Oxidization-resistant bitter almond oil and extraction method thereof
An extraction method and almond oil technology are applied in the direction of fat oil/fat production, fat production, and the use of additives to preserve fat substances. Low extraction rate of almond oil and other problems, to achieve the effect of improving the utilization rate of raw materials, improving food safety, anti-oxidation ability and stability
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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 antioxidant 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 t...
Embodiment 3
[0078] A method for extracting antioxidant 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 ...
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