Phenolic Profile and Antioxidant Properties in Extracts of Developing Açaí (<i>Euterpe oleracea</i> Mart.) Seeds

Martins, Gabriel R.; Mattos, Mariana M. G.; Nascimento, Fabiane Marques; Brum, Felipe L.; Mohana‐Borges, Ronaldo; Figueiredo, Natália Guimarães de; Neto, Domingos F. M.; Domont, Gilberto B.; Nogueira, Fábio César Sousa; Campos, Francisco; Silva, Ayla Sant’Ana da

doi:10.1021/acs.jafc.2c07028

Cited by 5 publications

(3 citation statements)

References 52 publications

(143 reference statements)

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“…Oxidative stress, inflammation, and the renin-angiotensin system (RAS) contribute to the development of hypertension [ 118 ]. The use of açaí seed extract can exhibit antihypertensive effects in mice fed a high-fat diet, as shown by Santos et al [ 164 , 165 , 166 ]. In this study, animals were treated with açaí seed extract (300 mg/kg per day) and enalapril, a common antihypertensive drug.…”

Section: Biological and Pharmacological Effectsmentioning

confidence: 97%

“…Despite the multifactorial onset and progression of NAFLD, specific intracellular contributory factors, such as inflammation, oxidative stress, mitochondrial dysfunction, altered endoplasmic reticulum (ER) homeostasis, and apoptosis, have been identified [ 115 ]. Therefore, the phenolic compounds of açaí are regarded as prospective therapeutic agents in the treatment of NAFLD due to their high antioxidant and anti-inflammatory capacities [ 47 , 163 , 164 , 165 ]. Freitas et al [ 115 ] tested the actions of an aqueous açaí extract in HepG2 cells and its effects on inflammation, oxidative stress, and ER stress.…”

Section: Biological and Pharmacological Effectsmentioning

confidence: 99%

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Açaí (Euterpe oleracea Mart.) in Health and Disease: A Critical Review

et al. 2023

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The açaí palm (Euterpe oleracea Mart.), a species belonging to the Arecaceae family, has been cultivated for thousands of years in tropical Central and South America as a multipurpose dietary plant. The recent introduction of açaí fruit and its nutritional and healing qualities to regions outside its origin has rapidly expanded global demand for açaí berry. The health-promoting and disease-preventing properties of this plant are attributed to numerous bioactive phenolic compounds present in the leaf, pulp, fruit, skin, and seeds. The purpose of this review is to present an up-to-date, comprehensive, and critical evaluation of the health benefits of açaí and its phytochemicals with a special focus on cellular and molecular mechanisms of action. In vitro and in vivo studies showed that açaí possesses antioxidant and anti-inflammatory properties and exerts cardioprotective, gastroprotective, hepatoprotective, neuroprotective, renoprotective, antilipidemic, antidiabetic, and antineoplastic activities. Moreover, clinical trials have suggested that açaí can protect against metabolic stress induced by oxidation, inflammation, vascular abnormalities, and physical exertion. Due to its medicinal properties and the absence of undesirable effects, açaí shows a promising future in health promotion and disease prevention, in addition to a vast economic potential in the food and cosmetic industries.

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Section: Biological and Pharmacological Effectsmentioning

confidence: 97%

Section: Biological and Pharmacological Effectsmentioning

confidence: 99%

Açaí (Euterpe oleracea Mart.) in Health and Disease: A Critical Review

et al. 2023

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“…Roots can be used as herbal medicine and tonic [10]. It is beneficial for health promotion and disease prevention because it contains antioxidant and anti-inflammatory properties and exerts cardioprotective, gastroprotective, hepatoprotective, neuro-protective, reno-protective, antilipidemic, antidiabetic, and antineoplastic activities [8,18].…”

Section: Prospects and Challenges Of Açai Domestication In Indonesiamentioning

confidence: 99%

Domestication of Euterpe oleracea (Arecaceae) to provide food from peatlands

Tata,

Rachmanadi,

Suwarno

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Euterpe oleracea (Arecaceae), which is known as Acai, is a palm tree originating from swampy forest of Suriname. Acai is naturally distributed in swampy, sandy soil, river edges and seasonally flooded habitats; hence it is considered as paludiculture species. Acai’s domestication study in Indonesia is limited, therefore our study aimed to assess morphology and germination of Acai’s seeds in the nursery, and early growth performance in the field. Acai’s seed diameter was ranging from 0.88±0.01 cm; seed wet weight was 1.19±0.31 g. Acai seeds germinated for up to 5-7 months. Soaked seeds in warm water overnight had 8.33% germination rate, while soaked seeds in tap water overnight had lesser germination rates (1.75%). After one year transplanted to a peat swamp forest ecosystem of Tumbang Nusa, Central Kalimantan, Acai’s seedlings had 100% survival rate. The relative growth rate of height and diameter of Acai seedlings were 4.21 cm month−1 and 0.08 cm month−1, respectively. Acai seedlings survived floodings that occurred in November 2021 to March 2022. The water level was around -35.6 to 17.7 cm. Despite of some challenging, açai is a promising species to be domesticated on degraded peatlands.

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The acquisition of thin sections of açaí (Euterpe oleracea Mart.) seed with elevated potassium content for molecular mapping by mass spectrometry imaging

Brum

Martins

Mohana‐Borges

et al. 2023

Rapid Comm Mass Spectrometry

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RationaleMatrix‐assisted laser desorption/ionization imaging mass spectrometry (MALDI‐IMS) of tissues became popular in the last decade. Consequently, adapting sample preparation methods for different materials turned out to be a pivotal step for successful analysis due to the requirement of sample slices of 12–20 μm thickness. However, acquiring thin sections compatible with MALDI‐IMS for unusual samples is challenging, as existing histological protocols may not be suitable, thus requiring new methods. Açaí (Euterpe oleracea Mart.) seed is an example of a challenging material due to its toughness and resistance to crack, therefore our goal was to develop a methodology to obtain thin (12–20 μm) and entire sections of açaí seeds for MALDI‐IMS analysis.MethodsDifferent strategies were evaluated for obtaining thin sections of seeds, and the combination of the following steps was found to be the most suitable option: (i) softening of seeds by water immersion for 24 h; (ii) transversal cut of seeds to obtain half‐seeds using a razor blade and a hammer; (iii) half‐seeds imbibition in gelatin; (iv) samples sectioning using a cryostat at −20°C to obtain samples with 12–20 μm thickness; (v) collection of samples in an indium tin oxide‐coated glass slide covered by double‐sided copper tape to avoid sample wrapping and ensure adhesion after unfreezing; and (vi) storage of samples in a −80°C freezer, if necessary.ResultsThis adapted sample preparation method enabled the analysis of açaí seeds by MALDI‐IMS, providing spatial distribution of carbohydrates in the endosperm.ConclusionsThe adaptations developed for sample preparation will help investigate the metabolic and physiological properties of açaí seeds in future studies.

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Phenolic Profile and Antioxidant Properties in Extracts of Developing Açaí (Euterpe oleracea Mart.) Seeds

Cited by 5 publications

References 52 publications

Açaí (Euterpe oleracea Mart.) in Health and Disease: A Critical Review

Açaí (Euterpe oleracea Mart.) in Health and Disease: A Critical Review

Domestication of Euterpe oleracea (Arecaceae) to provide food from peatlands

The acquisition of thin sections of açaí (Euterpe oleracea Mart.) seed with elevated potassium content for molecular mapping by mass spectrometry imaging

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