Coix seed oil containing 8 triglycerides, and pharmaceutical preparation and use thereof

1. A Coix seed oil, comprising 8 triglyceride ingredients in the following mass percentages: trilinolein 4.87-6.99%, 1-olein-2,3-dilinolein 13.00-18.69%, 1-palmitin-2,3-dilinolein 5.25-7.54%, 1,3-diolein-2-linolein 13.23-19.02%, 1-palmitin-2-linolein-3-olein 10.26-14.75%, 1,3-dipalmitin-2-linolein 2.28-3.28%, triolein 14.44-20.76%, and 1-palmitin-2,3-diolein 8.06-11.58%;

wherein, said 8 ingredients are obtained by alkali-refining from a crude coix seed oil which is extracted from coix seed powder by supercritical CO 2 extraction.

2. The Coix seed oil of claim 1 , wherein said triglyceride ingredients especially include 8 ingredients in the following mass percentages: trilinolein 5.47-6.69%, 1-olein-2,3-dilinolein 14.63-17.88%, 1-palmitin-2,3-dilinolein 5.90-7.21%, 1,3-diolein-2-linolein 14.88-18.19%, 1-palmitin-2-linolein-3-olein 11.55-14.11%, 1,3-dipalmitin-2-linolein 2.57-3.14%, triolein16.25-19.86% and 1-palmitin-2,3-diolein 9.07-11.08%.

3. The Coix seed oil of claim 1 , wherein said triglyceride ingredients especially include 8 ingredients of the following mass percentages: trilinolein 5.96-6.20%, 1-olein-2,3-dilinolein 15.93-16.58%, 1-palmitin-2,3-dilinolein 6.43-6.69%, 1,3-diolein-2-linolein 16.20-16.87%, 1-palmitin-2-linolein-3-olein 12.57-13.09%, 1,3-dipalmitin-2-linolein 2.79-2.91%, triolein17.69-18.42% and 1-palmitin-2,3-diolein 9.87-10.27%.

4. The Coix seed oil of claim 1 , having the following physicochemical constants based on the fatty oils: specific gravity at 20° C. 0.917-0.920, refractive index at 20° C. 1.471-1.474, acid value <0.2, iodine value 102-106, saponification value 188-195.

5. A pharmaceutical preparation, comprising a therapeutically effective amount of the Coix seed oil of claim 1 and one or more pharmaceutically acceptable carriers, wherein said pharmaceutically acceptable carriers are selected from pharmaceutical dilutions, excipients, fillers, emulsifiers, binders, absorption accelerators, surfactants, disintegrants, lubricants and antioxidants, flavoring agents, sweeteners, preservatives and coloring agents.

6. The pharmaceutical preparation of claim 5 , wherein the pharmaceutically acceptable carriers are selected from one or more in the group consisting of: mannitol, sorbitol, sodium metabisulfite, sodium bisulfite, sodium thiosulfate, cysteine hydrochloride, thioglycolic acid, methionine, soybean lecithin, vitamin C, vitamin E, EDTA disodium, EDTA calcium sodium, a monovalent alkali metal carbonate, acetate, phosphate or its aqueous solution, hydrochloric acid, acetic acid, sulfuric acid, phosphoric acid, amino acids, sodium chloride, potassium chloride, sodium lactate, ethylparaben solution, benzoic acid, potassium sorbate, chlorhexidine acetate, xylitol, maltose, glucose, fructose, dextran, glycine, starch, sucrose, lactose, mannitol, and silicic derivatives, cellulose and its derivatives, alginates, gelatin, polyvinyl pyrrolidone, glycerin, Tween 80, agar-agar, calcium carbonate, calcium bicarbonate, surfactant, polyethylene glycol, cyclodextrin, β-cyclodextrin, phospholipid material, kaolin, talc, and calcium stearate or magnesium stearate.

7. The pharmaceutical preparation of claim 5 , wherein said pharmaceutical preparation is an oral solid preparation, an oral liquid preparation, or an injection.

8. The pharmaceutical preparation of claim 7 , wherein:

said oral solid preparation is selected from any one of capsules, tablets, dripping pills, granules, and concentrated pills;

said oral liquid preparation is selected from any one of aqueous suspensions, oily suspensions, solutions, emulsions, syrups, elixirs; and

said injection is selected from any one of nano suspensions, liposomes, emulsions, lyophilized powder for injection and aqueous injection.

9. The pharmaceutical preparation of claim 7 , wherein said injection comprises the following components:

Coix seed oil

50-350

g

Soybean lecithin for Injection or

10-40

g

soybean lecithin acceptable for injection

Glycerin for Injection or

15-50

g

glycerin acceptable for injection

Water for injection adds to

1000

mL

10. The pharmaceutical preparation of claim 9 , which is prepared by a method comprising steps of:

adding appropriate amount of water for injection to soybean lecithin for injection or soybean lecithin acceptable for injection; dispersing the mixture with a high shear dispersing emulsifier to give a dispersion without bulks or granules; adding glycerin for injection or glycerin acceptable for injection; then adding water for injection to a specified amount, and stirring the mixture to give a water phase;

weighing Coix seed oil; heating the weighed oil and the water phase separately to 60-70° C., then mixing them and emulsifying the mixture in a high pressure homogenizer, in which the low pressure is 5-12 MPa and the high pressure is 25-50 MPa; repeating the cycle of homogenization for 3-6 times until the amount of particles below 2 μm is no less than 95% and particles above 5 μm are undetectable; using NaOH or HCl to adjust the pH to 4.8 to 8.5; and

filtering the resulting homogeneous emulsion by nitrogen pressure through a microporous filter of 3 μm or less; filling the emulsion with nitrogen, sterilizing and cooling to afford the injection.

11. The pharmaceutical preparation of claim 7 , wherein said oral solid preparation comprises the following components:

Coix seed oil

200-800

g

Antioxidant(s) and/or emulsifier(s)

0.20-0.60

g

to give

1000

capsules

12. The pharmaceutical preparation of claim 11 , which is prepared by a method comprising steps of:

preparing glue solution: weighing gelatin, purified water, glycerin and a preservative at a weight ratio of 1:0.6-1.2:0.3-0.8:0.0001-0.01; adding glycerin, purified water and preservative sequentially into a glue melting tank; heating to 70° C.-90° C.; then adding gelatin and constantly stirring the mixture under vacuum until the gelatin is completely dissolved; filtering the glue solution and storing the filtered glue solution at 56-62° C. for use;

preparing drug liquid: adding Coix seed oil, antioxidant and/or emulsifier into an dosing tank, and stirring the mixture constantly until homogeneous mixing; and

pressing capsules: choosing proper pellet dies according to the capsule size; pressing capsules in a temperature of 15-30° C. and a relative humidity of less than 35%; drying the pressed and shaped capsules; after removing capsules of abnormal size, washing the normal capsules with 95% medicinal ethanol, and drying them continuously to a moisture content of less than 12%; visually inspecting and removing unqualified capsules; finally printing and packaging to afford the pharmaceutical preparation.

13. The pharmaceutical preparation of claim 12 , wherein:

said preservative is selected from any one of 10% ethylparaben solution, benzoic acid, potassium sorbate and chlorhexidine acetate;

said antioxidant is vitamin E; and

said emulsifier is Tween 80.