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Some physical properties of edible squash (Cucurbita pepo L.) seeds
Scopus
Toplam 117 atıf DOI
Some physical properties of squash seeds at different moisture content (6.4-52.9%) were estimated. The role of moisture content was also studied. The results revealed that the mean values of seed length, width, thickness, geometric mean diameter, sphericity %, mass and volume were 18.16, 9.80, 2.67 mm, 43.0%, 0.29 g and 0.73 cm3, respectively. As moisture content increased from 6.4% to 52.9%, bulk density, true density, porosity %, projected area and terminal velocity increased from 350 to 475, 450 to 625 kg/m 3, 22.2% to 24.0%, 1.45 to 1.88 cm2 and 4.37 to 6.13 m/s, respectively. The corresponding values for squash kernel were 406-460, 615-657 kg/m3, 33.98-29.71%, 2.45-2.86 cm2, and 5.02-6.57 m/s, respectively. In contrast, the rupture strength of squash seeds decreased as the moisture content increased. The static coefficient of friction of squash seeds fluctuated from 0.18 to 0.64 over the surfaces of different materials. © 2004 Elsevier Ltd. All rights reserved.
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Modeling of some physical properties of watermelon (Citrullus Lanatus (THUNB.) MANSF.) seeds depending on moisture contents and mineral compositions
Scopus
Havuzumuzda 9 atıf almış
In this study, mineral contents for human diet and some physical properties that are important for the design of equipments for sowing, harvesting, processing, transportation, sorting, separation and packaging of watermelon seed (cv. Diyarbak{dotless}r) grown in South Eastern Turkey were determined. Those properties were evaluated as functions of moisture content in the moisture range from 6 to 28% dry basis (d.b.) for the rewetted watermelon seed. Results showed the average length, width, thickness, the geometric mean diameter, sphericity, 1000 seed weight, unit mass and volume of the seed were found as 10.8, 6.8, 2.3, 5.5 mm, 51.5%, 94.10 g, 0.089 g and 0.13 cm3, respectively. The bulk density decreased from 446.4 to 417.68 kg m-3, true density increased from 639 to 732 kg m-3, porosity increased from 30.79 to 45.46%, projected area increased from 0.42 to 0.60 cm2, terminal velocity increased from 4.45 to 4.82 m s-1 and the rupture force decreased from 9.94 N to 2.52 N, the sphericity increased from 51.48 to 52.31% while the moisture content of watermelon seed increased from 6 to 28% d.b. Mineral contents and chemical compositions of seeds including K, P, Ca, Na, Zn, Fe, crude protein, crude oil, crude fiber and total ash were 0.41, 0.74, 1.53, 0.062, 0.20, 0.13, 345.5, 520.0, 55.0 and 33.5 g kg-1, respectively. The physical properties varied as functions of moisture content for the rewetted watermelon seed. Those variations were evaluated as mathematical model.
Atıf Yapan Makale Bilgileri
Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey