Evaluation of Functional and Pasting Properties of Blends of High Quality Cassava, Defatted Tigernut and Chicken Feet Composite Flour
Efuribe Nnenna Edith,
Adebowale Abdul-Rasaq Adesola,
Shittu Taofik Akinyemi,
Adebambo Ayotunde Olutumininu
Issue:
Volume 6, Issue 6, November 2018
Pages:
135-142
Received:
5 November 2018
Accepted:
14 December 2018
Published:
10 January 2019
DOI:
10.11648/j.jfns.20180606.11
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Abstract: Annually, the chicken processing industries generate significant quantities of chicken feet which are often discarded because they are undervalued and underutilized. However, this study was done to add value to chicken feet by evaluating the functional and pasting properties of high quality cassava-defatted tigernut-chicken feet composite blend. Tigernut seeds and chicken feet were processed into flour respectively. Simplex centroid mixture design was used to generate fourteen (14) blends based on the HQCF (70-90%), CFF (5-45%) and DTNF (5-45%). Standard laboratory procedures were used to determine the functional properties (swelling power (SP), water absorption capacity (WAC), oil absorption capacity (OAC), bulk density (BD), least gelation concentration (LGC) and pasting properties of the blends. Results showed significant differences (P<0.05) in the functional properties of composite flour in terms of swelling power, water absorption capacity (WAC), oil absorption capacity (OAC), bulk density (BD) and least gelation concentration (LGC) ranging from 3.83-5.72 (g/g), 90.43-110.40 (%), 87.86-107.23 (%), 0.51-0.75 (g/ml), and 2.00-10.00 (%w/v) respectively. The pasting profile (peak viscosity, trough, breakdown viscosity, final viscosity, setback viscosity, peak time and peak temperature) of the high quality cassava-defatted tigernut-chicken feet flour blends had significant differences (P<0.05) with values ranging from 76.50-434(RVU), 52.17 – 157.09 (RVU), 20.33 -262.96 (RVU), 76.71-215.13 (RVU), 24.55-59.25 (RVU), 4.17-4.90 (Min) and 94.28-95.88(0C). As CFF and DTNF inclusion increased, the peak, trough, breakdown, final and setback viscosities decreased. This study revealed that chicken feet flour could be a good food ingredient in food formulations such as short crust pastries, sauces, weaning foods and gravies to reduce their paste thickness.
Abstract: Annually, the chicken processing industries generate significant quantities of chicken feet which are often discarded because they are undervalued and underutilized. However, this study was done to add value to chicken feet by evaluating the functional and pasting properties of high quality cassava-defatted tigernut-chicken feet composite blend. Ti...
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Fatty Acids, Triacylglycerol and Sn -2 Fatty Acids Distributions Variations in Seed Oil from Camellia Cultivars
Jianbo Liu,
Zepeng Liao,
Tingyou Sun,
Na Feng,
Qizhi Long,
Haiyan Zhong,
Bo Zhou
Issue:
Volume 6, Issue 6, November 2018
Pages:
143-153
Received:
17 December 2018
Accepted:
5 January 2019
Published:
28 January 2019
DOI:
10.11648/j.jfns.20180606.12
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Abstract: Camellia seed oil is widely used in the food, health, cosmetics and medicine industries in China. The present study aimed to investigate fatty acids, triacylglycerols (TGAs) and sn-2 fatty acids distributions variations in seed oil from 46 kinds of Camellia cultivars. The predominant fatty acids was oleic acid (18:1ω9) with 71.30% (average). The sn-2 position was mainly occupied by oleic acid, linoleic acid and palmitic acid. Fifteen TAGs species were found and the main TAGs were OOO + SLO, OOP and OOL+SLL. The trisaturated TAGs species were not detected. These results indicated significant changes in the profiles of fatty acids, sn-2 position fatty acids and TGAs, and in contents of these in seed oils from different Camellia cultivars (P< 0.05). Saturated fatty acids is not positively related to its distribution in sn-2 position. The data in present paper may be important as a reference for adulteration of camellia seed oil with other oils.
Abstract: Camellia seed oil is widely used in the food, health, cosmetics and medicine industries in China. The present study aimed to investigate fatty acids, triacylglycerols (TGAs) and sn-2 fatty acids distributions variations in seed oil from 46 kinds of Camellia cultivars. The predominant fatty acids was oleic acid (18:1ω9) with 71.30% (average). The sn...
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