Preprint Article Version 1 This version is not peer-reviewed

Casein Hydrolysate Containing Milk-Derived Peptides Improves Facial Pigmentation Independent of An Anti-Atherosclerosis Effect: A Randomized, Double-Blind, Placebo-Controlled Trial

Version 1 : Received: 23 April 2020 / Approved: 25 April 2020 / Online: 25 April 2020 (02:42:35 CEST)

How to cite: Igase, M.; Okada, Y.; Igase, K.; Ochi, M.; Matsumoto, S.; Senzaki, K.; Ohyagi, Y. Casein Hydrolysate Containing Milk-Derived Peptides Improves Facial Pigmentation Independent of An Anti-Atherosclerosis Effect: A Randomized, Double-Blind, Placebo-Controlled Trial. Preprints 2020, 2020040454 (doi: 10.20944/preprints202004.0454.v1). Igase, M.; Okada, Y.; Igase, K.; Ochi, M.; Matsumoto, S.; Senzaki, K.; Ohyagi, Y. Casein Hydrolysate Containing Milk-Derived Peptides Improves Facial Pigmentation Independent of An Anti-Atherosclerosis Effect: A Randomized, Double-Blind, Placebo-Controlled Trial. Preprints 2020, 2020040454 (doi: 10.20944/preprints202004.0454.v1).

Abstract

Casein hydrolysate improves arterial stiffness, as estimated by brachial ankle pulse wave velocity (baPWV), in untreated hypertensive subjects. Facial pigmentation is a useful biomarker for arterial stiffness. This trial evaluated whether casein hydrolysate improves facial pigmentation in association with changes in arterial stiffness. A randomized, double-blind, placebo-controlled trial was conducted in 80 non-hypertensive Japanese participants randomly assigned to receive either active tablets containing casein hydrolysate or placebo for 48 weeks. Facial pigmentation and baPWV were measured at baseline and at the end of the intervention. Other biochemical atherosclerosis-related parameters were also measured, including advanced glycation end products (AGEs). Changes in facial pigmentation showed a significant difference between the groups. Change in baPWV was significantly better in the active than in the placebo group. In contrast, no significant association was seen between changes in facial pigmentation and those in baPWV. Among other atherosclerosis-related factors, changes in advanced glycation products (AGEs) were significantly decreased in the active compared to the placebo group. Further, changes in facial pigmentation were positively correlated with those in AGEs. Changes in AGEs were independently associated with changes in facial pigmentation. Casein hydrolysate improves facial pigmentation in non-hypertensive participants. Casein hydrolysate may have beneficial effects on glycation stress.

Subject Areas

casein hydrolysate; Val-Pro-Pro; Ile-Pro-Pro; brachial ankle pulse wave velocity; advanced glycation end products; facial pigmentation

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