Synthetic phylloquinone was resolved into cis and trans isomers by thin-layer chromatography. The two isomers had identical ultraviolet spectra characteristic of vitamin K$_{1}$ and were ...

The plant carotenoid biosynthetic pathway to cyclic carotenes proceeds via carotene precursors in cis configuration. Involvement of individual isomers was elucidated by genetic complementation of ...

L Ramalingam, Senior Manager, QPS Bioserve India, Hyderabad, Dr Anoop Kumar, Application Support Manager and Dr Manoj Pillai, Director, Application support, SCIEX India, talk about the objective to ...

IN the course of investigations on these films by a method differing only in details from that described by Langmuir (Journ. Amer. Chem. Soc., 1917, p. 1868) I have found striking differences between ...

β-Carotene is generally regarded as the most commercially important and widely utilized carotenoid. It is used as a food coloring agent, an antioxidant, and an important and safe provitamin A source.

COLUMBUS , Ohio – Deep red tomatoes get their rich color from lycopene, a disease-fighting antioxidant. A new study, however, suggests that a special variety of orange-colored tomatoes provide a ...

Even though EGFR-TKI have improved treatment outcomes of patients with EGFR mutant NSCLC, resistance inevitably emerges with disease progression and often with CNS metastasis. C797S mutation is one of ...