Small food texture modifications can be used to change oral processing behaviour and to control ad libitum food intake

Consuming foods with a form or a texture that requires longer oral processing is a way to decrease food intake. Although this approach is promising for leveraging healthier eating patterns in adults, it has never been explored in children. This study evaluated whether starting a mid-afternoon snack by eating either apple segments or applesauce would modify hunger and subsequent food intake during this meal. Forty-four children (8–10 years old) participated in two videotaped mid-afternoon snacks, during which they received one of the two forms of apple as a food preload followed 10 min later by ad libitum consumption of sweetened cottage cheese. They self-reported their level of hunger throughout consumption, and the weight of cottage cheese consumed was determined at the end of the snack. Children's chewing capabilities and eating traits were parent-reported. Eating a raw apple increased oral exposure time and decreased bite size compared to eating applesauce. However, neither the reported hunger nor consecutive food intake were modified. Regardless of the meal, children eating fast had a higher ad libitum energy intake. The individual eating rate for the cottage cheese was correlated with the eating rate observed for applesauce but not for apple segments, the latter being associated with children's chewing difficulties. This study suggests that the form of a fruit offered at the start of a mid-afternoon snack does not impact food intake; the findings clearly call for more exploration of satiation mechanisms related to food texture properties among children and indicate the need to consider children's oral processing skills.

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Effect of food texture and responsive feeding on food intake of infants aged 9–11 months, West Gojjam, Ethiopia

Cogent Food & Agriculture ◽

10.1080/23311932.2021.1924431 ◽

2021 ◽

Vol 7 (1) ◽

pp. 1924431

Author(s):

Mulubrhan Kahsay Atsbha

Keyword(s):

Food Intake ◽

Food Texture ◽

West Gojjam ◽

Effect Of Food

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ACCELERATION OF ANNUAL HIBERNATING CYCLE TO 6 WEEKS IN CAPTIVE DORMICE

Canadian Journal of Zoology ◽

10.1139/z66-092 ◽

1966 ◽

Vol 44 (5) ◽

pp. 903-910 ◽

Cited By ~ 20

Author(s):

N. Mrosovsky

Keyword(s):

Body Weight ◽

Food Intake ◽

Sunflower Seed ◽

Body Temperatures ◽

Glis Glis ◽

Ad Libitum

Cycles of food intake and body weight lasting a few weeks occurred in dormice, Glis glis, kept in the laboratory in relatively constant conditions of temperature (about 25 °C) and photoperiod (about 12 hours light–dark schedule). These fluctuations appeared to be more marked in the winter months. Periods of reduced eating were associated with low body temperatures and lethargy. The frequent disturbance and arousal of the animals was probably an important factor in these short hibernating cycles. The influence of variation of the diet on body weight of dormice is described. Animals kept on ad libitum supplies of sunflower seed became obese and remained so for many months.

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Neuropeptide Y1 and Y5 Receptors Mediate the Effects of Neuropeptide Y on the Hypothalamic-Pituitary-Thyroid Axis

Endocrinology ◽

10.1210/en.2002-220574 ◽

2002 ◽

Vol 143 (12) ◽

pp. 4513-4519 ◽

Cited By ~ 56

Author(s):

Csaba Fekete ◽

Sumit Sarkar ◽

William M. Rand ◽

John W. Harney ◽

Charles H. Emerson ◽

...

Keyword(s):

Thyroid Hormone ◽

Food Intake ◽

Neuropeptide Y ◽

Paraventricular Nucleus ◽

Receptor Agonist ◽

Pituitary Thyroid Axis ◽

Thyroid Axis ◽

Ad Libitum ◽

Thyroid Hormone Levels ◽

Hpt Axis

Abstract Neuropeptide Y (NPY) is one of the most important hypothalamic-derived neuropeptides mediating the effects of leptin on energy homeostasis. Central administration of NPY not only markedly stimulates food intake, but simultaneously inhibits the hypothalamic-pituitary-thyroid axis (HPT axis), replicating the central hypothyroid state associated with fasting. To identify the specific NPY receptor subtypes involved in the action of NPY on the HPT axis, we studied the effects of the highly selective Y1 ([Phe7,Pro34]pNPY) and Y5 ([chicken pancreatic polypeptide1–7, NPY19–23, Ala31, Aib32 (aminoisobutyric acid), Q34]human pancreatic polypeptide) receptor agonists on circulating thyroid hormone levels and proTRH mRNA in hypophysiotropic neurons of the hypothalamic paraventricular nucleus. The peptides were administered continuously by osmotic minipump into the cerebrospinal fluid (CSF) over 3 d in ad libitum-fed animals and animals pair-fed to artificial CSF (aCSF)-infused controls. Both Y1 and Y5 receptor agonists nearly doubled food intake compared with that of control animals receiving aCSF, similar to the effect observed for NPY. NPY, Y1, and Y5 receptor agonist administration suppressed circulating levels of thyroid hormones (T3 and T4) and resulted in inappropriately normal or low TSH levels. These alterations were also associated with significant suppression of proTRH mRNA in the paraventricular nucleus, particularly in the Y1 receptor agonist-infused group [aCSF, NPY, Y1, and Y5 (density units ± sem), 97.2 ± 8.6, 39.6 ± 8.4, 19.9 ± 1.9, and 44.6 ± 8.4]. No significant differences in thyroid hormone levels, TSH, or proTRH mRNA were observed between the agonist-infused FSanimals eating ad libitum and the agonist-infused animals pair-fed with vehicle-treated controls. These data confirm the importance of both Y1 and Y5 receptors in the NPY-mediated increase in food consumption and demonstrate that both Y1 and Y5 receptors can mediate the inhibitory effects of NPY on the HPT axis.

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Effect of intraruminal infusion of urea on the response in voluntary food intake by sheep

Australian Journal of Agricultural Research ◽

10.1071/ar9850483 ◽

1985 ◽

Vol 36 (3) ◽

pp. 483 ◽

Cited By ~ 35

Author(s):

JK Egan ◽

PT Doyle

Keyword(s):

Organic Matter ◽

Food Intake ◽

Dry Matter ◽

Block Design ◽

Ammonia Nitrogen ◽

Dry Matter Intake ◽

Plant Cell Walls ◽

Randomized Block Design ◽

Ad Libitum ◽

Ad Libitum Intake

Six mature Merino sheep received three treatments in a randomized block design experiment. The treatments were: chopped oaten hay diet at 90% of ad libitum intake without urea (L); the ciet offered at the same level as for L with urea infused into the rumen at 11.5 g kg-1 dry matter intake (LU); and the diet offered at 90% of the ad libitum intake achieved with urea infused at 11.5 g kg-1 dry matter intake (HU). Sheep given HU consumed 37% more (P < 0.01) organic matter (OM) than those fed L or LU, but the apparent digestibility of OM did not vary (59.2-61.8%) between treatments. The addit onal food consumption was associated with c. 20% increase (P < 0.05) in the weight of OM in the reticulorumen and significantly higher (by 10-35%; P < 0.05) fractional outflow rates of most dietary and microbial constituents of digesta. The fractional digestion rate of potentially digestible plant cell walls was not affected by urea, but the flow of microbial non-ammonia nitrogen from the abomasum was enhanced (L, 7.0; LU, 8.2; HU, 12.5 g day-1; P < 0.05). The results of this study suggest that the stimulatory effect of urea upon food intake was associated with the provision of additional microbial protein for digestion in the intestines, rather than changes in the rate or extent of organic matter fermentation in the reticulorumen.

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A Comparison of Total Food Intake at a Personalised Buffet in People with Obesity, before and 24 Months after Roux-en-Y-Gastric Bypass Surgery

Nutrients ◽

10.3390/nu13113873 ◽

2021 ◽

Vol 13 (11) ◽

pp. 3873

Author(s):

Natasha Kapoor ◽

Werd al Najim ◽

Camilo Menezes ◽

Ruth K Price ◽

Colm O’Boyle ◽

...

Keyword(s):

Gastric Bypass ◽

Food Intake ◽

Gastric Bypass Surgery ◽

Caloric Intake ◽

High Energy ◽

Relative Increase ◽

High Energy Density ◽

Total Food Intake ◽

Ad Libitum ◽

Operative Assessment

Long-term reductions in the quantity of food consumed, and a shift in intake away from energy dense foods have both been implicated in the potent bariatric effects of Roux-en-Y gastric bypass (RYGB) surgery. We hypothesised that relative to pre-operative assessment, a stereotypical shift to lower intake would be observed at a personalised ad libitum buffet meal 24 months after RYGB, driven in part by decreased selection of high energy density items. At pre-operative baseline, participants (n = 14) rated their preference for 72 individual food items, each of these mapping to one of six categories encompassing high and low-fat choices in combination with sugar, complex carbohydrate or and protein. An 18-item buffet meal was created for each participant based on expressed preferences. Overall energy intake was reduced on average by 60% at the 24-month buffet meal. Reductions in intake were seen across all six food categories. Decreases in the overall intake of all individual macronutrient groups were marked and were generally proportional to reductions in total caloric intake. Patterns of preference and intake, both at baseline and at follow-up appear more idiosyncratic than has been previously suggested by verbal reporting. The data emphasise the consistency with which reductions in ad libitum food intake occur as a sequel of RYGB, this being maintained in the setting of a self-selected ad libitum buffet meal. Exploratory analysis of the data also supports prior reports of a possible relative increase in the proportional intake of protein after RYGB.

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A note on the effects of frequency and method of feeding milk substitute on the performance of Friesian and Ayrshire calves

Animal Science ◽

10.1017/s0003356100017153 ◽

1973 ◽

Vol 17 (3) ◽

pp. 333-336 ◽

Cited By ~ 4

Author(s):

P. J. Broadbent

Keyword(s):

Food Intake ◽

Cold Water ◽

Live Weight ◽

Drinking Behaviour ◽

Milk Consumption ◽

Blood Temperature ◽

Whole Milk ◽

Milk Substitute ◽

Liquid Milk ◽

Ad Libitum

SUMMARY1. Forty British Friesian and 33 Ayrshire male calves were reared on one of three treatments differing in frequency and method of feedingwhole milk and milk substitute.2. The calves were introduced to their treatments on arrival. The Ayrshire calves were offered whole milk for 24 days as two feeds of up to 1·42 litres warm milk each (2W), or one feed of up to 2·84 litres warm milk (1W) daily, or cold milk ad libitum (AC). Thereafter they received milk substitute on one of the following regimes which were applied to the Friesian calves from arrival. The regimes were 454 g milk-substitute powder reconstituted at the rate of 158 g per litre warm water (approximately blood temperature) given in two feeds of 227 g per day (2W) or one feed of 454 g per day (1W), and milk-substitute powder reconstituted with cold water at the rate of 100 g per litre offered ad libitum (AC).3. Calves on treatment AC had higher live-weight gains and consumed more whole milk, milk substitute and less concentrates than those on other treatments. These differences were significant. There were differences in drinking behaviour on treatment AC between Friesian and Ayrshire calves which may have been due to differences in age at the start of the experiment. Solid food intake was affected by both level and pattern of liquid milk consumption. The practical and financial implications of treatment AC are discussed.

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Food Texture, Oral Processing and Satiation: Examining Their Relationship

Encyclopedia of Food Chemistry ◽

10.1016/b978-0-08-100596-5.21717-4 ◽

2019 ◽

pp. 150-153

Author(s):

Danaé S. Larsen

Keyword(s):

Food Texture ◽

Oral Processing

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Influence of the subfornical organ on meal-associated drinking in rats

AJP Regulatory Integrative and Comparative Physiology ◽

10.1152/ajpregu.2001.280.3.r669 ◽

2001 ◽

Vol 280 (3) ◽

pp. R669-R677 ◽

Cited By ~ 7

Author(s):

Elizabeth M. Starbuck ◽

Douglas A. Fitts

Keyword(s):

Food Intake ◽

Hypertonic Saline ◽

Food Deprivation ◽

Water Deprivation ◽

Plasma Osmolality ◽

Subfornical Organ ◽

Intragastric Administration ◽

Drinking Patterns ◽

Ad Libitum ◽

Ad Libitum Feeding

A lesion of the subfornical organ (SFO) may disrupt drinking after a meal of dry chow as it does drinking after intragastric administration of hypertonic saline. Food and water intakes of SFO-lesioned (SFOX) and sham-lesioned rats were measured during 90-min tests following various lengths of food deprivation. During the tests, all rats began eating before they began drinking. After 20–24 h of food deprivation, latency to begin drinking after eating had started was longer for SFOX than for sham-lesioned rats. Plasma osmolality was elevated by 2–3% in both lesion groups at 12 min, the latency for sham-lesioned rats to drink, but SFOX rats nevertheless continued eating and delayed drinking. Eating after shorter 4-h food deprivations and ad libitum feeding produced more variable drinking latencies and less consistent effects of SFO lesion. During 24 h of water deprivation, SFO lesion had no effect on the suppression of food intake and did not affect food or water intakes during the first 2 h of subsequent rehydration. These findings indicate that the SFO is involved in initiating water intake during eating and in determining drinking patterns and the amount of water ingested during a meal.

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