Potential Health Benefits of Avocados

Ingram, Donald K.; Elks, Carrie M.; Davenport, Gary M.; Roth, George S.

doi:10.1002/9781118635551.ch14

Cited by 2 publications

(3 citation statements)

References 64 publications

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“…In considering future applications of AvX, it is also important to acknowledge its advantage over eating the whole fruit. While consumption of ripe avocados has been associated with health benefits, − consumption of AvX enriched in MH provides the potential of additional benefits due to its unique mechanism of glycolytic inhibition. Because of the rather bitter taste and hardness of unripe avocado, consumers are not likely to want to consume large quantities of the fruit to match the doses of MH created in the AvX.…”

Section: Discussionmentioning

confidence: 99%

“…1,2 These effects have been attributed to several beneficial nutrients in the fruit, including the following: (1) the monounsaturated fat, oleic acid; (2) β-sitosterol: (3) carotenoids, especially lutein; (4) folate; and (5) tocopherols. 3,4 The current report focuses on possible health benefits of a rare seven-carbon sugar, Dmannoheptulose (MH), found in uniquely high concentrations in unripe avocado. 5 First isolated and identified by LaForge in 1916 from the ice plant (Hylotelephium spectabile), MH can be found in other plants including alfalfa, fig, and primose.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Consumption of the fruit, avocado (Persea americana or Persea gratissima), has increased greatly over the last couple of decades . Once considered an unhealthy fruit due to high concentrations of lipids, much of its increased popularity can be credited to purported health benefits, which include reducing blood lipids and inflammation. , These effects have been attributed to several beneficial nutrients in the fruit, including the following: (1) the monounsaturated fat, oleic acid; (2) β-sitosterol: (3) carotenoids, especially lutein; (4) folate; and (5) tocopherols. , The current report focuses on possible health benefits of a rare seven-carbon sugar, d -mannoheptulose (MH), found in uniquely high concentrations in unripe avocado …”

Section: Introductionmentioning

confidence: 99%

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Characterization and Mechanisms of Action of Avocado Extract Enriched in Mannoheptulose as a Candidate Calorie Restriction Mimetic

Ingram

Pistell

Wang

et al. 2021

J. Agric. Food Chem.

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Increased consumer interest in the avocado (Persea americana or Persea gratissima) has been attributed to established health benefits of this fruit associated with a wide range of ingredients. In search of effective calorie restriction mimetics (CRM), we present herein a consideration of possible health benefits of the rare sugar, mannoheptulose (MH), which acts as an intracellular glycolytic inhibitor and presents the highest concentration of this inhibitor in unripe avocados. A method for producing an extract of unripe avocado (AvX) to enrich concentrations of MH is described. Experiments using myocyte cultures demonstrated a pattern of CRM-like responses when treated with AvX. In vivo experiments confirmed that orally consumed AvX is bioavailable in both mice and dogs, as observed in urine and blood samples. Additional experiments in both these species demonstrated CRM-like improvements in glucose and insulin responses. In sum, the MH-enriched AvX exhibits promise as a CRM.

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Section: Discussionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Characterization and Mechanisms of Action of Avocado Extract Enriched in Mannoheptulose as a Candidate Calorie Restriction Mimetic

Ingram

Pistell

Wang

et al. 2021

J. Agric. Food Chem.

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Improved extraction of avocado oil by application of sono-physical processes

Martı́nez-Padilla

Franke

et al. 2018

Ultrasonics Sonochemistry

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Ultrasound treatment is known to increase the oil extractability in olive and palm oil processes. This work examined the effect of ultrasound conditioning of avocado puree on oil extractability and quality, at low (18+40kHz) and high (2MHz) frequencies, at litre-scale. Other ultrasound parameters evaluated included high frequency effect (0.4, 0.6, and 2MHz; 5min; 90kJ/kg) and sonication time (2.5-10min at 2MHz), without malaxation. Finally, a megasonic post-malaxation intervention was assessed at selected malaxation times (15, 30, and 60min). Both low and high frequency ultrasound treatments of the non-malaxed avocado puree improved extractability by 15-24% additional oil recovery, with the highest extractability achieved after 2MHz treatments, depending on the fruit maturity and oil content. There was no preferential improvement on oil extractability observed across high frequencies, even though extractability increased with sonication time. Ultrasound treatment also showed a positive effect after puree malaxation. Oils obtained from sonicated purees showed peroxide and free fatty acid values below the industrial specification levels and an increase in total phenolic compounds after 2MHz treatment. High frequency ultrasound conditioning of avocado puree can enhance oil separation and potentially decrease the malaxation time in industrial processes without impacting on oil quality.

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Potential Health Benefits of Avocados

Cited by 2 publications

References 64 publications

Characterization and Mechanisms of Action of Avocado Extract Enriched in Mannoheptulose as a Candidate Calorie Restriction Mimetic

Characterization and Mechanisms of Action of Avocado Extract Enriched in Mannoheptulose as a Candidate Calorie Restriction Mimetic

Improved extraction of avocado oil by application of sono-physical processes

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