Method for manufacturing rose water containing natural rose pigment
The technology of a rose pigment and a production method is applied in the directions of skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., and can solve the problems of poor stability and metal ion sensitivity, and achieve the effect of good stability.
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Embodiment 1
[0017] 1) take fresh rose 4kg, utilize sub-vacuum cryogenic extraction device to obtain rose water 1 and dry rose is about 2.3kg, the amount of rose water 1 is about 1.6kg.
[0018] 2) Put 2.3kg of roses into a sealable glass container, add 20kg of ultrapure water, extract them in an ultrasonic device for 1 hour, and then extract them in a low-temperature constant temperature water bath at 50°C for 2 hours until the petals turn white.
[0019] 3) Utilize the polyethylene (HDPE) plastic strainer filter that aperture is 3mm to separate rose residue and solution,
[0020] 4) Pass the liquid part (about 18 kg) through the column with 200 g of macroporous resin SP70 (the macroporous resin SP70 is loaded into the chromatography column to make a column with a diameter of 5 cm and a height of 15 cm), and rinse with 200 ml of 95% ethanol each time , wash three times to obtain the pigment solution, carry out 2h precipitation, and then filter out protein and polysaccharide and other prec...
Embodiment 2
[0027] 1) take fresh rose 10kg, utilize sub-vacuum extraction device to obtain rose water I and dry rose about 5kg at 50 degrees, the amount of rose water I is about 5kg.
[0028] 2) Put 5kg of roses into a sealable glass container (light-shielding condition), add 40kg of ultrapure water, extract in an ultrasonic device for 2 hours, and then extract in a low-temperature constant temperature water bath at 50°C for 2.5 hours until the petals turn white.
[0029] 3) Utilize the polyethylene (HDPE) plastic strainer screen filter that pore diameter is 3mm to separate rose residue and solution.
[0030] 4) Pass the liquid part (about 35kg) through the column with 300g of macroporous resin SP70 (the macroporous resin SP70 is loaded into the chromatography column to make a column with a diameter of 7cm and a height of 25cm), and then rinse with 300ml of 95% ethanol each time , wash three times to obtain the pigment solution, carry out 2h precipitation, and then filter out protein and ...
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