Interest in food colorants as shown by the number of patents has doubled in recent years
with natural pigments outnumbering synthetics by five to one. The natural colorant area can …

Covering: 1992 to 2007 Blue flower colors are primarily due to anthocyanin, a flavonoid
pigment. Anthocyanin itself is purple in neutral aqueous solutions, and its color is very …

This text is a comprehensive reference covering the chemistry, physiology, chemotaxonomy,
biotechnology and food technology aspects of the anthocyanins. Topics discussed include …

Abstract Ethnopharmacological relevance Platycodon grandiflorus (Jacq.) A. DC., the sole
species in genus Platycodon A. DC.(Campanulaceae) has a long history of use as a …

In 1913 Willstätter made the striking observation that the same pigment can give rise to
different colors. Thus, the same pigment, cyanin, is found in the blue cornflower and in the …

Covering: January 2007 to December 2009. Previous review: Nat. Prod. Rep., 2008, 25, 555–
611 This review describes 796 new examples of naturally occurring flavonoids found either …

This study on anthocyanin colour variation (intensity, λmax, ε) over the pH range 1–9 during
60 days of storage, was conducted on petunidin 3-[6-O-(4-OEp-coumaroyl-O-α-l …

The most recent findings on the influence of chemical structure, pH and copigments on
colour stabilization of anthocyanin-containing media are reviewed. The pH is shown to be …

Flavonoids are one of the major pigments in higher plants, together with chlorophylls and
carotenoids. Though ca. 8,000 kinds of flavonoids have been reported in nature …

In this review covering the years since the previous edition of The Flavonoids, it is intended
to deal only with those flavonoids which have been discovered to be directly involved in …