue disorders such as arthrosis, articular pathologies such as rhumatisms, or parodontal disorders, such as gingivitis or parodontitis.

Use of whole soft avocados for preparing avocado oil rich in unsaponifiables

The present invention relates to the use of avocado seeds in order to obtain avocado oil enriched in alkyl polyols and/or acetylated derivatives thereof, said avocado seeds accounting for 10 to 50% by weight relative to the total weight of avocado used. The invention also relates to a method for obtaining avocado oil enriched in alkyl polyols or acetylated derivatives thereof from at least avocado seeds, said avocado seeds accounting for 10 to 50% by weight relative to the total weight of avocado used. The invention also relates to avocado oil enriched in alkyl polyols and/or acetylated derivatives thereof, obtainable by the present method. The invention also relates to the use of avocado oil in order to prepare an avocado oil concentrate enriched in alkyl polyols and/or acetylated derivatives thereof, or to prepare an avocado unsaponifiable enriched in alkyl polyols. Lastly, the invention relates to an avocado unsaponifiable enriched in alkyl polyols or an avocado oil concentrate enriched in alkyl polyols and/or acetylated derivatives thereof, obtainable from said avocado oil, for use as a drug, advantageously in the prevention and/or treatment of conjunctive tissue disorders such as arthrosis, articular pathologies such as rheumatism, or periodontal diseases such as gingivitis or periodontitis.

Use of avocado pit for obtaining an avocado oil enriched with alkyl polyols and/or acetylated derivatives thereof

The present invention relates to a process for the solid/liquid extraction of a natural extract contained in at least one vegetable solid or micro-organism comprising at least the following steps:

Solid/liquid extraction with a solvent comprising between 5 and 8 carbon atoms and 1 or 2 oxygen atoms

The invention relates to a method for the extraction of all unsaponifiable fraction contained in a vegetable oil, an oil originating from a micro-organism or a vegetable butter or in a co-product from the vegetable oil refining industry, such as deodorization discharge. The method includes at least: A) a step comprising the transformation of the aforementioned oils, butter or co-product from the vegetable oil refining industry or oils originating from micro-organisms into a hydro-alcoholic solution by means of, in particular, a step selected from saponification and esterification steps; B) a step comprising the extraction of the hydro-alcoholic solution in which the fatty fraction is separated from the unsaponifiable fraction by means of liquid/liquid extraction; and C) an optional step comprising the purification of the unsaponifiable fraction, selected from the group containing crystallization and liquid/liquid extraction steps. According to the invention, at least one step from the liquid/liquid extraction steps in step B, the crystallization steps in step C and the liquid/liquid extraction steps in step C is performed using a first solvent system containing a concentration of solvent selected from among: fluorinated aromatic solvents, particularly trifluorotoluene (BTF) and hexafluorobenzene (BHF); tert-butyl ethers, particularly 2-ethoxy-2-methylpropane, also known as ethyl-tert-butyl-ether (ETBE); solvents comprising at least one silicon atom, particularly hexamethyldisiloxane (HMDS) and tetramethylsilane (TMS); methyl-tetrahydrofuran (MeTHF); and mixtures thereof, representing at least 50 vol.-% in relation to the total volume of the solvent system. The invention also relates to the fractions obtained using this method and to compositions containing said fractions.

Liquid/liquid extraction

The invention concerns the use of at least a fatty ester for preparing a composition designed to inhibit 5&#x3b1;-reductase activity. Said use produces a remarkable inhibiting effect of 5&#x3b1;-reductase thereby providing a novel response for treating dermatological pathologies and/or disorders related to congenital or acquired exaggeration of 5&#x3b1;-reductase activity, in particular for treating prostatic hypertrophy, prostatic adenoma, acne, hyperseborrhea, alopecia and hirsutism. The invention also concerns cosmetic treatment methods, in particular for greasy skin, and the use of said fatty esters as additives in a food product for human and/or animal consumption.

Use of at least a fatty ester for preparing a composition designed to inhibit 5-&#x3b1;-reductase activity, in pharmacology, in particular dermatology, in cosmetics and as food additive

The present invention concerns a process for producing refined avocado oil rich in triglycerides. The invention also pertains to refined avocado oil rich in triglycerides obtainable by said process. Advantageously, the refined avocado oil of the invention contains a sterols-enriched unsaponifiable fraction. Advantageously, the refined avocado oil of the invention is substantially free of acetogenins and furanic lipids. The invention also concerns compositions containing said oil. The invention also pertains to such compositions for use as a medication, as a dermatological agent, as a cosmetic agent, or as a nutriceutical, for human or animal use.

Process for producing refined avocado oil rich in triglycerides, and oil obtainable by said process

The present invention relates to a process for obtaining a furan lipid-rich unsaponifiable material from avocado, which comprises the successive steps (1) of controlled dehydration of fresh avocados or of avocados that have undergone preliminary transformations, (2) of extraction of the oil from dehydrated fruit, (3) of a heat treatment of the extracted oil and of a step of concentration of the unsaponifiable fraction of the oil or alternately, these two operations possibly being carried out successively in this order or in the reverse order, and finally (4) a step of saponification and of extraction of the unsaponifiable material.

Method for producing an avocado unsaponifiable rich in furan lipids

Process for obtaining a furan lipid-rich unsaponifiable material from avocado

The invention concerns a method for extracting usaponifiable matters from a vegetable oil comprising at least a saponification step whereby the oil is transformed into a hydro alcoholic solution, a step for extracting the hydro alcoholic solution with a organic solvent such as chloro-1-butane, preferably the treated vegetable oil is avocado or soya oil.

Process for extracting unsaponifiable components of vegetable oils by means of 1-chlorobutane

The present invention relates to a method for producing an avocado leaf extract rich in furanic lipids, the raw material for which consists of avocado leaves, and which comprises the following steps: a liquid-solid extraction step followed by evaporation under vacuum, and a heat treatment step between 80 and 120&deg; C. which is continued for a period of between 5 and 72 hours, it being possible for these two steps to be carried out in this order or in the reverse order.

Growing community of inventors

Neuilly sur Eure, France

Jacques Legrand