Watermelon

Citrullus lanatus 西瓜 수박 (Korean)

Family / Genus: Order Cucurbitales · Family Cucurbitaceae · Genus Citrullus
Origin: Sub-Saharan Africa. Established in Korea between the late Goryeo and early Joseon eras, listed in the Donguibogam (1613)
Edible Parts: Flesh · rind (processed) · seeds
Korean Growing Season: Transplant outdoors Apr–May, harvest Jul–Aug. Chungnam and North Gyeongsang are the main producers; year-round under cover

Full Crop Guide

Meta-analysis on L-citrulline supplementation: blood pressure reduction (SBP -7.54 mmHg, DBP -3.77 mmHg)

Mahboobi S, Tsang C, 2019, Journal of Human Hypertension

PMID 30206378
Watermelon and L-citrulline review: cardio-metabolic health effects (2000-2020 literature)

Burton-Freeman B, Freeman M, 2000, Current Atherosclerosis Reports

PMID 34894302
Watermelon juice and vascular function in postmenopausal women — RCT

Ellis AC, Mehta T, 2021, Nutrition, Metabolism and Cardiovascular Diseases

PMID 34344546
L-citrulline cardiometabolic review

Allerton TD, Proctor DN, 2018, Nutrients

PMID 30029482
Current evidence on watermelon: comprehensive review

Volino-Souza M, Oliveira GV, 2022, Nutrients

PMID 35889869
Acute watermelon juice effects on antioxidant and cardiovascular markers — RCT

Blohm K, Beidler J, 2020, International Journal of Food Sciences and Nutrition

PMID 31597484
Spatial accumulation pattern of citrulline and other nutrients in watermelon fruits

Akashi K, 2017, Journal of the Science of Food and Agriculture

PMID 27060681