Abstract
ABSTRACTThe fruit of 18 Solanum lycopersicum var. cerasiforme accessions from Mexico were evaluated for total phenolics (TP) by the Folin-Ciocalteau assay, phenolic profiles by high performance liquid chromatography-diode array detection-mass spectrometry (HPLC-DAD-MS), antioxidant activity (AoxA) by 2,2´-azino-bis(3-ethylbenzothiazolin)-6-sulfonic acid (ABTS), 2,2-diphenil-1-pycrilhydrazyl (DPPH), and oxygen radical absorbance capacity (ORAC), and antimutagenic activity (AmuA) by the Ames assay. TP was measured as Gallic Acid Equivalents (GAE) and the AoxA as Trolox Equivalents (TE). TP varied from 37 to 86 mg GAE 100 g−1 fresh weight (fw). The AoxA by ABTS (568-1187 µmol TE 100 g−1 fw) and DPPH (157-350 µmol TE 100 g−1 fw) correlated with TP and the levels of caffeoylquinic acids and rutin. The AmuA did not correlate with the levels of phenolics. Some accessions had higher AoxA and AmuA than those reported for commercial cultivars and also showed high levels of caffeoylquinic acids and rutin; thus, their consumption could have good health promoting effects.
Highlights
IntroductionTomato is one of the most widely consumed vegetables and an important source of bioactive compounds (e.g. vitamins A and C, carotenoids, and phenolics) that exhibit a broad range of health benefits
Tomato is one of the most widely consumed vegetables and an important source of bioactive compounds that exhibit a broad range of health benefits
ABTS values varied from 568.4 μmol Trolox Equivalents (TE) 100 g−1 in Placharosa (Sinaloa) to 1187.3 μmol TE 100 g−1 in Tumbisca (Michoacan)
Summary
Tomato is one of the most widely consumed vegetables and an important source of bioactive compounds (e.g. vitamins A and C, carotenoids, and phenolics) that exhibit a broad range of health benefits. The development of the commercial tomato cultivars has reduced the levels of bioactive compounds compared to those found in traditional varieties and wild relatives (Adalid, Rosello, & Nuez, 2010; Boches, Peterschmidt, & Myers, 2011; Hanson et al, 2004). Wild tomato relatives represent an important alternative source of compounds with nutritional and biological activities. Cerasiforme tomato from Mexico, with sampling limited to a small number of populations or accessions available in collections of international institutions (Adalid et al, 2010; Boches et al, 2011; Hanson et al, 2004). Further knowledge about the chemical composition and biological activities of S.l
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