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Pulvinic acids are
natural chemical pigments found in some lichens,
derived biosynthetically from the
aromatic amino acids phenylalanine and tyrosine,...
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three classes of
chemical compounds:
pulvinic acid-type family, himanimides, and
polyine acids.
Within the
pulvinic acid-type family, atromentin-derived...
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unique chemical substances it contains, such as calycin,
pulvinic and
vulpinic acids, and
pulvinic acid lactone. The
genus Opeltiella was cir****scribed by...
- chromatography)
include calycin,
pulvic acid lactone,
vulpinic acid, and
pulvinic acid. Westberg,
Martin (2007). "Candelariella (Candelariaceae) in western...
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characteristic that was once
considered unique to this genus. Some
species contain pulvinic acid-related pigments; in
these species the
soredia and pseudocyp****ae...
- Many
natural products such as
ascorbic acid (vitamin C),
penicillic acid,
pulvinic acids, and
abyssomicins possess the β-keto-γ-butyrolactone
motif of tetronic...
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lichen spot
tests are K+ reddish, KC−, and C−. It
produces calycin,
pulvinic acid,
pulvinic dilactone and
vulpinic acid as
secondary metabolites. Candelariella...
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thallus typically breaks and
eventually dissolves into soredia.
Calycin and
pulvinic acid are the
major secondary metabolites present in the lichen. Liu, Dong;...
- He
named the
resulting diacid pulvinic acid. The
German chemist Jacob Volhard elucidated the
constitution of
pulvinic acid by
synthesizing it through...
- 0 by 2.0–2.5 μm. The
stalk and the head of the
apothecium both
contain pulvinic acid, a
lichen product. Aptroot, André; Mota Junior, Narla; Santos, Viviane...