Naringin:Naringoside.(2R)-Isomer of Maringin.:Introduction and Its Benefit Applications.

Natural sources:Naringin.

Naringin:Naringoside.(2R)-Isomer of Maringin CAS 10236-47-2 EINECS ELINCS No 233-566-4 Naringoside 2R-Naringin photo picture image Naringin is mainly found in grapefruits. It is the compound that gives grapefruit its typical bitter flavour.Naringin is the major flavonoid glycoside in grapefruit and gives grapefruit juice its bitter taste. It is metabolized to the flavanone naringenin in humans. Both naringenin and hesperetin, which are the aglycones of naringin and hesperidin, occur naturally in citrus fruits.

Naringin is a flavonoid extracted from grapefruit and other citrus fruits (albeit in lower amounts). Its content is up to 8% in some kinds of grapefruit in China when it is immature, but in some varieties, the content is nearly zero.

In Spain, University of Murcia reported that the distribution of the flavanones naringin and neohesperidin has been analyzed during the development of the leaves, flower buds, and fruits of Citrus aurantium.These flavonoids are at maximum concentration in the organs studied during the logarithmic phase of growth, gradually decreasing until the organs reach maximum development. However, this decrease in the naringin and neohesperidin concentration in leaves, flower buds, and fruits is due to a dilution of the flavonoids caused by cell growth, because total content per organ continues to increase. The levels of neohesperidin are always greater than those of naringin, although the ratio between the relative concentrations is different in the three organs studied.Leaves have the highest ratios, varying between 8.83 and 5.18, followed by flowers (3.15-1.85), and fruits (2.23-1.02). These observations suggest different relationships between the respective enzymic activities in their biosynthetic pathway.