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Microencapsulation Spray-dried Coconut Milk Powders Effect of emulsifier concentration on the efficiency of microencapsulated coconut milk powders

Proceeding from jhptump / 2018-02-10 11:46:49
Oleh : Alwani Hamad, Manop Suphantharika (hamadalwani@yahoo.co.id)
Dibuat : 2012-05-07, dengan 1 file

Keyword : coconut milk; microencapsulation; powder; spray dry; emulsifier

Coconut milk is the perishable food material





that used as a food ingredient to provide creaminess and





unique aroma in many cuisines. Thus,





microencapsulation with spray drying is the proper





method to extended shelf life. This study aimed to





investigate effects of the sodium caseinate concentration





used as an emulsifier on the efficiency of the





microencapsulated spray dried coconut milk powders.





The freshly prepared coconut milk was blended with





various concentrations of sodium caseinate i.e. 0,1,2,3 and





5% w/v and 10% (w/v) maltodextrin. The emulsion was





pasteurized at 70oC for 1 min, homogenized using the





high pressure homogenizer at 200/20 bar for five passes





and then spray dried by a spray dryer at 180oC for the





input temperature. The fat droplet size of the





homogenized coconut milks emulsion was found to be





decreased with increasing concentration of sodium





caseinate up to 3% and then increased there after. These





results indicate that the optimum concentration of sodium





caseinate was 3%. However, all the microencapsulated





spray dried coconut milk powders were very small and





microencapsulation efficiency (MEE) was not good (less





than 50%). This study showed that MEE was affected to





the present of emulsifier and surface fat. However the





increasing of emulsifier concentration would not influence





to the MEE.

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Kontributor...

  • 1.Department of Biotechnology, Faculty of Science, Mahidol University Rama VI Road, Bangkok, Thailand 10400





    2.Department of Chemical Engineering, Muhammadiyah University of Purwokerto Dukuh Waluh Road PO BOX 202 Purwokerto Indonesia 53182, Editor:

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