Method for extracting conjugated linoleic acid in Tan sheep tail fat through two-stage short-path molecular distillation
A technology of molecular distillation and conjugated linoleic acid, which is applied in the biological field, can solve problems such as danger, and achieve the effects of improving quality, high vacuum, and improving purity and quality
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Embodiment 1
[0046] A method for extracting conjugated linoleic acid in sheep tail fat by two-stage short-range molecular distillation, comprising the following steps:
[0047] Step 1. Heat Tan sheep tail fat in a 60°C water bath until completely melted, put it into the feeding bottle of the short-range molecular distillation equipment, fill the cold trap with liquid nitrogen, turn on the refrigeration device and the backflow water device in turn; Set the temperature of the reflux water at 20°C; turn on the rotary vane pump, set the distillation pressure to 1.5Pa, and set the distillation temperature to 210°C; When touching the heating sheet, adjust the speed of the scraping film to 260r / min, and then control the material flow rate to 120mL / h; carry out molecular distillation and collect the light components in the first stage;
[0048] Step 2. Put the light components of the first stage into the feed bottle of the molecular distillation equipment, set the distillation pressure to 6Pa, and...
Embodiment 2
[0051] A method for extracting conjugated linoleic acid in sheep tail fat by two-stage short-range molecular distillation, comprising the following steps:
[0052] 1) The first stage: Heat 100g of Tan sheep tail fat in a 60°C water bath until it is completely melted, put it into the feeding bottle of the short-range molecular distillation equipment, fill the cold trap with liquid nitrogen, turn on the refrigeration device and the reflux device in turn, Turn on the refrigeration device and refrigerate for 0.5h, turn on the backflow water device, and set the temperature of the backflow water in the backflow water device to 20°C;
[0053] 2) Turn on the rotary vane pump, set the distillation pressure to 1Pa, and set the distillation temperature to 200°C;
[0054] 3) After the distillation pressure and temperature reach 5Pa and 180°C and are stable, open the feed valve, and when the sheep tail fat touches the heating plate, adjust the speed of the scraping film to 250r / min, and th...
Embodiment 3
[0059] A method for extracting conjugated linoleic acid in sheep tail fat by two-stage short-range molecular distillation, comprising the following steps:
[0060] 1) The first stage: Heat 100g of Tan sheep tail fat in a 60°C water bath until it is completely melted, put it into the feeding bottle of the short-range molecular distillation equipment, fill the cold trap with liquid nitrogen, turn on the refrigeration device and the reflux device in turn, Turn on the refrigeration device and refrigerate for 0.5h, turn on the backflow water device, and set the temperature of the backflow water in the backflow water device to 20°C;
[0061] 2) Turn on the rotary vane pump, set the distillation pressure to 2Pa, and set the distillation temperature to 220°C;
[0062] 3) After the distillation pressure and temperature reach 2Pa and 220°C and are stable, open the feed valve, and when the sheep tail fat touches the heating plate, adjust the speed of the scraping film to 270r / min, and th...
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