Abstract Title:

The antithrombotic effects of carrot filtrates in rats and mice.

Abstract Source:

Blood Coagul Fibrinolysis. 2008 Dec;19(8):785-92. PMID: 19002045

Abstract Author(s):

Junichiro Yamamoto, Aki Naemura, Yoshinobu Ijiri, Koji Ogawa, Takao Suzuki, Yasuhiko Shimada, John C Giddings

Abstract:

The prevention of arterial thrombotic disease has a high priority in developed countries. An inappropriate diet is known to enhance the risk for acute thrombotic events and a regular diet with proven antithrombotic effects might be a beneficial way to prevent disease. The present study was undertaken as a part of a series of investigations to examine vegetables and fruits for antithrombotic activity. A shear-induced in vitro platelet reactivity/thrombolysis method [Global Thrombosis Test, formerly Gorog Thrombosis Test] was used to screen 15 different varieties of carrot for antiplatelet and thrombolytic activities. Effective varieties were further investigated using an in vivo, laser-induced thrombosis model in mice. The different carrot varieties demonstrated a variable effect on thrombosis in vitro and in vivo. In particular, a variety designated SAKATA-0421 exerted an antithrombotic effect in vivo independent from heat treatment of the filtrate at 100 degrees C for 10 min. There was no significant correlation between antithrombotic activity and the levels of polyphenolics and any other biochemical parameter, including antioxidant activity, alpha-carotene and beta-carotene, alpha-tocopherol and ascorbic acid. Different varieties of carrot demonstrated a range of antithrombotic and prothrombotic activities. After oral intake, the particular heat resistant variety (SAKATA-0421) showed antithrombotic effect in vivo possibly due to antiplatelet reactivity and/or spontaneous thrombolytic activity. The present study added a new variety to the list of antithrombotic fruits and vegetables.

Study Type : In Vitro Study

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