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KMID : 1024420100140010060
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Food Engineering Progress
2010 Volume.14 No. 1 p.60 ~ p.64
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Effect of Broccoli Powder Incorporation on Physicochemical Properties of Cookies
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Lee Jun-Ho
Lee Hye-Young
Sung Chang-Yong
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Abstract
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Freeze-dried broccoli powder was incorporated into cookie dough at 5 levels (0, 1, 2, 3, and 4%, w/w) by replacing equivalent amount of wheat flour of the cookie dough. After aging and sheeting, cookies were baked at 170˚C for 8 min in an oven. The baked cookies were cooled to room temperature for 1 hr and packed in airtight bags prior to all measurements. The pH and moisture content were ranged 6.74-6.90 and 2.67-4.12% (wet basis) depending on the broccoli powder level, respectively. Lightness (L*-value), redness (a*-value), and hardness decreased while yellowness (b*-value) increased significantly as the broccoli powder content increased (p<0.05). Spread factor of the control was significantly lower than that of samples containing broccoli powder regardless of the concentration (p<0.05) and increased significantly with increase in broccoli powder content (p<0.05). The broccoli concentration correlated significantly with most of properties except for pH and spread factor (p<0.05 or p<0.01). Hardness correlated negatively with moisture content (p<0.05) but correlated positively with spread factor (p<0.01).
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KEYWORD
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cookies, broccoli, powder, incorporation, physicochemical properties
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