alkanet


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al·ka·net

(al'kă-net), [C.I. 75530, 75520]
The root of an herb, Alkanna, or Anchusa tinctoria (family Boraginaceae), that yields the red dyes alkannan and alkannin; used as a coloring agent; also used, combined with tannin, as an astringent.

alkanet

Herbal medicine
A biennial herb said to have antibiotic and wound-healing properties; other claims for efficacy include antidepressive, antipyretic, antitussive, astringent, diuretic, emollient and expectorant effects, and it is promoted as a blood purifier.

There is no peer-reviewed data to support alkanet’s efficacy.

al·ka·net

(al'kă-net)
Alkanna tinctoria; roots of this herb are prepared for purported value as a topical astringent.
[Sp. alcaneta]
References in periodicals archive ?
It is also known as dyer's alkanet. Its dye is obtained from the extracts of dried roots that contain several naphthoquinone derivatives but chief of them are alkannin esters.
The colouring component of alkanet i.e., alkannin is believed to have deep red colour in oily or greasy media and violet in alkaline media.
The roots of Alkanet were acquired from Pride International, Karachi.
Colour characteristiccs of dyed fabrics were measured to check the effect of various dyeing auxiliaries on colour fastness properties fabric dyed with Alkanet root extract.
Data related to the colour fastness, colour strength (K/S) and tensile strength of alkanet dyed cotton samples with various pre and post-padding of auxiliaries are included in Tables 2 and 3 and displayed through Figs 1- 3.
Alkanet has a long history, having first arrived on the scene in Egypt in the latter half of that ancient civilization's 3,000-year period as a world power.
I learned where I could get alkanet and found it's readily available from a variety of sources, but that is only one component.
Like alkanet, it too had been used in the oil painting trade forever and it's these facets and common history that keep us on the trail of what guns were carrying around on their surface and what components can make up "alkanet oil." Turpentine is a true solvent of linseed oil.
Alkanet stain looks like Cabernet Sauvignon and doesn't affect wood and wood grain quite the same as a traditional stain.
Alkanet doesn't do that at all as it creates a subtle mahogany hue.
From the total content of alkanes and alkenes, the liquid products produced at 0.06mL/min, 0.08mL/min and 0.10mL/min oil speeds are higher than the liquid products produced at 0.12mL/min, 0.14mL/min and 0.16mL/min, and the total content of alkanets and alkenes is the highest in the liquid products produced at 0.10mL/min oil speed.
From the total content of alkanets and alkenes and the LHSV and economic benefits, the technique at 0.10mL/min oil speed is better than the technique at 0.06mL/min oil speed.