“New insights into the flavoring potential of cricket (Acheta domesticus) and mealworm (Tenebrio molitor) protein hydrolysates and their maillard products”

2021 ◽  
pp. 130336
Author(s):  
Kora Kassandra Grossmann ◽  
Michael Merz ◽  
Daniel Appel ◽  
Maria Monteiro De Araujo ◽  
Lutz Fischer
Keyword(s):  
Tenebrio Molitor ◽  
Protein Hydrolysates ◽  
Acheta Domesticus ◽  
Maillard Products

scholarly journals Comparison of Conventional and Sustainable Lipid Extraction Methods for the Production of Oil and Protein Isolate from Edible Insect Meal

Foods ◽  
2019 ◽  
Vol 8 (11) ◽  
pp. 572 ◽  
Author(s):  
Laroche ◽  
Perreault ◽  
Marciniak ◽  
Gravel ◽  
Chamberland ◽  
...  
Keyword(s):  
Supercritical Co2 ◽  
Protein Extraction ◽  
Lipid Extraction ◽  
Tenebrio Molitor ◽  
Extraction Methods ◽  
Extraction Yield ◽  
Acheta Domesticus ◽  
Human Consumption ◽  
Alternative Source ◽  
Edible Insect

Edible insects represent an interesting alternative source of protein for human consumption but the main hurdle facing the edible insect sector is low consumer acceptance. However, increased acceptance is anticipated when insects are incorporated as a processed ingredient, such as protein-rich powder, rather than presented whole. To produce edible insect fractions with high protein content, a defatting step is necessary. This study investigated the effects of six defatting methods (conventional solvents, three-phase partitioning, and supercritical CO2) on lipid extraction yield, fatty profiles, and protein extraction and purification of house cricket (Acheta domesticus) and mealworm (Tenebrio molitor) meals. Ethanol increased the lipid extraction yield (22.7%–28.8%), irrespective of the insect meal used or the extraction method applied. Supercritical CO2 gave similar lipid extraction yields as conventional methods for Tenebrio molitor (T. molitor) (22.1%) but was less efficient for Acheta domesticus (A. domesticus) (11.9%). The protein extraction yield ranged from 12.4% to 38.9% for A. domesticus, and from 11.9% to 39.3% for T. molitor, whereas purification rates ranged from 58.3% to 78.5% for A. domesticus and from 48.7% to 75.4% for T. molitor.

scholarly journals Acceptance of bars with edible insects by a selected group of students from Tri-City, Poland

2020 ◽  
Vol 38 (No. 3) ◽  
pp. 192-197
Author(s):  
Joanna Bartkowicz ◽  
Ewa Babicz-Zielińska
Keyword(s):  
Tenebrio Molitor ◽  
Acceptance Rate ◽  
Acheta Domesticus ◽  
European Market ◽  
Edible Insects ◽  
Edible Insect ◽  
Different Types

Although entomophagy as a diet has been known since the dawn of humanity, it is still considered a novelty to the European market and consumers. This study was performed to evaluate the acceptance of a trend promoted by the FAO diet regarding selected young Polish consumers and it presents the results of a survey conducted among them. The primary goal of this study was to assess the acceptance of new edible insect products with mealworms Tenebrio molitor L. and house crickets Acheta domesticus L. These products were prepared in the form of four different types of bars; one without insects, one with whole mealworms, one with ground mealworms and one with ground crickets. According to consumers, the worst bars were the ones which contained the whole mealworms. Additionally, the main problems with accepting this product were caused by the colour of the ground crickets and visible whole pieces of the insects in the edible bars. The study proved that the acceptance of insect bars as food depends on the tastiness and smell. The acceptance of bars also depends on variants. The basic bar had the highest acceptance rate, while the bar with whole mealworms had the lowest one.

Cricket (Acheta domesticus) protein hydrolysates’ impact on the physicochemical, structural and sensory properties of tortillas and tortilla chips

2020 ◽  
pp. 1-12 ◽  
Author(s):  
G. Calzada Luna ◽  
F. San Martin-Gonzalez ◽  
L.J. Mauer ◽  
A.M. Liceaga
Keyword(s):  
Essential Amino Acids ◽  
Protein Hydrolysates ◽  
Acheta Domesticus ◽  
Food Ingredients ◽  
Sensory Acceptability ◽  
Tortilla Chips ◽  
Food Applications ◽  
Physicochemical And Structural Properties ◽  
Corn Masa ◽  
Hydrolysis Of

Consumer interest towards consumption of more sustainable protein sources has led way towards the adoption of insect protein for human food applications. Research shows that insect proteins utilised as food ingredients are more promising to be accepted by Westerners. In this study, cricket protein hydrolysates (CPH) were produced using Alcalase (AL) and Flavourzyme (FL) proteases. The physicochemical and structural properties, as well as the sensory acceptability of corn tortillas formulated with 20% (w/w) CPH were evaluated. CPH-tortillas contained all essential amino acids, including 40% of the daily lysine requirement. In raw corn masa (dough), AL-CPH increased the elastic modulus (G’), indicating cross-linking between polymers, while FL-CPH decreased G’. Tortillas formulated with AL-CPH resulted in matrices with low hardness and extensibility values, while FL-CPH tortillas developed a strong and flexible structure, indicating differences in intermolecular interactions between the AL- and FL-CPH and the tortilla matrix in the cooked tortillas compared to the raw masa. Sensory evaluation results showed acceptability (scores>6.0) towards tortillas chips formulated with 20% CPH. Enzymatic hydrolysis of cricket protein can create peptides with functional characteristics and sensory acceptability for their use as ingredients in food formulation.

VITAMINS E AND K IN RELATION TO GROWTH OF THE HOUSE CRICKET (ORTHOPTERA: GRYLLIDAE)

1978 ◽  
Vol 110 (3) ◽  
pp. 329-330 ◽  
Author(s):  
J. E. McFarlane
Keyword(s):  
Vitamin E ◽  
Tenebrio Molitor ◽  
Carnitine Deficiency ◽  
Acheta Domesticus ◽  
House Cricket ◽  
Organic Components ◽  
Cu And Zn

While there is much evidence for interrelationships between the organic components of insect diets as they relate to growth, there is very little information available on inorganic or organic-inorganic relationships. An example of inorganic interactions is found with Cu and Zn in the house cricket, Acheta domesticus (L.) (McFarlane 1976a).Organic-inorganic interactions have been shown by Fraenkel (1958), who demonstrated effects of Zn and potassium on the expression of a carnitine deficiency in Tenebrio molitor, and by McFarlane (1974), who showed an interaction between Cu and vitamin E in the house cricket.

scholarly journals Evaluation of Organic Wastes as Substrates for Rearing Zophobas morio, Tenebrio molitor, and Acheta domesticus Larvae as Alternative Feed Supplements

Insects ◽  
2020 ◽  
Vol 11 (9) ◽  
pp. 604 ◽  
Author(s):  
Endre Harsányi ◽  
Csaba Juhász ◽  
Elza Kovács ◽  
László Huzsvai ◽  
Richárd Pintér ◽  
...  
Keyword(s):  
Organic Waste ◽  
Survival Rates ◽  
Principal Component ◽  
Maximum Growth ◽  
Tenebrio Molitor ◽  
Acheta Domesticus ◽  
Vegetable Waste ◽  
Negative Effects ◽  
Growth And Survival ◽  
Garden Waste

Studies have focused on identifying combinations of insects and organic waste to optimise bio-conversion. Here, the effects of different diets (10% chicken feed complemented with 90% vegetable waste, garden waste, cattle manure, or horse manure) on growth and survival rates, and nutritional value of Zophobas morio and Tenebrio molitor larvae, and Acheta domesticus were investigated. Compared with chicken feed, organic waste decreased the individual larval weight, although green waste showed fewer negative effects than the manure. The macronutrient concentrations in garden waste were moderate compared with chicken feed, and vegetable waste was the poorest diet in terms of nutrient concentration, as revealed by the principal component analysis (PCA). There was no difference in weight between larvae reared on garden waste and those reared on vegetable waste. Tenebrio molitor and A. domesticus showed the maximum growth rates at 71–101 and 36–66 days of age at 22.5 ± 2.5 °C, respectively. The PCA showed that the protein and fibre concentrations were inversely proportional to fat concentration in the larvae. Acheta domesticus was rich in proteins, whereas Z. morio and T. molitor were rich in fat. Feeding nutrient-poor diets resulted in a lower protein and a higher fat concentration in the larvae.

scholarly journals Valorisation Potential of Using Organic Side Streams as Feed for Tenebrio molitor, Acheta domesticus and Locusta migratoria

Insects ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 796
Author(s):  
Meggie Van Peer ◽  
Lotte Frooninckx ◽  
Carl Coudron ◽  
Siebe Berrens ◽  
Carlos Álvarez ◽  
...  
Keyword(s):  
Locusta Migratoria ◽  
Tenebrio Molitor ◽  
Nutritional Composition ◽  
Acheta Domesticus ◽  
Protein Source ◽  
Research Information ◽  
Migratory Locust ◽  
Alternative Protein ◽  
Mass Conversion ◽  
The Eu

Due to increasing welfare and population, the demand for alternative protein sources, obtained with minimal use of natural resources, is rising in today’s society. Insects have the potential to be used as an alternative protein source since they are considered to be able to convert low-value biomass into high-value components, resulting in opportunities for valorisation of organic side streams. Moreover, insects are suggested to be a sustainable protein source, referring to the efficient “feed to body” mass conversion potential. The aim of this review was to explore the potential to rear the yellow mealworm (Tenebrio molitor), the house cricket (Acheta domesticus) and the migratory locust (Locusta migratoria) on low or not yet valorised organic side streams within the food supply chain. This was performed by collecting research information focusing on the rearing of the insects in scope on organic biomass. In addition, the nutritional composition of the produced insects as well as their dietary requirements will be reviewed. Finally, the availability of side streams in the EU will be discussed as well as their potential to be used as insects feed.

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