Chemical Properties
The concrete, obtained in approximately 1.20 to 1.50% yields, is a soft mass with a yellowish-brown color and sweet,
floral, extremely intense odor. The absolute is a viscous, brownish liquid. The oil is obtained in approximately 3 to 6% yields by
distillation of the concrete. Also see Tuberose.
Chemical Properties
Tuberose absolute is obtained by solvent extraction, via the concrete, from the
blossoms of Polianthes tuberosa L. (Agavaceae) cultivated in Indiawhere 1–2 t are
produced annually. It is an orange to brown liquid with a sweet, narcotic blossom
odor and is used in modern, floral perfume compositions. Its main constituents
are esters of benzoic acid.
Definition
Extractives and their physically modified derivatives. Polyanthes tuberosa, Amaryllidaceae.
Taste threshold values
Taste characteristics at 20 ppm: floral, sweet, spicy, seedy with a green, herbal hay nuance.
