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Effects of Different Types of Yam (Dioscorea alata) Products on the Blood Pressure of Spontaneously Hypertensive Rats
Author(s) -
Yuh-Hwa Liu,
Yin-Shiou Lin,
Der-Zen Liu,
Chuan-Hsiao Han,
Ching-Tan CHEN,
Mike Fan,
WenChi Hou
Publication year - 2009
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.90022
Subject(s) - dioscorea , blood pressure , alcohol , food science , chemistry , medicine , biochemistry , alternative medicine , pathology
The aim of the present study was to investigate different yam treatments, including powdered-yam-products (PYP) and liquid-yam-products (LYP), with respect to spontaneously hypertensive rats (SHRs) blood pressure. PYP included alcohol-insoluble-solids of yam tuber, hot-air-drying (HAD) of yam tuber slices, steam-cooked once or twice followed by HAD which were subsequently powdered. LYP included water extracts of yam tuber (WEY) heated at 90 degrees C (WEY90H) or 95 degrees C for 10 min (WEY95H), and then stored at 4 degrees C for different numbers of day. PYP, WEY, and WEYH were found effectively to reduce the blood pressure of SHR and should be beneficial in food processing in the development of functional foods for blood pressure regulation.

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