Multifunctional fresh cut flower gel preservative and using method thereof
A preservative and technology for fresh-cut flowers, applied in the direction of botany equipment and methods, application, plant preservation, etc., can solve the problems affecting the ornamental value and longevity of cut flowers, and achieve the effect of prolonging the life of fresh-cut vases and increasing the ornamental value
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[0030] Further, the pomelo peel flavone extract is prepared by the following method:
[0031] 1) Cut pomelo peel into cubes, add 50-60% ethanol with a volume concentration of 1:10-15 according to the material-to-liquid ratio, stir evenly, reflux and extract in a water bath at a temperature of 70-85 ℃ for 50-60 min to obtain an extract. The extract is filtered to obtain an extract;
[0032] Wherein, the material-to-liquid ratio 1:10-15 means that 10-15 mL of ethanol is added to every g of diced pomelo peel;
[0033] 2) Centrifuge the above extract at 3000-4000 r / min for 30-40 min, take the supernatant, and vacuum concentrate the supernatant to remove ethanol to a primary concentrate with a solid content of 20-30%;
[0034] 3) The above-mentioned primary concentrated liquid is allowed to stand for crystallization at a temperature of 4 ℃, and then centrifuged at 10000-15000 r / min at a temperature of 0 ℃, and the supernatant is discarded to obtain crystals;
[0035] 4) The above-mentioned ...
Embodiment 1
[0042] A multifunctional fresh-cut flower gel antistaling agent, which is formed by mixing the following components by weight:
[0043] Carbomer 1.3 parts; sucrose powder 1.7 parts; 8-hydroxyquinoline 0.015 parts;
[0044] 0.0015 parts of 6-benzylaminopurine; 0.15 parts of flavonoid extract of pomelo peel;
[0045] Aluminum sulfate 0.015 parts; Carmine 0.007 parts;
[0046] The preparation of the pomelo peel flavone extract:
[0047] 1) Cut the grapefruit peel into cubes, add 50% ethanol with a volume concentration of 1:10 according to the material-to-liquid ratio, stir well, reflux in a water bath at a temperature of 70°C for 50 min to obtain an extract, which is filtered and extracted liquid;
[0048] Wherein, the material-to-liquid ratio of 1:10 refers to adding 10 mL of ethanol to every g of diced pomelo peel;
[0049] 2) Centrifuge the above extract at 3000 r / min for 30 min, take the supernatant, and vacuum concentrate the supernatant to remove ethanol to a primary concentrate with ...
Embodiment 2
[0056] 1 part of carbomer; 1.5 parts of sucrose powder; 0.01 part of 8-hydroxyquinoline;
[0057] 6-Benzylaminopurine 0.001 parts; Pomelo peel flavone extract 0.1 parts;
[0058] 0.01 parts of aluminum sulfate; 0.005 parts of amaranth;
[0059] Preparation of pomelo peel flavonoid extract:
[0060] 1) Cut the grapefruit peel into cubes, add 60% ethanol with a volume concentration of 1:15 to the material-to-liquid ratio, stir evenly, and reflux in a water bath at a temperature of 85°C for 60 min to obtain an extract. The extract is filtered and extracted liquid;
[0061] Wherein, the material-to-liquid ratio of 1:15 refers to adding 15 mL of ethanol to every g of diced pomelo peel;
[0062] 2) Centrifuge the above extract at 4000 r / min for 35 minutes, take the supernatant, and vacuum concentrate the supernatant to remove ethanol to a primary concentrate with a solid content of 20%;
[0063] 3) The above-mentioned primary concentrated solution was allowed to stand for crystallization at a ...
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