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dc.contributor.authorStoker, KGen
dc.contributor.authorCooke, DTen
dc.contributor.authorHill, DJen
dc.date.accessioned2017-05-22T17:20:16Z
dc.date.available2017-05-22T17:20:16Z
dc.date.issued1998-01-01en
dc.identifier.issn0021-8634en
dc.identifier.urihttp://hdl.handle.net/10026.1/9315
dc.description.abstract

The increasing use of alternative crops has meant the introduction of new technologies to process their products. In this work, an alternative method is presented for the extraction of natural indigo from woad (Isatis tinctoria) based on a technique used to extract indigo from Indigofera spp. This method does not rely on the old fermentation procedure used throughout Northern Europe and is cheap, clean and efficient. Evolved from laboratory-based tests, it involves steeping the leaves at low pH in warm water and extracting the indigo at a higher pH, followed by ultra-filtration of the product, which is then left to air-dry. Problems encountered during the development of the technique and how they were overcome are discussed. © 1998 Silsoe Research Institute.

en
dc.format.extent315 - 320en
dc.language.isoenen
dc.titleAn improved method for the large-scale processing of woad (Isatis tinctoria) for possible commercial production of woad indigoen
dc.typeJournal Article
plymouth.issue4en
plymouth.volume71en
plymouth.publication-statusPublisheden
plymouth.journalJournal of Agricultural and Engineering Researchen
dc.identifier.doi10.1006/jaer.1998.0329en
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Health
plymouth.organisational-group/Plymouth/Faculty of Health/Peninsula Medical School
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.rights.embargoperiodNot knownen
rioxxterms.versionofrecord10.1006/jaer.1998.0329en
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.typeJournal Article/Reviewen


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