Abstract:
:Pine needle extract (PE) and fermented pine needle extract (FPE) have been reported to show various biological and pharmacological activities such as antioxidant, anti-inflammatory, anti-bacterial, anti-cholesterol, gastrointestinal motility control, and fibrinolytic effect. The aims of our research were to isolate fibrinolytic compounds from PE and FPE and evaluate their antithrombotic activity in vitro and in vivo. Protocatechuic (1) and shikimic (2) acids were isolated and identified from FPE. 1 and 2 not only have fibrinolysis activity but also inhibit fibrin formation similar to aspirin. Lysis of fibrin clots by 1 and 2 occurred completely at pH 2-4. Results of SDS-PAGE showed that fibrin polypeptide chains (Aα, Bβ, γ) lysed by 1 and 2 were intact. The antithrombotic effects of 1 and 2 were confirmed by models of carrageenan-induced tail thrombosis, collagen and epinephrine-induced pulmonary thromboembolism in mice, and FeCl3-induced carotid arterial thrombus. Moreover, 1 and 2 did not induce hemorrhage in the tail veins of mice, unlike common antithrombotic compounds. We also measured changes in the quantities of 1 and 2 obtained from FPE. As fermentation progressed, we demonstrated that the quantity of 1 steadily increased, while the quantity of 2 did not significantly change. We therefore demonstrated that FPE is an excellent resource for 1 and 2 and can be produced inexpensively in sufficient quantities for industrial-scale extraction.
journal_name
J Nat Medjournal_title
Journal of natural medicinesauthors
Park J,Lee B,Choi H,Kim W,Kim HJ,Cheong Hdoi
10.1007/s11418-015-0956-ysubject
Has Abstractpub_date
2016-07-01 00:00:00pages
492-501issue
3eissn
1340-3443issn
1861-0293pii
10.1007/s11418-015-0956-yjournal_volume
70pub_type
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