As the main content of connective tissue of animals, collagen holds the highest content up to 25~30% in all functional proteins in human body. Collagen ensures the elasticity and tension of cells, thus it plays a significant role in wound healing, skin protection and maintaining bone health.
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5-Hydroxytryptophan (5-HTP) is a natural metabolite of amino acids, and also the precursor of serotonin and melatonin. 5-HTP can increase leptin and enkephalin content in human body, thus can be used to assist weight loss and as an antidepressant. It is also sold over counter in many countries as a sleep aid.
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Xylitol is a naturally extracted low calorie sweetener, which 1.2 times sweeter than sucrose. As a normal intermediate in human carbohydrate metabolism, the safety of xylitol can be ensured as a food additive. Its functions in promoting liver health and preventing dental caries make it a good option as sugar substitute.

This low calorie sweetener's sweetness can reach 90% of that of sucrose, and would not lead to dental caries or diabetes. Maltitol does not take part in Maillard reactions with amino acids under 200C, so it can be applied as a color protector in most food products. Maltitol can also be used as a surfactant in emulsification and water retainer for baked products.