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A storage study of encapsulated gac (Momordica cochinchinensis) oil powder and its fortification into foods

Paper ID Volume ID Publish Year Pages File Format Full-Text
18827 43035 2015 13 PDF Available
Title
A storage study of encapsulated gac (Momordica cochinchinensis) oil powder and its fortification into foods
Abstract

•The degradation rate of β-carotene and lycopene in gac oil powder was best fitted by a first-order reaction.•Encapsulated gac oil powder was stable when stored at low temperatures in absence of air and light.•Encapsulated gac oil powder was easily incorporated into dairy and cake mix products.•Encapsulated gac oil powder could be used as natural colourant and nutrient supplement.

This study investigated the effects of different storage conditions, temperatures of −20, 10, room temperature (RT), 40 and 63 °C for up to 12 months in the presence or absence of air and light, on the stability of an encapsulated gac (Momordica cochinchinensis) oil powder. A stability trial of the encapsulated oil powder incorporated into yoghurt, pasteurised milk and cake mix stored at 4 ± 0.5 °C and RT for different storage times was also carried out. The results showed that a progressive degradation of colour, β-carotene and lycopene, and a progressive increase in surface oil content and peroxide value (PV) occurred in the encapsulated powders with increasing storage temperatures and storage times. However, the degradation was much less when the encapsulated powder was stored at low temperature in the absence of air and light. The degradation of β-carotene and lycopene in all samples during storage fitted a first-order reaction. The sorption curves of the encapsulated powders at 10, 30 and 40 °C were fitted with BET and GAB models. The results also showed that the encapsulated gac oil powder could be successfully incorporated into food products in terms of retention of colour, β-carotene and lycopene, and low PV.

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Keywords
Storage; Encapsulation; Spray drying; Gac oil; Carotenoid; Fortification
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A storage study of encapsulated gac (Momordica cochinchinensis) oil powder and its fortification into foods
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 96, October 2015, Pages 113–125
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us