SciELO - Scientific Electronic Library Online

 
vol.44 número3Efecto del extracto de madera de poda de olivo sobre la oxidación lipídica en aceite de girasolConcentración de bencilaminopurina y ácido indolacético en la proliferación in vitro de brotes adventicios de Agave angustifolia índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

  • En proceso de indezaciónCitado por Google
  • No hay articulos similaresSimilares en SciELO
  • En proceso de indezaciónSimilares en Google

Compartir


Ciencia e investigación agraria

versión On-line ISSN 0718-1620

Resumen

AHUMADA, Jaime et al. Bioactive compounds of loquat (Eriobotrya japonica Lindl.) cv. Golden Nugget and analysis of in vitro functionality for hyperglycemia management. Cienc. Inv. Agr. [online]. 2017, vol.44, n.3, pp.272-284. ISSN 0718-1620.  http://dx.doi.org/10.7764/rcia.v44i3.1816.

The loquat cultivar Golden Nugget (leaves, flowers and fruits), which has potential commercial importance in Chile, was analyzed for targeted bioactive composition (total phenolic contents: TPC, phenolic profiles and triterpenic acids) and in vitro bioactivity such as antioxidant capacity (AC) and inhibitory activity against enzymes relevant for hyperglycemia (α-amylase and α-glucosidase) and hypertension (angiotensin I-converting enzyme, ACE-I) management. Leaves and flowers had higher TPC and AC than fruits and hydroxycinnamic acid derivatives were found in all structures by HPLC. Chlorogenic acid and quercetin derivatives were detected only in leaves and flowers, which also inhibited the α-amylase and α-glucosidase enzymes, but flowers showed the highest anti-hyperglycemia activity. No inhibition of ACE-I and hyperglycemia-relevant enzymes were found in loquat fruits; additionally, TPC and AC were high at the green stage. Loquat leaves and flowers are sources of phenolic bioactives with potential for diet-based hyperglycemia management. No triterpenic acids were found in any of the loquat parts.

Palabras clave : Eriobotrya japonica; phenolic compounds; antioxidants; anti-hyperglycemia; loquat.

        · resumen en Español     · texto en Inglés     · Inglés ( pdf )