Pigmented edible bean coats as natural sources of polyphenols with antioxidant and antibacterial effects

Gan, Ren‐You; Deng, Ziqing; Yan, Ai-Xin; Shah, Nagendra P.; Lui, Wing Yiu; Chan, Chak-Lun; Corke, Harold

doi:10.1016/j.lwt.2016.06.012

Cited by 86 publications

(59 citation statements)

References 37 publications

(47 reference statements)

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“…These results might be related to the density of CO2 that affect to solubility and dissolution capacity of SCCO2, where, increasing of CO2 density allows the increasing of extract yields [25][26][27]. The density of CO2 was 0.59 g/cm 3 at 80 o C and 20 MPa, then it increased to 0.75 g/cm 3 at 30 MPa with the same temperature. It was clearly that the density of CO2 can be significantly increased by increasing pressure at a constant temperature lead to an increase in the dissolving capacity of SCCO2 and gives in a beneficial effect on the extraction process.…”

Section: Resultsmentioning

confidence: 89%

“…At higher densities, the SCCO2 is able to contact more surface area, thus resulting more grains of paradise seeds substances to dissolve and be extracted. Consequently, the yields of gingerol, shogaol and paradol seem constant or slightly decrease when the density of CO2 increases to 0.82 g/cm 3 . They are 6.84, 3.53, and 3.97 mg/g sample, respectively.…”

Section: Resultsmentioning

confidence: 95%

“…Hence, these compounds play an important role in plant growth and offer the plants to have excellent properties as food preservatives. Phenolic compounds were also affect to the color and contribute to sensory characteristics of vegetables and fruits [3]. Due to these properties, phenolic compounds become suitable for various industrial applications such as natural colorants and preservatives for foods or in the production of paints, paper, and cosmetics.…”

Section: Introductionmentioning

confidence: 99%

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Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide

Ono¹,

Kawamoto²,

Uemori³

et al. 2017

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Abstract. Supercritical carbon dioxide (SCCO2) is one of the green methods to extract plant matters substances. In this study, SCCO2 has been applied as a media to extract the grains of paradise seeds substances at temperatures of 40 -80 o C and pressures of 20 -40 MPa using a semi-continuous flow-type system. Results of FT-IR spectra analysis showed that the grains of paradise seeds substances were extracted by SCCO2. The SEM images of the grains of paradise seeds residues also showed that the physical changes of the grains of paradise seeds surface occurred after SCCO2 extraction. The main compounds in extracts were gingerols, shogaols, and paradols. However, the GC-MS may only identify paradol compounds due to gingerols, shogaols, and paradols are homologous series of phenolic ketones and paradols was more stable than gingerols and shogaols. The yields of gingerols, shogaols, and paradols were 9.12, 3.90, and 4.42 mg/g sample, respectively and affected by extraction temperatures and/or extraction pressures.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide

Ono¹,

Kawamoto²,

Uemori³

et al. 2017

View full text Add to dashboard Cite

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“…Several works in the literature focus on the evaluation of the antibacterial effect of EOs and propose them as an interesting option to ensure the safety and quality of minimally processed foods and extend their shelf life [13,14]. Moreover, there are evidences that EOs incorporated to edible films can inhibit a large variety of food-borne pathogens [13,[15][16][17][18][19]. e main advantage of using EOs in a polymer matrix coating is a slow diffusion of the antimicrobial agent, leaving high concentrations of the active compound in contact with the food surface where contamination has occurred or is likely to occur, for a long period [20].…”

Section: Introductionmentioning

confidence: 99%

Effect of pH and Mexican Oregano (Lippia berlandieri Schauer) Essential Oil Added to Carboxymethyl Cellulose and Starch Edible Films on Listeria monocytogenes and Staphylococcus aureus

Navarro-Cruz

Ochoa‐Velasco

Caballero-Alvarez

et al. 2018

Journal of Food Quality

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e aim of this work was to evaluate the e ect of pH and Mexican oregano essential oil (MOEO) added to carboxymethyl cellulose (CMC) and starch (S) edible lms on Listeria monocytogenes and Staphylococcus aureus. CMC and S edible lms were formulated with di erent concentrations (0%, 0.25%, 0.50%, 0.75%, and 1%) of MOEO at di erent pH (5, 6, or 7). Antimicrobial assay was performed. Inhibition curves were tted to the Fermi model. Signi cant di erences (p < 0.05) were found in t c (time to reduce 50% of microbial population) and a (slope of the curve around t c ), being lower at acidic pH. For L. monocytogenes, CMC lms exhibited a higher antimicrobial e ectiveness (0.50% of MOEO) compared to S lms which need a higher concentration of MOEO (0.75%). S. aureus was inhibited with CMC lms at 0.50% MOEO and pH 5 and 6. Microbial modeling has allowed estimating key intrinsic factors as pH and MOEO concentration with the synergistic e ect against two important food-borne pathogens.

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“…Phenolic compounds are common bioactive substances abundantly present in fruits, and are known to have strong antioxidant activities. They have also been found to confer a remarkable scope of health benefits, including lowering blood pressure and fighting inflammation, obesity, microbial infections, and cancer (Afrin et al, ; Bilušić, Šola, Rusak, Poljuha, & Čikeš Čulić, ; Gan et al, ). To date, many lines of evidence suggest that polyphenols have anti‐proliferative and pro‐apoptotic effects in diverse types of cancer cells, including bladder, colon, and breast cancers (Kao et al, ; Yang, Zhang, Yang, Zhu, & Zhang, ).…”

Section: Introductionmentioning

confidence: 99%

Phenolic compounds present in fruit extracts ofMalus spp.show antioxidative and pro‐apoptotic effects on human gastric cancer cell lines

Han¹,

Ai²,

Shen³

et al. 2019

J Food Biochem

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The study aims to analyze the phenolic compounds in Malus spp. and evaluate their antioxidant and pro‐apoptotic effects in BGC‐803 gastric cancer cells. The results showed that cyanidin‐3‐galactoside was the main polyphenol in Malus “Royalty” (MR), while catechin, epicatechin, and proanthocyanidin B1 and B2 contents were higher in Malus “Cinnabar” (MC) and Malus micromalus (MM) than in MR fruits. The total polyphenol content, total flavonoid content, and antioxidative properties of Malus spp. fruits followed an order of MR > MC > MM. Fruit extracts could inhibit BGC‐803 cells growth and induce apoptosis, with IC50 values of 0.47, 0.36, and 0.31 mg/ml for MR, MC, and MM, respectively. Furthermore, fruit extracts induced cell apoptosis through increasing Bcl‐2 and Bcl‐xl (pro‐apoptosis) expression and inhibiting Bax and Bak (anti‐apoptosis) expression, thereby accelerating cell apoptosis. Taken together, these results demonstrate that red fruits (i.e., MR and MC) were more effective against cancer cells than green fruits (i.e., MM). Practical applications Fruits of Malus spp. are ≤5 cm in size, considerably smaller than apples. They are rich in various natural bioactive compounds that are often consumed as a dietary supplement or used as natural raw materials for function food. In the current study, it is comprehensively characterized profile and bioactivity of phenolic metabolites in Malus spp. fruits of different colors, and found that red fruits are more effective in reducing the free radicals and inducing cancer cells apoptosis than green fruits. These findings are valuable for food technologists and food manufacturers, especially those who produce crabapple supplement. The study investigated the molecular mechanism of how Malus spp. fruits exert anti‐cancer functions. This lays a theoretical foundation for future research on developing anti‐cancer function food and provides helpful guidance for fruit market management and fruit processing industry.

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Pigmented edible bean coats as natural sources of polyphenols with antioxidant and antibacterial effects

Cited by 86 publications

References 37 publications

Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide

Extraction of Phytochemicals from Grains of Paradise Using Supercritical Carbon Dioxide

Effect of pH and Mexican Oregano (Lippia berlandieri Schauer) Essential Oil Added to Carboxymethyl Cellulose and Starch Edible Films on Listeria monocytogenes and Staphylococcus aureus

Phenolic compounds present in fruit extracts ofMalus spp.show antioxidative and pro‐apoptotic effects on human gastric cancer cell lines

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