This article determines ascorbic acid, total phenolic content and the antioxidant capacity of whole fruit,
flesh, and skin fractions of two varieties of pink guava widely produced in Malaysia (semenyih and sungkai). They were
analysed and specific flavonoid compounds (apigenin, isorhamentin, kaempferol, luteolin, myricetin, and quercetin)
were determined. Ascorbic acid, total phenolic content and antioxidant capacity was found to be higher in semenyih
than in sungkai, mainly in the skin fraction. The predominant flavonoid in all pink guava fractions was kaempferol, with
sungkai flesh having the highest kaempferol content. The pink guava represents an important source of antioxidant
flavonoid compounds that may have health benefits.
This article determines ascorbic acid, total phenolic content and the antioxidant capacity of whole fruit,flesh, and skin fractions of two varieties of pink guava widely produced in Malaysia (semenyih and sungkai). They wereanalysed and specific flavonoid compounds (apigenin, isorhamentin, kaempferol, luteolin, myricetin, and quercetin)were determined. Ascorbic acid, total phenolic content and antioxidant capacity was found to be higher in semenyihthan in sungkai, mainly in the skin fraction. The predominant flavonoid in all pink guava fractions was kaempferol, withsungkai flesh having the highest kaempferol content. The pink guava represents an important source of antioxidantflavonoid compounds that may have health benefits.
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