Table 1.
Composition of the Radiata Pine Bark

Ash (%)	Hot water extract (%)	1% NaOH extract (%)	Polyphenols (%)	Klason Lignin (%)
				Before 1% NaOH extraction	After 1% NaOH extraction
				0.70	28.42	69.60	51.88	66.32	14.44