L-Hydroxyproline
L-Hydroxyproline (CAS: 51-35-4) is a non-proteinogenic amino acid occurring as a white crystalline powder with a slightly sweet taste.
It is the trans-4-hydroxy derivative of L-proline and is the characteristic imino acid of collagen, where it stabilises the triple helix; it is produced mainly by hydrolysis of collagen-rich material and by fermentation.
• Nutraceuticals and food supplements: used as a collagen-supporting ingredient in joint health, skin and anti-ageing formulations.
• Cosmetics and personal care: functions as a humectant and skin-conditioning amino acid in moisturisers and serums.
• Pharmaceutical intermediates: a chiral building block for carbapenem antibiotics and other proline-derived drugs.
• Collagen and gelatin production: a key structural imino acid used to standardise collagen hydrolysate quality.
Product Name: L-Hydroxyproline
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