Valorization of Wastes from the Food Production Industry: A Review Towards an Integrated Agri-Food Processing Biorefinery

Paini, Jacopo; Ail, Snehesh Shivananda; Castaldi, Marco J.; Baratieri, Marco; Patuzzi, Francesco

doi:10.1007/s12649-021-01467-1

Cited by 42 publications

(25 citation statements)

References 112 publications

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“…Much of this fraction of plant biomass ends up as a low-value residue despite being a source of cellulose and other biomaterials [ 8 ]. Generally, processes that valorise agricultural residues are gaining an increasing attention due to economic and environmental consideration [ 9 ]. The efficient use of such residues can play a significant role in supporting bio-economy visions and shifting from linear to circular production systems [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Hemp Waste as a Substrate for Hermetia illucens (L.) (Diptera: Stratiomyidae) and Tenebrio molitor L. (Coleoptera: Tenebrionidae) Rearing

Yakti

Förster

Müller

et al. 2023

Insects

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The proper treatment of cannabis agricultural wastes can reduce the environmental impact of its cultivation and generate valuable products. This study aimed to test the potential of cannabis agricultural wastes as a substrate for the rearing of black soldier fly larvae (BSFL) and yellow mealworms (MW). In the case of BSFL, replacing the fibre component (straw) in the substrate with the hemp waste can increase the nutritional value of the substrate and led to bigger larvae. The bigger larvae had lower P and Mg, and higher Fe and Ca. Crude protein also varied based on the size of larvae and/or the content of protein in the initial substrate, which was boosted by replacing straw with hemp material. No other cannabinoids than cannabidiolic acid (CBDA), cannabigerolic acid (CBGA), and cannabidiol (CBD) were found in significant amounts in the larvae. In the case of MW, the larvae grew less on the hemp material in comparison to wheat bran. Replacing wheat bran with the hemp material led to smaller larvae with higher Ca, Fe, K, and crude protein content, but lower Mg and P values. No cannabinoids were detected in the MW fed with the hemp material.

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Section: Introductionmentioning

confidence: 99%

Hemp Waste as a Substrate for Hermetia illucens (L.) (Diptera: Stratiomyidae) and Tenebrio molitor L. (Coleoptera: Tenebrionidae) Rearing

Yakti

Förster

Müller

et al. 2023

Insects

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“…The valorization of waste from the agrifood industry is currently a hot topic in academic and industrial research activity. − As for our group, we had the opportunity to work on the mixture of fatty acid sodium salts and triglycerides, − known in the trade as soapstock, recovered after the neutralization step to which raw vegetable seed oils are submitted during the refinement process necessary to provide marketable edible oil. Soapstock is an alkaline mixture (pH ∼ 9–10) with a high content of residual water (nearly 50% w / w ), and it is considered a low-value source of fatty acids, the distribution of which depends on the botanical origin of the oil .…”

Section: Introductionmentioning

confidence: 99%

Lipase-Mediated Synthesis of Oleoyl Ethanolamide Starting from High-Oleic Sunflower Oil Soapstock

Brenna

Fabritiis

Parmeggiani

et al. 2023

ACS Sustainable Chem. Eng.

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This work describes the lipase-mediated synthesis of oleoyl ethanolamide, a dietary supplement for body weight loss recently approved by FDA. The target compound is prepared by conversion of the oleic acid contained in a mixture of fatty acids recovered by enzymatic hydrolysis of soapstock, a side-product of high oleic sunflower oil refinement. The use of a packed-bed reactor (a glass column loaded with the commercial lipase Lipozyme 435) in continuous flow mode improves the spacetime yield of the reaction and the catalyst productivity. The nontoxic, bioderived, and renewable solvent limonene is used in the reaction medium. The process has been run for more than 157 h of continuous operation, demonstrating the stability and efficiency of the biocatalyst. Additionally, at the end of the reaction, only oleoyl ethanolamide crystallizes from the reaction mixture, thus, it is collected by simple filtration of the outlet solution in 53% isolation yield, showing 99% chemical purity, while all the byproducts of the reaction are left behind in the mother liquors.

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“…Approximately one‐third of fruits worldwide is lost as waste along the production‐processing chain 16–18 . Fruit waste can be recycled in the preparation of livestock and aquafeed industries due to its high nutritional value and abundance of functional substances 19 . Additionally, as reviewed by Fierascu et al, 20 thousands of bioactive compounds, including but not limited to polyphenols, pectins and carotenoids, are derived from fruit by‐products with potential industrial applications as food additives and therapeutics.…”

Section: Introductionmentioning

confidence: 99%

Fruit processing by‐products in the aquafeed industry: A feasible strategy for aquaculture sustainability

Dawood

Habotta

Elsabagh

et al. 2022

Reviews in Aquaculture

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The aquaculture sector is steadily growing due to the increasing demand for healthy and cheap animal protein sources. Consequently, the high demand for nutritionally balanced aquafeed increases, but requires sustainable and feasible feed ingredients. However, the high cost of fish and soybean meals opens the door to looking for suitable non‐traditional feed ingredients. The processing of fruits results in high amounts of waste and by‐products, which are risky for the environment but rich in nutritional value. Recycling fruit waste in aquafeed is successfully applied and results in high growth performance, productivity and well‐being of aquatic animals. Fruit by‐products are also potential functional feed additives devoted to their high content of polyphenols, flavonoids, vitamins, minerals, polysaccharides and peptides. As functional components, fruit by‐products enhance the antioxidative and immune responses of aquatic animals and increase their tolerance for biotic and abiotic stressors. In light of reducing antimicrobial chemicals in aquaculture to mitigate antimicrobial resistance, dietary feed additives extracted from fruit by‐products can be used as eco‐friendly substances. The investigations involved in evaluating the incorporation of fruit by‐products and their derivatives in aquafeeds are explored in this review. An overview of the possibility of using non‐traditional plant products in aquaculture as a feasible and sustainable concept is addressed in this review. Academic knowledge with enough information for more development and research to maximise the utilisation of fruit by‐products in the aquafeed industry is also enriched.

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Valorization of Wastes from the Food Production Industry: A Review Towards an Integrated Agri-Food Processing Biorefinery

Cited by 42 publications

References 112 publications

Hemp Waste as a Substrate for Hermetia illucens (L.) (Diptera: Stratiomyidae) and Tenebrio molitor L. (Coleoptera: Tenebrionidae) Rearing

Hemp Waste as a Substrate for Hermetia illucens (L.) (Diptera: Stratiomyidae) and Tenebrio molitor L. (Coleoptera: Tenebrionidae) Rearing

Lipase-Mediated Synthesis of Oleoyl Ethanolamide Starting from High-Oleic Sunflower Oil Soapstock

Fruit processing by‐products in the aquafeed industry: A feasible strategy for aquaculture sustainability

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