Extraction agent used for extracting proanthocyanidin from plants and extracting method

An extractant for extracting proanthocyanidin from plant is metaphosphoric acid and/or sulfite. Its extracting process includes adding water to prepare solution, regulating pH value, immersing extracting by controlling temp and time, filtering, purifying, solvent eluting, concentrating and drying. I...

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Bibliographische Detailangaben

Hauptverfasser:	ZHIQUN LING, ERNING YANG, BIJUN XIE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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