Micromorphological investigation on the leaves of the rock samphire (Crithmum maritimumL.): Occurrence of hesperidin and diosmin crystals

In Situ Detection and Identification of Hesperidin Crystals in Satsuma Mandarin (Citrus unshiu) Peel Cells

“…Numerous crystals of hesperidin sometimes were located around the vascular bundles of immature peels (Figs 2a and 3a). Cornara et al (2009) also showed that hesperidin and diosmin crystals were mainly located near the phloem and in vessels of the vascular bundles of C. maritimum leaves, and suggested the intercellular transport of these flavonoids. Longdistance movement of flavonoids through the vascular systems of plants is controversial.…”

“…Cornara et al . () also showed that hesperidin and diosmin crystals were mainly located near the phloem and in vessels of the vascular bundles of C . maritimum leaves, and suggested the intercellular transport of these flavonoids.…”

“…Reports of crystalline flavonoids in plants are more infrequent. Of the wide variety of flavonoids, hesperidin and diosmin crystals were observed in rock samphire ( Crithmum maritimum ), Citrus limon and Barosma betulina (Cornara et al ., ) and quercetin crystals were found in Astrophytum (Iwashina et al ., ). Investigations of these flavonoid crystals were performed by elemental analysis using energy dispersive X‐ray spectroscopy, component analysis of the extracts using high performance liquid chromatography (HPLC) (Cornara et al ., ) and UV spectral analysis (Iwashina et al ., ), nevertheless the in situ detection and identification of flavonoid crystals have not yet been accomplished.…”

Traditional uses of plants in the Eastern Riviera (Liguria, Italy)

“…Corporal baths with this plant were also indicated to favour pregnancy. Recent studies have shown the presence in this species of the pharmaceutically relevant diosmin and hesperidin flavonoids (Cornara et al, 2009), which are widely used to improve venous tone, increase lymphatic drainage and reduce edema (Hasanoglu et al, 2001).…”

Adulteration in commercial buchu dietary supplements: Analyses of commercial and authentic buchu samples and comparative studies of Agathosma betulina and Agathosma crenulata by microscopy and HPTLC

“…Transections of leaves (Fig. 2-I a-g; -II a-f) show the following features: Both upper and lower epidermises are monolayered, covered externally by a thick cuticle; the cells contain rosette crystals of diosmin and hesperidin (Cornara et al, 2009); the anticlinal walls are straight or slightly curved, thickened and often moniliform; and the upper epidermal cells papillate. The cells of the lower epidermis opposite to the oil glands are slightly raised from the surface level.…”