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Wood waste from forestry practices offers an inexpensive source of biomass that can be converted into bioenergy, fuels and value-added chemicals. Balsam fir (Abies balsamea (L.) Mill.) bark offers a source of bioactive natural products, such as lignans, separated through solvent extraction (SE). The objectives of the research were: (1) to compare traditional solvent with supercritical fluid extraction...
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