Application of perilla leaf extract in preparation of medicine for preventing and treating acute lung injury
A perilla leaf extract and a technology for acute lung injury are applied in the application field of the perilla leaf extract in the preparation of medicines for preventing and treating acute lung injury, so as to achieve the effects of improving lung pathological conditions, reducing alveolar expansion and improving survival rate
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Embodiment 1
[0029] Preparation of perilla leaf extract
[0030] Take 5000 g of perilla leaves and mix them with 40000 mL of ethanol aqueous solution with a volume concentration of 70%, heat and reflux for extraction for 2 hours, extract twice in total, filter, combine the filtrates, concentrate to extract, and vacuum dry to obtain perilla leaf extract.
Embodiment 2
[0032] Preparation of perilla leaf extract
[0033] Take 5000g of perilla leaves and mix them with 30000mL of 80% ethanol aqueous solution, heat and reflux for extraction for 1.5 hours, extract 3 times in total, filter, combine the filtrates, concentrate to extract, and vacuum dry to obtain perilla leaf extract.
Embodiment 3
[0035] Preparation of perilla leaf extract
[0036] Take 5000g of perilla leaves and mix them with 50000mL of 60% ethanol aqueous solution, heat and reflux for extraction for 2.5 hours, extract twice in total, filter, combine the filtrates, concentrate to extract, and vacuum dry to obtain perilla leaf extract.
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