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J Food Biochem. 2019 Jun;43(6):e12680. doi: 10.1111/jfbc.12680. Epub 2018 Sep 16.

Mechanisms associated to apoptosis of cancer cells by phenolic extracts from two canned common beans varieties (Phaseolus vulgaris L.).

Author information

1
Departamento de Ingenierías Química y Bioquímica, Research Group on Functional Foods and Nutraceuticals, TecNM/Instituto Tecnológico de Durango, Durango, México.
2
Research and Graduate Studies in Food Science. Facultad de Química, Universidad Autónoma de Querétaro, Querétaro, México.
3
Instituto de Ciencia y Tecnología de Alimentos y Nutrición-CSIC, Madrid, Spain.

Abstract

Two varieties of common beans (Phaseolus vulgaris L.), Bayo Victoria and Negro 8025, were evaluated to determine the effect on cellular viability and mechanisms involved in apoptosis pathways, using a cellular model with HT-29 cells. Aqueous methanolic (50:50) extracts from cooked beans were analyzed for phenolic composition, identifying greater diversity of phenolic compounds in Bayo Victoria extracts. However, Negro 8025 showed greater phenolic content and cytotoxicity effects at lower media inhibitory concentrations, and greater effectiveness to activate apoptotic pathways. Proteins related to the arrest of cell cycle were modulated by both bean cultivars. Qualitative analysis by HPLC-PAD and HPLC-MS systems of phenolic compounds in common bean extracts showed mainly hydroxybenzoic and hydroxycinnamic acids, flavonols, and monomeric flavan-3-ols. Bioactive phenolics such as catechin, kaempferol, and ferulic acid were found in both cultivars as well anticancer phytochemicals such as quercetin, protocatechuic acid, myricetin, naringenin and their derivatives, and procyanidins. PRACTICAL APPLICATIONS: Polyphenols in common beans (Phaseolus vulgaris L.) cultivars processed by canning display chemoprotective potential as they activate mechanisms involved in apoptosis pathways. Phenolics in common beans modulate 28 proteins related to apoptotic processes. Therefore, a diet including canned beans (particularly darker varieties) might represent health benefits and cancer-preventive effects.

KEYWORDS:

HT-29 cells; apoptosis; colorectal cancer; dried beans; extrinsic pathway; intrinsic pathway

PMID:
31353616
DOI:
10.1111/jfbc.12680

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