Anticoagulant Activity of Polyphenolic-Polysaccharides Isolated from Melastoma malabathricum L.

Figure 4

¹H NMR spectrum of F1 (a), F2 (b), and F3 (c). Active anticoagulant fractions F1, F2, and F3 were purified by solid phase extraction (SPE) from Melastoma malabathricum Linn. leaf hot water crude extract and were determined with significantly prolonged activated partial thromboplastin time (APTT).

(a)

(b)

(c)