Pyridoxine HCl (Vitamin B6) — 5g

Description

🧬 Pyridoxine Hydrochloride (Vitamin B6) — a B-vitamin included in MS and most TC media vitamins; the precursor to pyridoxal-5′-phosphate (PLP), the cofactor for over 140 enzyme reactions including all aminotransferases.

💡 Why pyridoxine matters in TC

PLP (the active form of B6) is essential for: amino acid biosynthesis and interconversion (all aminotransferases require PLP), ethylene biosynthesis (ACC synthase is PLP-dependent), polyamine synthesis (ornithine decarboxylase), and alkaloid biosynthesis. In rapidly growing callus, aminotransferase demand increases dramatically — exogenous pyridoxine supplementation improves growth and amino acid profiles.

Standard MS inclusion: 0.5 mg/L. Can be increased to 1–5 mg/L for specialised applications (alkaloid production cultures, high-growth suspension).