Tamarindus indica Seed Extract-Based Botanical Compositions Alleviate Knee Pain and Improve Joint Function in Mild-to-Moderate Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Clinical Study

Figure 1

Typical HPLC chromatograms of NXT15906F6 (a) and NXT19185 (b). The representative chromatograms show the peaks of procyanidin B2, procyanidin C1, epicatechin tetramer, bisdemthoxycurcumin, demethoxycurcumin, curcumin, and -mangostin. The elution was detected at 210 nm.

(a)

(b)