2024
DOI: 10.3390/plants13070918
|View full text |Cite
|
Sign up to set email alerts
|

“Purplish Blue” or “Greenish Grey”? Indigo Qualities and Extraction Yields from Six Species

Anna Hartl,
Andrea Polleichtner,
Johannes Novak

Abstract: Indigo quality is determined by its indigotin content. Another quality indicator is colour. For an evaluation of species, indigo samples from Indigofera tinctoria, Indigofera suffruticosa, Indigofera arrecta, Persicaria tinctoria, Strobilanthes cusia and Wrightia laevis cultivated in Austria and China were visually classified and analysed spectrophotometrically and using a L*a*b* measuring device. In addition to a standardised hot-extraction method without lime, some samples were extracted simulating tradition… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

0
0
0

Year Published

2024
2024
2024
2024

Publication Types

Select...
1

Relationship

0
1

Authors

Journals

citations
Cited by 1 publication
references
References 48 publications
(118 reference statements)
0
0
0
Order By: Relevance