Hawthorn leave extract is extracted from many production processes. Hawthorn leave extract is from the ethanol extract of dry hawthorn leaves and its main active ingredient is hawthorn leaves flavonoids (HLF). Hawthorn leave extract is applied in health food for regulating blood lipids. According to the 2015 edition of China Pharmacopoeia, hawthorn leave extract have the effects of activating circulation to remove blood stasis, regulating the flow of vital energy for promoting blood circulation, lowering lipid and for the treatment of stagnation of vital energy and blood stasis, thoracic obstruction and cardialgia, chest oppression and breath obstruction, palpitations and forgetfulness, dizziness and tinnitus, and hyperlipidemia. The flavonoids of hawthorn leaves has a significant effect on the heart and cerebrovascular system.
Hawthorn leaves extract production processes:
Production processes: Hawthorn leave extract is made from dry leaves of Rosaceae plant large-fruited Chinese hawthorns or hawthorns. Harvest the hawthorn leaves in summer and autumn, airing them, shatter them into coarse powder; Input the raw materials into the pot then add 50% ethyl alcohol and extract the material twice and 2 hours each time at the temperature of 50℃ to 60℃ (adding 10 times amount of 50% ethyl alcohol for the first time, adding 8 times amount of 50% ethyl alcohol for the second time ), filtering, merging filtrates, recycling ethyl alcohol to collect filtrates without alcohol taste, diluting with the same amount of water, eluting successively with the following of water and different concentrations of ethanol through D101 macroporous adsorption resin column to collect he corresponding eluent, recycling ethanol, concentrating to the clear paste with relative density of about 1.10 ( at the temperature of 60 ℃) and spray drying, then production processes of the hawthorn leave extract are completed. For high content, extraction, chromatography, crystallization and other extra processes are required.
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