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abstracts - INCDCSZ Brasov

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Tab. 2 - Qualitative and technological characteristics of the potato dumplings produced by the three varieties,<br />

compared with the commercial sample<br />

Thesis<br />

Yellow<br />

index<br />

(b)<br />

Water<br />

adsobtion<br />

(p/p)<br />

543<br />

Water<br />

cooking<br />

colour<br />

Agria dumplings 33,7 1,0 0,1 absent<br />

Sieglide dumplings 38,4 1,2 0,4 absent<br />

Annabelle dumplings 34,8 1,1 0,6 absent<br />

Sediment in<br />

the cooking<br />

water<br />

Commercial sample 35,0 1,0 1,6 consistent<br />

Average 35,5 1,1 0,7<br />

Varianca analysis ** *** ***<br />

0= trasparent; 1= medium cloudy; 2= cloudy<br />

(*) 0 absent, 5 high<br />

(**) 0 high, 5 absent<br />

Agria Sieglide Annabelle Campione commerciale<br />

firmness (*)<br />

heart flavour (*)<br />

adhesiveness (*)<br />

5<br />

5<br />

4<br />

4<br />

3<br />

3<br />

2<br />

2<br />

1<br />

1<br />

0<br />

typical taste (*)<br />

stickiness (**)<br />

flavour (*)<br />

Fig. 1 - Results of the sensorial analysis of the potato dumplings compared<br />

Tab. 3- Class and number of compounds extracted by SPME<br />

compound classes<br />

Cooked<br />

potatoes<br />

Potato<br />

dumplings<br />

Commercial<br />

dumplings<br />

carboxylic acids 1 1 5<br />

alkene 1 4 5<br />

alcohol 3 8 3<br />

aldehydes 17 22 18<br />

Amine 1<br />

Ketones 5 6 3<br />

Quinone 1<br />

esthers 1 1 36<br />

ethers 1 2<br />

Furans 2 2 2<br />

Hydrocarbon 22 20 33<br />

Pyrazine 1 1<br />

Terpenes 1 1 3<br />

thiophenes 1<br />

alkaloid 1<br />

56 69 112

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