Monday, June 18, 2018
Monday, June 11, 2018
Elsner's breakthrough was the cause of great excitement among those Jewish scholars involved in this field. As a result, the past fifteen years have seen a wealth of publications, both religious and scientific, on the implications of this newly-found tekhelet. Even so, tekhelet remained confined to the realm of the theoretical for many years. That changed in 1993 when a trio of individuals established the P’Til Tekhelet Foundation to provide the blue dye to the general public.
Monday, June 4, 2018
Since the publishing of Rabbi Herzog's findings the chemical pathway for the production of the dye precursors in mollusks has been elucidated.10 Inside the hypobranchial gland of the animal the colorless waste product indole is modified for eventual excretion. This pathway produces a number of molecules, depending on the species, which serve as precursors to the purple dye (Figure 4).