riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən 

ˈrī-bə-ˌflā-

: a yellow crystalline compound C₁₇H₂₀N₄O₆ of the vitamin B complex that occurs both free (as in milk) and combined (as in liver) as a component of coenzymes (such as FMN) which are essential to normal metabolism

called also vitamin B₂

Examples of riboflavin in a Sentence

Recent Examples on the Web

Prioritize whole grains Whole grain foods provide not only dietary fiber, but also a plethora of vitamins and minerals, like riboflavin, thiamin, niacin, and more. —Toby Amidor, Ms, Rd, Parents, 12 Sep. 2024

In India, insufficient intakes of riboflavin, folate and vitamins B6 and B12 were especially high, while poor calcium intake was highest in south and east Asia, sub-Saharan Africa and the Pacific. —Kristen Rogers, CNN, 11 Sep. 2024

And, research also found the highest intake of yogurt was linked with higher calcium, iodine and riboflavin consumption in children compared with non-yogurt eaters. —Clare Mulroy, USA TODAY, 7 Aug. 2024

Greek yogurt is also typically rich in nutrients like vitamin B12, riboflavin, and selenium.20 Eating dairy foods and dairy protein, which primarily consists of casein and whey, has shown to be particularly beneficial for building muscle and reducing fat mass. —Lindsey Desoto, Health, 1 July 2024

Word History

Etymology

International Scientific Vocabulary ribo- + Latin flavus yellow — more at blue

First Known Use

1935, in the meaning defined above

Kids Definition

riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən 

: a vitamin of the vitamin B complex that helps growth and is found both free (as in milk) and combined with other substances (as in liver)

called also vitamin B₂

Medical Definition

riboflavin

noun

ri·​bo·​fla·​vin ˌrī-bə-ˈflā-vən, ˈrī-bə-ˌ 

variants also riboflavine

-ˌvēn 

: a yellow crystalline compound C₁₇H₂₀N₄O₆ that is a growth-promoting member of the vitamin B complex and occurs both free (as in milk) and combined (as in liver)

called also lactoflavin, ovoflavin, vitamin B₂