Method for simultaneously extracting and separating flaxseed gum and SDG (Secoisolariciresinol Diglucoside) from flaxseeds
A technology of flax lignans and flaxseed gum, which is applied in chemical instruments and methods, preparation of sugar derivatives, sugar derivatives, etc., can solve the problems of large energy waste and cumbersome production process, and achieve reduced production costs, The effect of simple process
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Embodiment 1
[0017] Example 1 A method for simultaneously extracting and separating flaxseed gum and flax lignans from flaxseeds, comprising the following steps:
[0018] (1) Put 300kg of flaxseed into a 2000L reaction kettle produced by Wuxi Xuelang Chemical Equipment Factory after adding water, stir at a temperature of 10~30°C for 1~2h, and then use a 10mL reactor produced by Shanghai Dazhang Filtration Equipment Co., Ltd. 2 Plate and frame filter, filter, extract the filter residue several times in the same way, filter the decoction, and combine the filtrate; the amount of water added each time is 8 times the mass of flaxseed.
[0019] (2) Concentrate the filtrate obtained in step (1) under reduced pressure with a 20L rotary evaporator produced by Jiangsu Xinghai Instrument Equipment Co., Ltd. at a temperature of 40-50° C. to a clear paste with a relative density of 1.12-1.18.
[0020] (3) Add ethanol to the clear paste to make the alcohol content reach 30% to 95%, stir evenly, and stan...
Embodiment 2
[0023] Example 2 A method for simultaneously extracting and separating flaxseed gum and flax lignans from flaxseeds, comprising the following steps:
[0024] (1) Put 300kg of flaxseed into a 2000L reaction kettle produced by Wuxi Xuelang Chemical Equipment Factory after adding water, stir at 30-50°C for 1-2 hours, then filter with a plate and frame filter, and extract the residue in the same way After several times, the decoction is filtered and the filtrates are combined; wherein the amount of water added each time is 12 times the mass of flaxseed.
[0025] (2) Concentrate the filtrate obtained in step (1) under reduced pressure with a 20L rotary evaporator at a temperature of 50-60° C. to a clear paste with a relative density of 1.12-1.18.
[0026] (3) Add ethanol to the clear paste to make the alcohol content reach 30% to 95%, stir evenly, and stand at room temperature for 24 to 48 hours, and obtain 35kg of precipitate after filtration;
[0027] (4) The precipitate is wash...
Embodiment 3
[0029] Example 3 A method for simultaneously extracting and separating flaxseed gum and flax lignans from flaxseeds, comprising the following steps:
[0030] (1) Put 300kg of flaxseed into a 2000L reaction kettle produced by Wuxi Xuelang Chemical Equipment Factory after adding water, stir at 50-70°C for 1-2 hours, then filter with a plate and frame filter, and extract the residue in the same way After several times, the decoction is filtered and the filtrates are combined; the amount of water added each time is 10 times the mass of flaxseed.
[0031] (2) Concentrate the filtrate obtained in step (1) under reduced pressure with a 20L rotary evaporator at a temperature of 60-70° C. to a clear paste with a relative density of 1.12-1.18.
[0032] (3) Add ethanol to the clear paste to make the alcohol content reach 30% to 95%, stir evenly, and stand at room temperature for 24 to 48 hours, and obtain 40kg of precipitate after filtration;
[0033] (4) The precipitate is washed with ...
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