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Valore nutritivo e pregi alimentari delle castagne

Authors: BOUNOUS, Giancarlo; BOTTA, Roberto; BECCARO, GABRIELE LORIS;

Valore nutritivo e pregi alimentari delle castagne

Abstract

Le castagne rispondono alle attuali esigenze dei consumatori, orientati verso cibi che apportano sostanze biologicamente attive, fondamentali per una sana alimentazione. Frutti nutrienti e digeribili, soddisfano la crescente voglia di cibi naturali e genuini derivando da una coltura che, soprattutto nelle zone maggiormente vocate, non richiede uso di fitofarmaci e rispetta pienamente i canoni dell’agricoltura biologica. Dal punto di vista nutrizionale sono simili al frumento e al riso e perciò sono stati definiti “il cereale che cresce sull’albero”. Le riflessioni sul valore dietetico e nutrizionale del presente lavoro sono state effettuate attingendo sia ai dati della letteratura disponibile sia commentando i risultati di analisi biochimiche svolte su campioni di due cultivar cuneesi ben distinte tra loro per caratteristiche tecnologiche e merceologiche ma emblematiche della realtà cuneese: il Marrone (campioni di frutti surgelati), tradizionalmente utilizzato in pasticceria fine e per caldarroste, e la Gabbiana (campioni di frutti secchi), classica varietà da essiccare e per farina. L’amido è stato valutato per via enzimatica e gli zuccheri per HPLC mentre la fibra alimentare con analisi enzimatica. Per la determinazione delle proteine, il valore dell’azoto secondo Kjeldahl è stato moltiplicato per 5,3. Il contenuto in grassi è stato calcolato per gravimetria dopo estrazione Soxhlet ed i singoli acidi grassi per gascromatografia. Calcio, magnesio, potassio, fosforo e ferro sono stati valutati mediante spettrometria di emissione con sorgente a plasma.

Country
Italy
Related Organizations
Keywords

Castanea sativa; qualità; cultivar

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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