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tipizzazione e caratterizzazione di varietà precoci di patata ... - PbgLab

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DEFINIZIONE DI UNA FIRMA “GEOCHIMICO-MINERALOGICA” DEI SUOLI DESTINATI ALLA PRODUZIONE DELLA PATATA PRECOCE VINGIANI<br />

Distanze legami<br />

Distanze legami<br />

2,5e7<br />

2e7<br />

1,5e7<br />

1e7<br />

5e6<br />

0<br />

2e6<br />

1,5e6<br />

1e6<br />

5e5<br />

0<br />

Siracusa<br />

Acireale e<br />

S. Venerina<br />

Capaccio<br />

Manfredonia<br />

Dendogramma per 39 casi<br />

Legame completo<br />

Distanze Euclidee<br />

Acireale e<br />

S. Venerina<br />

Dendogramma per 39 casi<br />

Legame completo<br />

Distanze Euclidee<br />

Manfredonia<br />

Siracusa<br />

Figura 5. — Dendrogramma <strong>di</strong> cluster analysis e <strong>di</strong>agramma <strong>di</strong> or<strong>di</strong>namento PCA della frazione estratta dai suoli me<strong>di</strong>ante EDTA (A, B) e<br />

NaNO 3 (C, D).<br />

alla <strong>patata</strong>” può costituire un marchio <strong>di</strong> origine dei<br />

tuberi. Ciò consentirà <strong>di</strong> in<strong>di</strong>viduare ed evitare fro<strong>di</strong><br />

<strong>di</strong> commercializzazione <strong>di</strong> tuberi provenienti da aree<br />

<strong>di</strong>verse da quelle <strong>di</strong>chiarate.<br />

Bibliografia<br />

1. John MD. Recent developments in food authentication. Analyst<br />

1998;123:151R-6R.<br />

2. Cosio MS, Ballabio D, Benedetti S, Gigliotti C. Evaluation of <strong>di</strong>ffer-<br />

Projection of the cases on the factor-plane (1 x 2)<br />

Cases with sum of cosine square ≥ 0.00<br />

ent storage con<strong>di</strong>tions of extra virgin olive oils with a innovative<br />

recognition tool built by means of electronic nose and electronic<br />

tongue. Food Chemistry 2007;101:485-91.<br />

3. Longobar<strong>di</strong> F, Casiello G, Sacco D, Tedone L, Sacco A. Characterisation<br />

of the geographical origin of Italian potatoes, based on<br />

stable isotope and volatile compound analyses. Food Chemistry<br />

2010;124:1708-13.<br />

4. Swoboda S, Brunner M, Boulyga SF, Galler P, Horacek M, Prohaska<br />

T. Identification of Marchfeld asparagus using Sr isotope ratio<br />

measurements by MC-ICP-MS. Anal BioanalChem 2008;390:487-94.<br />

5. Camin F, Larcher R, Nicolini G, Bontempo L, Bertol<strong>di</strong> D, Perini<br />

M et al. Isotopic and elemental data for tracing the origin of European<br />

olive oils. Journal of Agricultural and Food Chemistry<br />

2010;58:570-7.<br />

Vol. 24 - Suppl. 1 al N. 1 MINERVA BIOTECNOLOGICA 59<br />

Factor 2: 12.43%<br />

Factor 2: 14,17%<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

-2<br />

-4<br />

-6<br />

Active<br />

-8<br />

-12 14 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14<br />

Factor 1: 49.84%<br />

8<br />

6<br />

4<br />

2<br />

0<br />

-2<br />

-4<br />

-6<br />

-8<br />

Projection of the cases on the factor-plane (1 x 2)<br />

Cases with sum of cosine square ≥ 0.00<br />

Active<br />

-10<br />

-10 -5 0 5 15 20 25

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