Cellulose 纖維素

choi

本文通过一路BBS站telnet客户端发布


Sarah Nassauer, Why Wood Pulp Makes Ice Cream Creamier. Wall Street Journal, May 4, 2011.
http://online.wsj.com/article/SB10001424052748703834804576300991196803916.html

Note:
(a) colloid
http://en.wikipedia.org/wiki/Colloid
(A hydrocolloid is defined as a colloid system wherein the colloid particles are dispersed in water)

Chemically, a typical hydrocolloid is emulsion, where an individual particle with an oil core is separated nd stabilized--so that the oil droplets will not rise to the top--by a molecule with polar/hydrophilic and apolar/hydrophobic ends. See the last illustration in

13.6 Colloids
http://wps.prenhall.com/wps/media/objects/3082/3156628/blb1306.html

* stearic acid 硬脂酸
http://en.wikipedia.org/wiki/Stearic_acid
(chemical formula CH3(CH2)16COOH; Its name comes from the Greek word for "tallow")

tallow: translated as 牛(羊)油, 獸脂 in Taiwan

(b) blanch (vi; blanc, adjective, white): "to become white or pale"
www.m-w.com
(c) The report says, "Insoluble dietary fibers like cellulose aren't digestible by humans."

Cellulose can be digested by cellulase.
http://en.wikipedia.org/wiki/Cellulase

Termites have it. Ruminants such as cattle have cellulase-containing microorganisms in the rumen.
(d) psyllium
http://en.wikipedia.org/wiki/Psyllium

--