taste and appetite
wuzzy
affected by taste loss:
they cite the following interesting small study:
also how during respiratory infections you get low sensitivity to
sweet/salt etc. and therefore lower appetite..
J Womens Health 1999 Jan-Feb;8(1):109-13 Related Articles, Books,
LinkOut
Maintenance of weight loss using taste and smell sensations.
Poothullil JM.
Brazosport Memorial Hospital, Lake Jackson, Texas 77566, USA.
The mechanism responsible for matching the intake and expenditure of
nutrients in order to maintain body weight is not fully understood.
Seven females learned to terminate the act of eating when the
pleasantness of flavor of food subsided during a meal. By the end of 1
month, significant weight loss took place in the study group compared
with the baseline weight (p < 0.01) and was maintained throughout the
study period of 1 year. Focusing on the changes in oronasal sensory
signals during a meal could facilitate weight maintenance.
wuzzy
mechanisms on food intake: hence the obesity and hyperphagia following
cafeteria diets (by definition palatable) in rats/humans..
basically design of food for low kcal must be a combination of
satiating and not-pallatable. Maybe pallatable enough to encourage
low kcal but not enough to be cafeteria-like..
>
> Maintenance of weight loss using taste and smell sensations.
>
> Poothullil JM.
>
> Brazosport Memorial Hospital, Lake Jackson, Texas 77566, USA.
>
hilite
>Interestingly, highly palatable foods override the presumed inhibitory
>mechanisms on food intake: hence the obesity and hyperphagia following
>cafeteria diets (by definition palatable)
But certainly not highly palatable ...grin
Michael Tordoff
> mechanisms on food intake: hence the obesity and hyperphagia following
> cafeteria diets (by definition palatable) in rats/humans..
>
> basically design of food for low kcal must be a combination of
> satiating and not-pallatable. Maybe pallatable enough to encourage
> low kcal but not enough to be cafeteria-like..
>
wuzzy
>It's important to distinguish between highly palatable foods and =
>cafeteria diets. The best research in rats shows that highly
>diets may induce a transient hyperphagia but they do not produce
>[1]. Most cafeteria diets (those fed to rats as well as humans) are
>both highly palatable and have high energy density. It's the energy
>density, not the taste, that is responsible for the effects on body =
>weight.
>1. Naim, M., et al., Energy intake, weight gain and fat deposition in
>rats fed flavored, nutritionally controlled diets in a multichoice =
>("cafeteria") design. J Nutr, 1985. 115(11): p. 1447-58.
>Mike Tordoff
>Monell Chemical Senses Center
>Philadelphia
Thanks for the correction.
Clearly the high-energy density of cafeteria diet is a leading cause
of obesity.
As an aside, have you read
-PHysiology & behavior, Vol 53, p 1133-1144, 1993: Effects of the
Spontaneous Ingestion of particular foods or beverages on the meal
pattern and overall nutrient intake of humans. John De castro.
I'd like to hear anyone's opinion on this article. I believe this is
the single most important article ever published on the topic of human
appetite because it is the only massive real-life study I am aware of
in humans (no manipulation).(i'd greatly appreciate others if anyone
is aware of them)
The conclusions of the article are:
1)Food *never* displaces nutrients. If you add a food item to a meal,
your day-long and meal Kcal will increase no matter what that food is.
In other words, in real people, assessed retrospectively, inclusion
of any food in a meal means larger meals. If you ate an apple on day
33, chances are your calories for that meal and calories for that day
where higher. This is true of all foods including high fiber and is
especially true of high fat foods. As an easy example, men eat more
fiber and "satiating foods" than women.
Basically there really isn't such a food as "satiating", there is
however ranking of foods into "satiating". But I don't think
satiation is a factor in american diet, ppl are not eating because
they are deficient or empty stomach or for gluco/aminostatic reasons..
i don't think..
This is evidence, I think, that you cannot add foods to displace or
reduce food intake. ie. even adding diet cola will not reduce daily
food intake (although people who drink diet cola ate smaller meals on
all days even when they didn't drink diet cola, they didn't eat less
on days that they drank the diet coke). This conflicts with
laboratory data in which high fiber foods (ie. guar gum) reduced 2nd
meal..