title: Sap phytochemical compositions of some bananas in Thailand.
abstract: Banana sap has some special properties relating to various phenomena such as browning of fruits after harvesting, permanent staining of cloth and fibers, and antioxidant and antibleeding properties. Analysis of banana sap using high-performance liquid chromatography-electrospray ionization-mass spectrometry (HPLC-ESI-MS) indicated the presence of phenolic and aromatic amino compounds of interest due to their special properties. With the online positive electrospray ionization mode (ESI), the possible structures of specific compounds were determined from the fragmentation patterns of each particular ion appearing in the mass spectra. The major compounds revealed from the sap of banana accessions, namely, Musa balbisiana , Musa laterita , Musa ornata , and Musa acuminata , and some cultivars were apigenin glycosides, myricetin glycoside, myricetin-3-O-rutinoside, naringenin glycosides, kaempferol-3-O-rutinoside, quercetin-3-O-rutinoside, dopamine, and N-acetylserotonin. The results indicated that there was a variety of phenolic and aromatic amino contents in many banana species. These compounds were reported to relate with biological activities. Moreover, the identities of these phytochemical compositions may be used as markers for banana diet, the assessment of physiochemical status, or the classification of banana clones.
authors.affiliation: Department of Biochemistry, Faculty of Science, Mahidol University,RamaVI Road, Rajthevi, Bangkok 10400, Thailand.
authors.forename: Pongsagon
authors.initials: P
authors.lastname: Pothavorn
authors.forename: Kasipong
authors.initials: K
authors.lastname: Kitdamrongsont
authors.forename: Sasivimon
authors.initials: S
authors.lastname: Swangpol
authors.forename: Siripope
authors.initials: S
authors.lastname: Wongniam
authors.forename: Kanokporn
authors.initials: K
authors.lastname: Atawongsa
authors.forename: Jisnuson
authors.initials: J
authors.lastname: Savasti
authors.forename: Jamorn
authors.initials: J
authors.lastname: Somana
mesh_terms: D005638:Fruit / Q000737:chemistry; D028521:Musa / Q000737:chemistry*; D010936:Plant Extracts / Q000032:analysis*; D013785:Thailand
chemical_list: D010936:Plant Extracts