1,721,272 research outputs found
Capitolo 9. Coltivazione delle specie arboree e arbustive. In: Le piante officinali. Vol. 1: Produzione e prima trasformazione
No full textAnalisi non distruttive per la valorizzazione degli scarti di produzione di una categoria di integratori alimentari a base erboristica: i gemmoderivati
No full textThe FINNOVER project: the green innovation in the industrial chain of bud-derivatives food supplements
No full textBud-derivates from woody ornamental trees and shrubs: the FINNOVER project
No full textFINNOVER (“Innovative strategies for the development of cross-border green supply chains”, ALCOTRA project 2017-2020 Italia-Francia, Finnover n° 1198) is an Alcotra Italy-France trans-frontier project, whose aim is the “green” innovation of different agro-industrial chains in terms of circular economy and, particularly, the eco-sustainable extraction and formulation of natural bioactive phytocomplexes in plant-based ingredients and/or dietary supplements (botanicals). Gemmotherapy is a branch of phytotherapy that uses meristematic fresh tissues of trees and plants, such as buds or young sprouts, by cold maceration in solvents (i.e., ethanol and glycerol). In the European Community this category of natural products is classified and commercialized as plant food supplements. The valorisation of bud by-products represents an interesting innovation in this field, since the phenological stage of buds or young sprouts extremely limits their collection period over time, making them quite expensive compared to other botanicals. This research aims to explore the potential usage of Pulsed Ultrasound-Assisted Extraction (PUAE) both for the bud-derivative production, comparing the obtained extracts with the traditional glyceric macerates, and to exploit the by-products of their supply chain. PUAE, an eco-sustainable and relatively low-cost procedure, has been employed aiming at increasing the extraction efficiency and at reducing the extraction-time. The lab-scale experimental conditions (i.e., ultrasounds amplitude, duty-cycle and time) have been optimized on Ribes nigrum L. buds by Design of Experiment (DoE) technique. The same solvent and solid/solvent rate of the commercial glyceric macerates have been used both for the buds and for their by-products. The quality and the quantity comparisons with the glyceric macerates were obtained by untargeted phytochemical fingerprints by UV-Vis and Fluorescence spectroscopy followed by targeted phytochemical fingerprints by HPLC
An innovative green extraction and re-use strategy to valorize food supplement by-products: Castanea sativa bud preparations as case study
No full textThis research takes place in the context of an Alcotra Italy-France trans-frontier project called FINNOVER, which includes among its objectives the "green" innovation of agro-industrial chains. Bud-derivatives are a category of natural products produced macerating meristematic tissues of trees and plants. They are quite expensive compared to other botanicals, since the collection period of their raw materials is extremely limited over the time. Pulsed Ultrasound-Assisted Extraction has been employed to extract further valuable material from the buds by-products remaining after the production of Castanea sativa Glyceric Macerates. UV-Visible spectra coupled with chemometrics were employed, as untargeted phytochemical fingerprints, to quickly screen the best experimental conditions of extraction: a duty cycle of 80%, an extraction time of 15 min and a solvent/ratio of 1/10. Targeted phytochemical fingerprints by HPLC have been used to identify and quantify the main bioactive compounds of the most promising marcs extract comparing it with the corresponding commercial Castanea sativa Glyceric Macerate. An innovative extraction and re-use strategy to obtain value-added products from botanicals by-products was developed in alternative to incineration or composting. It was applied to Castanea sativa buds production as case study, but it could be analogously applied for other herbal preparations
VALUTAZIONE DELL’AUTENTICITÀ DI ALIMENTI E INTEGRATORI ALIMENTARI A BASE VEGETALE MEDIANTE FINGERPRINT SPETTROFOTOMETRICA UV_VISIBILE E ANALISI STATISTICA MULTIVARIATA
No full textLo sviluppo di metodi di analisi rapidi e non distruttivi per assicurare l'autenticità di ciò che viene dichiarato nelle etichettedi alimenti ed estratti a base vegetale è di interesse comune sia per il settore industriale al fine di salvaguardare prodotti di qualità, sia per i consumatori. Se da un lato, la sostituzione anche parziale di un vegetale o di un suo estratto con un altro rappresenta un danno economico, dall’altro l’omissione di alcuni ingredienti, presenti, ma non dichiarati, potrebbe avere ripercussioni anche gravi sulla salute dei consumatori (es. allergeni nascosti). La maggior parte delle metodiche analitiche ad oggi riportate in letteratura per l’autenticazione dei succhi di frutta, come esempio di alimento a base vegetale, e di macerati glicerici o tinture madri, come esempio di integratori alimentari a base erboristica,implicano prevalentemente l’utilizzo di metodiche distruttive e/o di strumenti ad alto costo e/o l’uso di grandi quantità di solventi. Inoltre, tali metodiche sono spesso onerose da un punto di vista sia dei costi siadei tempi di analisi. Per ovviare a questi inconvenienti è stata messa a punto un’alternativa analitica rapida non distruttivada utilizzare quanto meno in una fase di screening, al fine di evidenziare rapidamente alcune delle più tipiche azioni illecite operate in questi settori. Il metodo analitico proposto si basa sulla spettroscopia UV-visibile e sull’analisi multivariata dei dati. La spettrofotometria UV-visibile, notoriamente poco costosa e di facile impiego, è stata utilizzata non in maniera tradizionale, bensì come tecnica aspecifica a fingerprintaccoppiandola alla analisi statistica multivariata
Pomegranate, bud-derivatives, and lavender: three example of eco-sustainable industrial supply chains
No full textThe development of sustainable solutions for the management of agricultural and food waste is currently one of the main challenges of our society. In developing countries, agriculture and food processing generate large amounts of waste and by-products, with a significant environmental, economic, and social impact. On the other hand, many of these products could represent a potential source of valuable compounds (i.e., bioactive compounds, macronutrients, micronutrients, and dietary fibers)1.
Pomegranate (Punica granatum) crop is nowadays spread all over the world for its high longevity, drought and salinity resistance and adaptability to different climatic conditions. Pomegranate juice is the main industrial product obtained from this fruit, and the by-products of this processing represent an expensive disposal problem but also a promising source of bioactive compounds to be exploited. Particularly, ellagic acid (EA), in its free form or in the form of ellagitannins (ETs), is considered the main phenolic compound responsible for the numerous health properties of pomegranate and is mainly concentrated in the by-products with respect to the juice (both external peels and internal edible marcs)2.
Bud-derivatives and lavender represent two supply chains studied in the Finnover "Innovative strategies for the development of cross border green supply chains" project, namely a cross-border Italy/France EU Interreg Alcotra project (2017-2021). The aims of this research project were the innovation and the sustainable implementation of several agro-industrial processing chains in view of the green circular economy and the valorization of the biodiversity of the Alcotra territory. In particular, the management of waste deriving from agricultural and food processing is one of the main topics of the project. Bud-derivatives, which represent a relatively new category of plant food supplements obtained macerating meristematic tissues of trees and plants (i.e., buds and young sprouts), are very expensive products compared to other botanicals, since the collection period of their raw materials is extremely limited over time3. Lavender essential oil has been widely used as herbal medicine for centuries in the traditional medicine. The solid by-products remaining after the distillation of lavender, are considered as a potential and still under-utilized source of phenolic compounds to be valorized.
In this study, the innovative and eco-compatible Pulsed Ultrasound-Assisted Extraction (PUAE) demonstrated to be a promising strategy to valorize these waste and by-products by obtaining in a very short time (10-20 min), using only food-grade extraction solvents, new potential ingredients to use in different fields (food, cosmetic, pharmaceutical etc.).
[1] C. Torres-León, N. Ramírez-Guzman, L. Londoño-Hernandez, G.A. Martinez-Medina, R. Díaz-Herrera, V. Navarro-Macias, O.B. Alvarez-Pérez, B. Picazo, M. Villarreal-Vázquez, J. Ascacio-Valdes, C.N. Aguilar, Front. Sustain. Food Syst. 2018, 2, 52.
[2] F. Turrini, R. Boggia, D. Donno, B. Parodi, G. Beccaro, S. Baldassari, M.G. Signorello, S. Catena, S. Alfei, P. Zunin, Eur Food Res Technol 2020, 246, 273-285.
[3] F. Turrini, D. Donno, G.L. Beccaro, P. Zunin, A.M. Pittaluga, R. Boggia, Foods, 2019, 8, 466
Green extractions and sustainable technologies in the Finnover project: health-promoting compounds from Castanea spp. bud-derivatives
No full textGreen economy is a sustainable tool for the development and valorisation of natural, social, and economic resources. It is recognized as a tool to produce goods and services, as well as for the sustainable conservation and use of natural resources. The FINNOVER project (“Innovative strategies for the development of cross-border green supply chains”) proposes a technical-economic path for the creation, development, and valorization of new supply chains for the eco-sustainable extraction and use of natural health-promoting compounds. In this study, an innovative “green” extraction strategy to produce healthy value-added products derived from herbal preparation by-products was developed as an alternative to traditional waste incineration or composting. Castanea spp. has been selected as a case study because it was widely used for hundreds of years as medicinal plants in composite formulae, but this approach could be analogously applied for other herbal extracts. Bioactive compounds (botanicals) are quite variable in the raw material, based on genotype (intraspecific chemodiversity), different collection stages, pedoclimatic conditions of sampling sites (wild or cultivation zones), agrotechniques, and post-harvest handling. This research aimed to compare the pattern of health-promoting agents in Castanea spp. bud-derivatives (herbal preparations derived from meristematic fresh plant tissues as buds and sprouts) with the composition of extracts derived from the bud-waste management process. Molecules were extracted by the encoded traditional method (maceration in hydroglyceroalcoholic solution) and by innovative sustainable extraction technologies (pulsed ultrasound-assisted extraction). HPLC methods were used to characterize the main bioactive compounds, and to obtain a specific profile to assess the contribution of each botanical class to the total phytocomplex. About the 13% of the C. sativa bud-derivative phytochemical content was preserved in the marc extracts and it could be recovered for further products. Cinnamic acids, vitamin C, and flavonols resulted as the most preserved classes of compounds in the marc extract after PUAE application. These results are very important because of the protective effects of polyphenols and vitamin C mainly ascribed to their antioxidant and anti-inflammatory capacities. The established protocol was simple, sensitive, and reliable, and it may be used for the evaluation of natural products and eco-sustainable preparations. The valorization of bud marcs, derived from the bud-derivative production, could be a very important re-use strategy and show a significant economic impact for the commercial producers, representing an important innovation in this sector
GREEN EXTRACTIONS FROM POMEGRANATE JUICE BY-PRODUCTS AND THEIR POTENTIAL USE AS NATURAL FOOD/COSMETIC PRESERVATIVES AND/OR BIOACTIVE INGREDIENTS
No full textThe high demand for pomegranate products has caused a significant increase in pomegranate juice production and a consequent substantial production of waste to be disposed of. The aim of this study is to investigate the potential of retrieving polyphenolic antioxidants directly from wet pomegranate juice marcs, the fresh by-products obtained after pomegranate juice processing
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