Effects of HPMC (Hydroxypropyl methylcellulose) on oil uptake and texture of gluten-free soy donut
- Authors
- Kim, Jihyun; Choi, Induck; Shin, Woo-Kyoung; Kim, Yookyung
- Issue Date
- 6월-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Soy donut; Soy flour; HPMC; Oil uptake; Texture
- Citation
- LWT-FOOD SCIENCE AND TECHNOLOGY, v.62, no.1, pp.620 - 627
- Indexed
- SCIE
SCOPUS
- Journal Title
- LWT-FOOD SCIENCE AND TECHNOLOGY
- Volume
- 62
- Number
- 1
- Start Page
- 620
- End Page
- 627
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/93351
- DOI
- 10.1016/j.lwt.2014.03.039
- ISSN
- 0023-6438
- Abstract
- We developed a gluten-free soy donut with HPMC (Hydroxypropyl methylcellulose) and investigated the effects of HPMC on the quality of a soy donut depending on the different ways of its addition. Soy donuts were prepared under three conditions: only soy (S), HPMC added soy (SH), and HPMC added and coated soy (SHC). A wheat donut was used as a control. The results showed that the S donut had approximately two times lower oil uptake and moisture loss compared to wheat control; however, the S donut had 30% less specific volume and three times harder texture. HPMC addition in soy donut (30.7 N) resulted in a decrease in the hardness to 23.5 N for SH and 20.8 N for SHC. In addition, the incorporation of HPMC gave soy donuts the further decrease in the oil uptake and moisture loss. For the method of adding HPMC, the SHC donut had less oil uptake and a softer texture than the SH. Among soy donuts, SHC has the desirable intensities of sensory attributes (texture and mouthfeel), resulting in the highest overall preference score, closer to that of the wheat donut. The addition of HPMC improves the quality of gluten-free donuts made entirely with soy flour. (C) 2014 Elsevier Ltd. All rights reserved.
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