limonin

“This happens because when the juice cells are broken and their contents mixed, acids and enzymes convert a tasteless precursor molecule into an intensely bitter terpene compound called limonin.”

Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen

“Orange juice contains an antioxidant limonin, present in orange juice at about the same levels as vitamin C, that has the unique property of remaining in the blood providing protection for 24 hours, unlike most antioxidants which are gone from the blood after 6 hours.”

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“Sour oranges come from a different species than the kinds described above, and are both sour and bitter thanks not to limonin but a related compound, neohesperidin, with an intense and distinctive peel aroma.”

Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen

“Commercial orange juice is made from juice varieties with little tendency to develop limonin bitterness.”

Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen

“Like navel oranges, grapefruits also contain a precursor of limonin, and its juice becomes bitter on standing.”

Simon & Schuster: On Food and Cooking, The Science and Lore of the Kitchen

“(In a sense, this plays out within the diminishing returns dilemma concerning limonin, but that is another discussion altogether.)”

Victoria Advocate stories: News

“Department of Agriculture to analyze what parts of the human genome are affected by limonin, a compound found in citrus fruits.”

Victoria Advocate stories: News

“Somasundaram began the research project in 2006 and already conducted cell culture and animal trials using limonin to slow the growth of breast cancer cells.”

Victoria Advocate stories: News