Abstract Title:

Watermelon Juice: A Potential Functional Drink for Sore Muscle Relief in Athletes.

Abstract Source:

J Agric Food Chem. 2013 Jul 17. Epub 2013 Jul 17. PMID: 23862566

Abstract Author(s):

Martha Patricia Tarazona-Díaz, Fernando Alacid, María Carrasco, Ignacio Martínez, Encarna Aguayo

Abstract:

L-citrulline is an excellent candidate to reduce muscle soreness, and watermelon is a fruit rich in this amino acid. This study investigated the potential of watermelon juice as a functional drink for athletes. An in vitro study of intestinal absorption of L-citrulline in Caco-2 cells was performed using unpasteurized (NW), pasteurized (80ºC for 40 s) watermelon juice (PW) and, as control a standard of L-citrulline. L-citrulline bioavailability was greater when it was contained in a matrix of watermelon and when no heat treatment was applied. In the in vivo experiment (maximum effort test in a cycloergometer), seven athletes were supplied with 500 mL of natural watermelon juice (1.17 g of L-citrulline), enriched watermelon juice (4.83 g of L-citrulline plus 1.17 g from watermelon) and placebo. Both watermelon juices helped to reduce the recovery heart rate and the muscle soreness after 24 h.

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