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Steam-Cooking and Dry Heating Produce Resistant Starch in Legumes

Tovar, Juscelino LU orcid and Melito, Carmelo (1996) In Journal of Agricultural and Food Chemistry 44(9). p.2642-2645
Abstract

Starch was isolated from either raw or steam-heated black, red, and lima beans. Isolates from steam-heated legumes were rich in indigestible (resistant) starch (19-31%, dmb), a fact not observed when raw seeds were used. Similarly, resistant starch measured directly in conventionally and high-pressure steamed beans was 3-5 times higher than in the raw pulses, suggesting retrogradation as the major mechanism behind the reduction in digestibility. Thus, steam-heating comes forth as an effective way to produce resistant starch in legumes. Prolonged steaming as well as short dry pressure heating decreased the enzymatically assessed total starch content of whole beans by 2-3% (dmb), indicating that these treatments may induce formation of... (More)

Starch was isolated from either raw or steam-heated black, red, and lima beans. Isolates from steam-heated legumes were rich in indigestible (resistant) starch (19-31%, dmb), a fact not observed when raw seeds were used. Similarly, resistant starch measured directly in conventionally and high-pressure steamed beans was 3-5 times higher than in the raw pulses, suggesting retrogradation as the major mechanism behind the reduction in digestibility. Thus, steam-heating comes forth as an effective way to produce resistant starch in legumes. Prolonged steaming as well as short dry pressure heating decreased the enzymatically assessed total starch content of whole beans by 2-3% (dmb), indicating that these treatments may induce formation of other types of indigestible starch.

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author
and
publishing date
type
Contribution to journal
publication status
published
keywords
Beans, Dry heating, Legumes, Resistant starch, Starch digestibility, Steam-cooking
in
Journal of Agricultural and Food Chemistry
volume
44
issue
9
pages
4 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • scopus:0000094465
ISSN
0021-8561
DOI
10.1021/jf950824d
language
English
LU publication?
no
id
f0bc7059-884e-4524-b183-fac8d06eaa85
date added to LUP
2018-10-05 16:01:28
date last changed
2024-01-15 02:52:48
@article{f0bc7059-884e-4524-b183-fac8d06eaa85,
  abstract     = {{<p>Starch was isolated from either raw or steam-heated black, red, and lima beans. Isolates from steam-heated legumes were rich in indigestible (resistant) starch (19-31%, dmb), a fact not observed when raw seeds were used. Similarly, resistant starch measured directly in conventionally and high-pressure steamed beans was 3-5 times higher than in the raw pulses, suggesting retrogradation as the major mechanism behind the reduction in digestibility. Thus, steam-heating comes forth as an effective way to produce resistant starch in legumes. Prolonged steaming as well as short dry pressure heating decreased the enzymatically assessed total starch content of whole beans by 2-3% (dmb), indicating that these treatments may induce formation of other types of indigestible starch.</p>}},
  author       = {{Tovar, Juscelino and Melito, Carmelo}},
  issn         = {{0021-8561}},
  keywords     = {{Beans; Dry heating; Legumes; Resistant starch; Starch digestibility; Steam-cooking}},
  language     = {{eng}},
  month        = {{01}},
  number       = {{9}},
  pages        = {{2642--2645}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of Agricultural and Food Chemistry}},
  title        = {{Steam-Cooking and Dry Heating Produce Resistant Starch in Legumes}},
  url          = {{http://dx.doi.org/10.1021/jf950824d}},
  doi          = {{10.1021/jf950824d}},
  volume       = {{44}},
  year         = {{1996}},
}