Safe, eco-friendly, health protective herbal colours and aroma useful for cosmaceutical applications

Abstract

The invention relates to a novel safe and eco-friendly health protective and beauty enhancing herbal compositions having various cosmetic applications such as lipsticks, eye shadows, glow-glitters and rouges, said compositions containing colourants from plants of the family Boraginaceae, the invention also provides a method for preparing the said compositions. The invention also relates the use of lipsticks as a medium of aromatherapy.

1 - 47 . (canceled)  
   
   
       48 . A process for extraction of organic colorants from the plants, said process comprising obtaining the plant parts, extracting with organic solvents, removing the solvents by conventional methods, concentrating the extract under reduced pressure and optionally treating with acids or bases to produce various shades.  
   
   
       49 . A process for the extraction of organic colorants said process comprising the steps of: 
 a) drying the plant parts,    b) powdering the dried plant parts,    c) subjecting the dry powder obtained in step (b) to Soxhlet extraction at a temperature in the range of 40-80° C. or cold percolation with organic solvents at a temperature between 20 to 45° C.    d) concentrating the mixture of step (c) by conventional methods at reduced pressure in the range of 50-100 psi and at a temperature not exceeding 50° C.,    e) mixing the concentrate of step (d) with silica gel in the ratio 1:3 to 2:7 to obtain a slurry,    f) eluting the slurry with organic solvents resulting in various fractions,    g) concentrating the fractions at a pressure in the range of 50-100 psi resulting in herbal colorants, optionally treating the said colors with acids or bases to produce various shades, and    h) obtaining various colors from by treating the said fractions with acids or bases to produce colorants of various shades.    
   
   
       50 . A process as claimed in  claim 49 , wherein the organic solvent is selected from polar solvents, non-polar solvents or mixtures thereof.  
   
   
       51 . A process as claimed in  claim 49 , wherein the polar solvents are selected from acetone, chloroform, ethyl acetate, methanol and ethanol.  
   
   
       52 . A process as claimed in  claim 49 , wherein the non-polar solvents are selected from petroleum ether, hexane, toluene and cyclohexane.  
   
   
       53 . A process of extraction of herbal colorants from plants of the family Boraginaceae, which comprises: percolating powdered plant parts with alcohol at room temperature resulting in alcohol soluble herbal material, the said herbal material being concentrated by known means at pressures in the range of 50-100 psi and at a temperature in the range of 40-60° C., the said concentrate being made into a slurry with silica gel in a ratio in the range of 1:3 to 2:7, the said slurry being eluted by known means with organic solvents resulting in fractions, the said fractions further being concentrated by known methods at a pressure in the range of 50-100 psi resulting in herbal colorants, optionally treating the said colors with acids or bases to produce various shades.  
   
   
       54 . process as claimed in  claim 53  wherein the plants are selected from the group of plants belonging to the family Boraginaceae.  
   
   
       55 . A process as claimed in  claim 49 , wherein the plant parts are selected from root, stem and leaf the quantum of the essential oils used base on the part from which the essential oil is extracted.  
   
   
       56 . A process as claimed in  claim 49 , wherein the plant parts are dried at a temperature in the range of 30-45° C., in shade.  
   
   
       57 . A process as claimed in  claim 49 , wherein the dried plant parts are powdered to particle size in the range of 30-60 mesh.  
   
   
       58 . A process as claimed in  claim 53 , wherein the alcohol used is selected from group consisting of methanol and ethanol.  
   
   
       59 . A process as claimed in  claim 53 , wherein the organic polar solvents are selected from acetone, chloroform, ethyl acetate, methanol and ethanol.  
   
   
       60 . A process as claimed in  claim 53 , wherein the non-polar solvents are selected from petroleum ether, hexane, toluene and cyclohexane.  
   
   
       61 . A process as claimed in  claim 49 , wherein the ratio of polar and non-polar solvent caries according to the nature of the solvents.  
   
   
       62 . A process as claimed in  claim 49 , wherein the mixture of non-polar solvent to chloroform is prepared in the ratio of 99:1 to 0:100.  
   
   
       63 . A process as claimed in  claim 49 , wherein the colorants ranges from purplish red, cerise, ruby red, beetroot purple, dark violet, deep blue, blackish blue, pastel red, pale red, purplish red, rose red, cerise, ruby red, deep magenta, beet root purple, amaranth, dark purple, dark violet, deep violet, deep blue and blackish blue.  
   
   
       64 . A process as claimed in  claim 49 , wherein the acid used is selected from the group consisting of organic acids such as formic acid and acetic acid, inorganic acids such as HCl, HNO 3  and H 2 SO 4 .  
   
   
       65 . A process as claimed in  claim 49 , wherein the acid concentration is in the range of 0.1% to 10%.  
   
   
       66 . A process as claimed in  claim 49 , wherein the change of colors in the colorant is effected by treating the colorant with traces of food grade acids such as acetic acid, taken in an amount of 0.1%.  
   
   
       67 . A process as claimed in  claim 49 , wherein the change of color in the colorant is effected by treating the colorant with traces of bases taken in an amount of 0.1%.  
   
   
       68 . A process as claimed in  claim 49 , wherein the bases are selected from organic bases such as sodium acetate, potassium acetate and diethyl amine and inorganic bases such as NaOH, KOH, Na 2 CO 3  and NaCl.  
   
   
       69 . A process as claimed in  claim 49 , wherein the concentration of the base is in the range of 0.1% to 20%.  
   
   
       70 . A process as claimed in  claim 49 , wherein the herbal colorant is antimicrobial, anti-inflammatory and is used in leucoderma more particularly of lips.