Effects of Amino Acid Composition and Contents on Nutritional Value and Flavor in Rose Apple Fruits

Abstract

Abstract: The contents of hydrolyzed amino acids and free amino acids in rose apple fruits were determined by reversed phase high performance liquid chromatography (RP-HPLC). Totally 18 kinds of amino acids were identified. Total content of human essential amino acids was 33.49%. These results showed that rose apple is rich in nutrients. The flavor of rose apple was also investigated. It was found that the contents of Met and Cys were insufficient as human essential amino acids, which resulted in poor nutritional value of rose apple. On the other hand, abundant Glu and Asp made a substantial contribution to tasty flavor of rose apple.

Key words: rose apple, amino acid, nutritional value, flavor

CLC Number:

O651

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