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Flavored bitter almond oil and extraction method thereof

A technology of bitter almond oil and extraction method, which is applied in the directions of fat oil/fat production, fat oil/fat refining, fat production, etc. The problem of low extraction rate of almond oil can achieve the effect of improving the utilization rate of raw materials, improving food safety, strong antioxidant capacity and stability

Inactive Publication Date: 2016-03-02
邵素英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dry crushing has a large shear force and high temperature, resulting in a large loss of nutrients and biologically active substances in almond oil.
[0009] Chinese patent CN102796613B discloses a method of hydroenzymatically extracting soybean oil and microbial demulsification, which belongs to vegetable oil extraction technology. The method includes the following steps: (1) Extrusion and puffing are used to obtain puffed material after soybean crushing, and the puffed material is mixed with Mix with water to obtain a mixed solution, add alkaline protease to the mixed solution for enzymolysis, and centrifuge after enzymolysis to obtain free oil, emulsion, hydrolyzate and residue; Inorganic salt liquid medium is fermented to obtain mixed demulsifying bacteria full culture solution; (3) the emulsion obtained in step 1) is adjusted to neutral pH, fully mixed with mixed demulsifying bacteria full culture solution, and left to stand for constant temperature demulsification, Soybean oil is obtained by centrifugation after demulsification; although the demulsification rate is high, the oil after demulsification is centrifuged and mixed with demulsifiers and water, and the emulsion oil, demulsifiers and water cannot be completely separated, affecting Food Safety and Stability of Oils and Fats
The bitter almond oil extraction rate that above-mentioned method makes is lower

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Embodiment 1 raw material preparation

[0059] 1. Preparation of Chinese herbal medicine extract:

[0060] The preparation method of the Chinese herbal medicine extract comprises the following steps: in parts by weight, weigh 16 parts of licorice, 15 parts of astragalus, 14 parts of epimedium, 13 parts of dried ginger, 10 parts of angelica dahurica, and 6 parts of codonopsis; Clean 12min at 200W, 30KHz in an ultrasonic cleaning machine with 0.2% sodium bicarbonate solution, drain, grind the above-mentioned Chinese herbal medicine to a particle size below 2mm, put it in a container for uniform mixing and add 5 times the weight of water to obtain a mixed material, Control the temperature at 80°C for 3 hours, then lower the temperature to 45°C, adjust the pH value to 4.0 with lactic acid, carry out microwave extraction for 12 minutes under the condition of power 200W, and carry out ultrasonic-assisted extraction under the condition of power 250W and frequency 35KHz; 1.0% ...

Embodiment 2

[0064] A method for extracting flavor bitter almond oil, comprising the steps of:

[0065] 1) Enzyme inactivation by microwave irradiation: immerse the bitter almonds in a sodium bicarbonate solution with a concentration of 0.1% by mass, rinse at room temperature, drain, put in a container, seal and let stand for moistening for 3 hours, then peel the peeled bitter almonds, put the peeled bitter almonds into the microwave In the drying machine, the frequency is 2450MHz, the power is 2000W, the temperature is 85°C, and the thickness of the material layer is 4cm. The enzyme is irradiated for 3 minutes, and the microwave irradiation is 10s, and the interval is 20s;

[0066] 2) Freezing and crushing: soak bitter almonds after microwave irradiation to inactivate enzymes in 0.2% citric acid solution at room temperature for 3 hours, rinse with clean water twice, drain, and freeze at -23°C with a material layer thickness of 9 cm for 4 hours , crushed to a particle size of 0.3 mm to obt...

Embodiment 3

[0078] A method for extracting flavor bitter almond oil, comprising the steps of:

[0079] 1) Enzyme inactivation by microwave irradiation: immerse bitter almonds in a sodium bicarbonate solution with a concentration of 0.05% by mass, rinse at room temperature, drain, put in a container, seal and let stand for moistening for 2 hours, then peel the peeled bitter almonds, put the peeled bitter almonds into the microwave In the drying machine, the frequency is 2450MHz, the power is 1000W, the temperature is 80°C, and the thickness of the material layer is 3cm, microwave irradiation is used to inactivate the enzyme for 2 minutes, and the microwave irradiation is 10s, and the interval is 20s;

[0080] 2) Freezing and crushing: soak bitter almonds after microwave irradiation to inactivate enzymes in a citric acid solution with a mass percentage concentration of 0.1% at room temperature for 2 hours, rinse with water once, drain, and freeze at -20°C with a layer thickness of 8 cm for 3...

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Abstract

The invention discloses flavored bitter almond oil and an extraction method thereof. The flavoured bitter almond oil uses bitter almonds as raw materials, uses low temperature and biological processing filed, effectively prevents heat-sensitive nutrients in the bitter almonds such as proteins, higher aliphatic acids and vitamins and the like from losing, and prepares free oil, emulsions, hydrolysate and almond cakes after microwave irradiation enzyme, frozen-breaking, enzymatic hydrolysis and traditional vacuum, the emulsion is centrifuged in vacuum to obtain the free oil after being biologically broken, and the free oil is combined to prepare a bitter almond oil which is high in extraction yield of oil (93%-97%), high in nutrition and active material content, strong in food safety (cyanide residue is below 0.08mg / kg ) and long in shelf life (5-6 years). The method for extracting the flavored bitter almond oil improves quality and yield, improves kinds, yield and additional value of by-products after greases are extracted, further reduces extraction cost of greases, puts an end to emission of three wastes, and protects environment.

Description

technical field [0001] The invention relates to the technical field of vegetable oil extraction, in particular to a flavored bitter almond oil and an extraction method thereof. Background technique [0002] Almond is the seed of apricot, a plant of the genus Prunus in the Rosaceae family. It is also called apricot kernel, apricot, muluozi, bitter almond, apricot plum kernel, sweet plum, etc. It is flat heart-shaped, with a yellowish-brown to dark brown surface, thin seed coat, and a Creamy white, oily. In China, it is mainly distributed in Hebei, Liaoning, Northeast China, North China and Gansu. Almonds are divided into two categories, sweet almonds and bitter almonds. Sweet almonds are sweet, do not contain or only contain 0.1% amygdalin, and have a fat content of 45% to 67%. Bitter almonds are bitter and contain 2% to 4% amygdalin. Almond oil is the essence of almonds. The content of oleic acid and linoleic acid in bitter almond oil reaches more than 90%, of which olei...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/00C11B3/16C11B5/00
CPCC11B1/04C11B1/00C11B1/025C11B1/10C11B1/106C11B3/16C11B5/00
Inventor 邵素英
Owner 邵素英
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