Novel Karaya Gum Derivatives Produced by Alkaline Hydrolysis and Periodate Oxidation for Active Packaging with Cinnamaldehyde

Table 2

Results of puncture and tensile tests of the films.

Starch film with	Elongation at puncture (%)	Puncture strength (N/mm^2)	Elongation-at-break (%)	Tensile strength (N/mm^2)
NKG	^bc	^c	^d	^bcd
HKG	^c	^d	^b	^a
OKG	^a	^a	^g	^de
HOKG	^c	^b	^e	^cde

Results are expressed as (). Means with different superscripts in a column are significantly different ().