Microwave Heating of Tea Residue Yields Polysaccharides, Polyphenols, and Plant Biopolyester

Microwave heating was used to produce aqueous-soluble components from green, oolong, and black tea residues. Heating at 200−230 °C for 2 min extracted 40−50% of polysaccharides and 60−70% of the polyphenols. Solubilization of arabinose and galactose by autohydrolysis occurred with heating above 170...

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