Process for preparing natural chlorophyll and products thereof with spearmint as raw material
A technology of chlorophyll and spearmint, applied in the direction of organic chemistry, to achieve good development value, bright green color, and the effect of promoting development
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Embodiment 1
[0029] The process of preparing chlorophyll extract: Weigh 1000 grams of dry spearmint leftovers, chop them, add 4000 milliliters of 95% ethanol, extract at 60 ° C for 3 hours, repeat the extraction twice, filter hot and cold, and combine The filtrate was concentrated twice at 50°C under reduced pressure to obtain a dark green chlorophyll extract.
[0030] The technology of preparing oil-soluble paste copper chlorophyll or chlorophyll zinc: get 100 grams of chlorophyll extract prepared by the above-mentioned process method and 300 milliliters of 5% NaoH90% ethanol solution and saponify at 55-65 ℃ for 1.5 hours, adjust the ethanol concentration to 80%, neutralize the saponification solution, add 20 grams of copper acetate or zinc acetate, then adjust the pH to 4, replace at 60°C for 1 hour, filter, and concentrate the filtrate under reduced pressure to obtain oil-soluble paste copper chlorophyll or chlorophyll zinc.
[0031] Process for preparing water-soluble paste copper chl...
Embodiment 2
[0034] The process of preparing chlorophyll extract: Weigh 1000 grams of dry spearmint leftovers, chop them, add 3000 milliliters of 95% ethanol, extract at 50 ° C for 2 hours, repeat the extraction 3 times, filter hot and cold, and combine The filtrate was concentrated three times under reduced pressure at 45°C to obtain chlorophyll extract.
[0035] The process of preparing oil-soluble paste copper chlorophyll or zinc chlorophyll: take 100 grams of chlorophyll extract prepared by the above process and saponify 300 milliliters of 5% NaoH95% ethanol solution at 65 ° C for 1 hour, and adjust the ethanol concentration to 85% , the saponified solution is neutralized, adding 20 grams of copper acetate or zinc acetate, and then adjusting the pH to 4.5, replacing it at 55°C for 1 hour, filtering, and concentrating the filtrate under reduced pressure to obtain zinc chlorophyllin or copper chlorophyllin in an oil-soluble paste.
[0036] Process for preparing water-soluble paste copper...
Embodiment 3
[0039] The process of preparing chlorophyll extract: Weigh 1000 grams of dried spearmint leftovers, chop them, add 3500 milliliters of 95% ethanol, extract at 65 ° C for 2.5 hours, repeat the extraction 2-3 times, heat filter and filter after cooling , combined filtrates, concentrated under reduced pressure at 45°C to obtain chlorophyll extract.
[0040] The process of preparing oil-soluble paste copper chlorophyll or zinc chlorophyll: take 100 grams of chlorophyll extract prepared by the above process and saponify 300 milliliters of 5% NaoH92% ethanol solution at 60 ° C for 1 hour, and adjust the ethanol concentration to 83% , the saponified solution is neutralized, adding 20 grams of copper acetate or zinc acetate, and then adjusting the pH to 5, replacing it at 50°C for 0.5 hours, filtering, and concentrating the filtrate under reduced pressure to obtain zinc chlorophyllin or copper chlorophyllin in an oil-soluble paste.
[0041] Process for preparing water-soluble paste co...
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