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Title: Effects of Compounds from Passiflora edulis Sims f. flavicarpa Juice on Blood Coagulation and on Proteolytic Enzymes
Authors: Sato, Ana Claudia [UNIFESP]
Andrade, Sonia Aparecida de
Brito, Marlon Vilela de [UNIFESP]
Miranda, Antonio [UNIFESP]
Sampaio, Misako Uemura [UNIFESP]
Maffei, Francisco Humberto de Abreu
Oliva, Maria Luiza Vilela [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Inst Butantan
Universidade de São Paulo (USP)
Hosp Santa Catarina
Keywords: aPTT
blood coagulation
Bowman-Birk inhibitor
Passiflora edulis
passion fruit
trypsin inhibitor
Issue Date: 1-May-2012
Publisher: Bentham Science Publ Ltd
Citation: Protein And Peptide Letters. Sharjah: Bentham Science Publ Ltd, v. 19, n. 5, p. 501-508, 2012.
Abstract: Passion fruit (Passiflora edulis Sims f. flavicarpa) is popularly known for its sedative and calming properties and is consumed as a fresh fruit or as a juice. The clinical observation of blood incoagulability associated with excessive consumption of passion fruit juice, in a patient treated with warfarin, prompted the current study to investigate in vitro the presence of blood clotting inhibitors in Passiflora edulis Sims f. flavicarpa extract. After purification process, two compounds of distinct molecular weight and inhibitory action were better characterized. One is a trypsin inhibitor similar to inhibitors from Bowman-Birk family, named PeTI-I12, and other is a compound active in coagulation that prolongs aPTT and PT, but does not change TT. The aim of this study is to provide evidence that passion fruit extract's components play a role on hemostasis and therefore may be relevant in the handling of patients treated with anticoagulants or suffering hemorrhagic diseases.
ISSN: 0929-8665
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Appears in Collections:Artigo

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