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Comparison of the intakes of sugars by young children with and without dental caries experience.

BACKGROUND: Relationships among sugars and dental caries in contemporary societies are unclear. The authors describe young children's intakes of nonmilk extrinsic (NME) and intrinsic/milk sugars and relate those intakes to dental caries. METHODS: The authors conducted cross-sectional analyses of dietary data collected from the Iowa Fluoride Study using three-day diaries for subjects at ages 1, 2, 3, 4 and 5 years and for subjects aged 1 through 5 years according to dental caries experience at 4.5 to 6.9 years of age. They categorized foods and beverages as containing NME or intrinsic/milk sugars. RESULTS: Subjects' total, NME, food NME and intrinsic/milk sugars intakes at ages studied did not differ between subjects with and without caries experience. Beverage NME sugars intakes at age 3 years predicted caries (P < .05) in logistic regression models adjusted for age at dental examination and for fluoride intake. CONCLUSIONS: Dental caries is a complex, multifactorial disease process dependent on the presence of oral bacteria, a fermentable carbohydrate substrate and host enamel. A simple NME-intrinsic/milk sugars categorization appears insufficient to capture the complex dietary component of the caries process. CLINICAL IMPLICATIONS: Cariogenicity is more likely a function of the food and/or beverage vehicle delivering the sugar and the nature of exposure-that is, frequency and length of eating events-than of the sugar's categorization.

Adolescent↗

Gsalpha is involved in sugar perception in Drosophila melanogaster.

In Drosophila melanogaster, gustatory receptor genes (Grs) encode G-protein-coupled receptors (GPCRs) in gustatory receptor neurons (GRNs) and some olfactory receptor neurons. One of the Gr genes, Gr5a, encodes a sugar receptor that is expressed in a subset of GRNs and has been most extensively studied both molecularly and physiologically, but the G-protein alpha subunit (Galpha) that is coupled to this sugar receptor remains unknown. Here, we propose that Gs is the Galpha that is responsible for Gr5a-mediated sugar-taste transduction, based on the following findings: First, immunoreactivities against Gs were detected in a subset of GRNs including all Gr5a-expressing neurons. Second, trehalose-intake is reduced in flies heterozygous for null mutations in DGsalpha, a homolog of mammalian Gs, and trehalose-induced electrical activities in sugar-sensitive GRNs were depressed in those flies. Furthermore, expression of wild-type DGsalpha in sugar-sensitive GRNs in heterozygotic DGsalpha mutant flies rescued those impairments. Third, expression of double-stranded RNA for DGsalpha in sugar-sensitive GRNs depressed both behavioral and electrophysiological responses to trehalose. Together, these findings indicate that DGsalpha is involved in trehalose perception. We suggest that sugar-taste signals are processed through the Gsalpha-mediating signal transduction pathway in sugar-sensitive GRNs in Drosophila.

Animals↗

Effects of available sugar on the reproductive fitness and vectorial capacity of the malaria vector Anopheles gambiae (Diptera: Culicidae).

Although females of most mosquito species are known to use sugar as a necessary source of energy, female Anopheles gambiae Giles sensu stricto are thought to use it facultatively or not at all. However, field evidence of sugar-free living is inconclusive, and the implications for reproductive fitness and vectorial capacity are unknown. To evaluate the role that sugar may play in the ecology of these mosquitoes, mated female An. gambiae in the laboratory were given access to either no food (water only), 10% sucrose, human blood, or human blood + 10% sucrose, and comparisons of daily mortality, fecundity, and biting frequency were made. The effect of sugar availability on vectorial capacity and the intrinsic rate of increase, a measure of fitness, then were determined. Females (pooled and individual) given blood + sugar lived significantly longer than did those on the other diets. Daily fecundity was higher for females given blood alone than for those fed blood + sugar (13 versus 9 eggs per female daily). However, total fecundity and intrinsic rate of increase were not affected by sugar availability. Biting frequency was significantly higher (0.41 versus 0.26 bites per female per day) for females given blood alone. Despite the reduced survivorship, exclusive blood-feeding led to a theoretically higher vectorial capacity for Plasmodium falciparum at 27 degrees C. These data indicate that female An. gambiae could replace sugar with increased blood feeding without suppressing reproductive fitness. Increased blood feeding could, in turn, increase the rate of malaria transmission and may explain the unusual efficiency of this vector.

Animals↗

Photo-induced hole transfer from base to sugar in DNA: relationship to primary radiation damage.

This work presents the hypothesis that photo-excitation of G.+ in DNA and model systems results in the same electronic states expected from direct ionization of the sugar phosphate backbone and that these states lead to specific sugar radicals on the DNA sugar phosphate backbone. As evidence we show that visible photo-excitation of guanine cation radicals (G.+) in the dinucleoside phosphate TpdG results in high yields (about 85%) of deoxyribose sugar radicals at the C1' and C3' sites. Further, we have calculated transition energies of hole transfer from G.+ in TpdG using time-dependent density functional theory (TD-DFT) at the B3LYP/6-31G(d) level in gas phase as well as in a solvated environment. These calculations clearly predict that visible excitation of G.+ in TpdG causes transitions from only inner-shell filled molecular orbitals (MOs) to the singly occupied molecular orbital (SOMO) that effectively result in hole transfer from guanine either to the sugar phosphate backbone or to the adjacent base, thymine. The hole transfer is followed by rapid deprotonation from the sugar to form C1' and C3' radicals. These experimental and theoretical results are in agreement with our previously published experimental and theoretical results that photo-excitation of G.+ results in high yields of deoxyribose sugar radicals in DNA, guanine deoxyribonucleosides and deoxyribonucleotides. Photo-excitation of G.+ therefore provides a convenient method to produce and study sugar radicals that are expected to be formed in gamma-irradiated DNA systems unencumbered by the many other pathways involved in direct ionization.

Carbohydrates↗

pH changes in dental plaque after using sugar-free pediatric medicine.

The aim of this study was to compare the pH changes in the dental plaque after rinsing with sugared- (sucrose) or sugar-free (saccharine, cyclamate and sorbitol) versions of the same pediatric acetaminophen solution (ekosetol) up to one hour. Twenty-nine undergraduate dental students (17 girls and 12 boys) collected plaque for 48 hours by abstaining from oral hygiene, during which period they maintained normal dietary habits. Plaque sampling was done in two subsequent days before and 2, 5, 10, 15, 20, 25, 30, 40, 50 and 60 minutes after rinsing with both solutions. Measurements of pH were done within one hour using a micro pH electrode and a pH meter. All experiments were finished in 6 days by dividing the group to three. Results showed a significant difference between groups in respect to pH values and pH drops after rinsing. Mean pH values were below 5.70 for one hour in sugared solution, whereas no mean pH value was detected below 5.80 for one hour with the sugar-free solution. Minimum pH values (sugar-free: 5.62+/-0.36; sugared: 5.00+/-0.33, p<0.001) and maximum pH drops (sugar-free: -0.57+/-0.26; sugared: -1.16+/-0.44, p<0.001) were also significantly different. No difference was found between genders. We concluded that changing of sucrose to non-acidogenic sweeteners was essential to prevent the cariogenic potential of the pediatric medicines.

Acetaminophen↗

Response of sugar maple to calcium addition to northern hardwood forest.

Watershed budget studies at the Hubbard Brook Experimental Forest (HBEF), New Hampshire, USA, have demonstrated high calcium depletion of soil during the 20th century due, in part, to acid deposition. Over the past 25 years, tree growth (especially for sugar maple) has declined on the experimental watersheds at the HBEF. In October 1999, 0.85 Mg Ca/ha was added to Watershed 1 (W1) at the HBEF in the form of wollastonite (CaSiO3), a treatment that, by summer 2002, had raised the pH in the Oie horizon from 3.8 to 5.0 and, in the Oa horizon, from 3.9 to 4.2. We measured the response of sugar maple to the calcium fertilization treatment on W1. Foliar calcium concentration of canopy sugar maples in W1 increased markedly beginning the second year after treatment, and foliar manganese declined in years four and five. By 2005, the crown condition of sugar maple was much healthier in the treated watershed as compared with the untreated reference watershed (W6). Following high seed production in 2000 and 2002, the density of sugar maple seedlings increased significantly on W1 in comparison with W6 in 2001 and 2003. Survivorship of the 2003 cohort through July 2005 was much higher on W1 (36.6%) than W6 (10.2%). In 2003, sugar maple germinants on W1 were approximately 50% larger than those in reference plots, and foliar chlorophyll concentrations were significantly greater (0.27 g/m2 vs. 0.23 g/m2 leaf area). Foliage and fine-root calcium concentrations were roughly twice as high, and manganese concentrations twice as low in the treated than the reference seedlings in 2003 and 2004. Mycorrhizal colonization of seedlings was also much greater in the treated (22.4% of root length) than the reference sites (4.4%). A similar, though less dramatic, difference was observed for mycorrhizal colonization of mature sugar maples (56% vs. 35%). These results reinforce and extend other regional observations that sugar maple decline in the northeastern United States and southern Canada is caused in part by anthropogenic effects on soil calcium status, but the causal interactions among inorganic nutrition, physiological stress, mycorrhizal colonization, and seedling growth and health remain to be established.

Acer↗

Intestinal sugar transport in experimental diabetes.

The increased sugar transport was examined in the isolated small intestine of streptozotocin-diabetic rats. In the small intestine of these animals, the rate of glucose absorption in vivo is slightly increased, but not that of galactose of 3-O-MG (3-O-Methylglucose); however, in the isolated small intestine, the mucosal-to-serosal but not the serosal-to-mucosal flux of glucose, galactose, and 3-O-MG is increased. The enhanced sugar transport is due neither to the direct toxic effect of streptozotocin nor to a lack of circulating insulin. It is not the result of an increased intraepithelial sugar metabolism. Hyperglycemia, produced gy i.v. glucose infusion, generates the same increase of the intestinal sugar transport as experimental diabetes but the high blood sugar has to be maintained for 4 h before the intestinal effect appears. Hyperglycemia and hypergalactosemia enhance the intestinal transport of glucose, galactose, and 3-O-MG, but not that of fructose; the transport of the latter is increased by hyperfructosemia. The enhanced intestinal sugar transport produced by high blood sugar inhibited by phloretin but not by phlorizin and is completely estimated in cycloheximide-treated animals. It is proposed that sustained high blood sugar induces the synthesis of new carrier sites which are most likely located in the basolateral membrane.

3-O-Methylglucose↗

Kinetics of urinary recovery of five sugars after orogastric administration in healthy dogs.

OBJECTIVE: To describe the kinetics of urinary recovery (UR) of 5 sugars used for gastrointestinal permeability and mucosal function testing following orogastric administration of lactose, rhamnose, xylose, methylglucose, and sucrose. ANIMALS: 7 healthy male Beagles. PROCEDURES: A sugar solution containing lactulose, rhamnose, xylose, methylglucose, and sucrose was administered by orogastric intubation to healthy dogs. Urine samples were collected immediately before sugar solution administration (baseline) and at 2-hour intervals thereafter. The UR of the 5 sugars was determined from urine concentrations measured by high pressure liquid chromatography and pulsed amperometric detection. Percent urinary recovery (%UR) of the total UR up to 12 hours after sugar solution administration was calculated for each sugar at 2-hour intervals. RESULTS: Mean %UR exceeded 85% for all 5 sugars at 6 hours after orogastric administration of the sugar solution and exceeded 90% after 8 hours. CONCLUSIONS AND CLINICAL RELEVANCE: In healthy dogs, a urine collection period of 6 hours is sufficient for gastrointestinal permeability and mucosal function testing following orogastric administration of lactulose, rhamnose, xylose, methylglucose, and sucrose.

Administration, Oral↗

Nutritional and dental implications of high and low intakes of sugar.

Currently, in nutrition there are major anxieties over the bearing of high intakes of energy and certain nutrients (e.g. fat, sugar) on health/ill-health. Two questions concern sugar: does a high intake (1) cause a deleterious imbalance or dilution of macro- and micro-nutrients? and (2) does it promote degenerative diseases, in particular dental caries? As to the first question, evidence from a variety of contexts indicates that nutrient intakes are not reduced; rather they are increased. Additionally, one accompaniment of a high sugar intake is a reduced intake of fat, one of the primary aims of nutritional guidelines. However, these do not license excessive sugar consumption. As to sugar and degenerative diseases, evidence is lacking that sugar intake is significantly influential other than for dental caries. An examination of evidence indicates sugar consumption to be a weak factor in caries development; its intake explains little of the variance in caries occurrence. Clearly, additional factors are influential-genetic, exposure to fluoride, and dietary components other than sugar. Early detection of the relatively small proportion of caries-prone individuals by appropriate markers, must be sought.

Adolescent↗

The use of sugar as a vehicle for iodine fortification in endemic iodine deficiency.

The use of sugar as a vehicle for iodine supplementation was explored in a study of iodine deficiency in the Sudan. A survey of sugar consumption was conducted and established a widespread and uniform intake of sugar in all ages with no differences among socio-economic groups. The daily intake among adults varied from 48 g to 78 g as examined in five different geographical areas in the country. Iodinated sugar was produced by addition to sugar solution prior to crystallisation in an evapocrystallizer or sprayed on the conveyor of cured sugar before it entered the dryers. Subsequently, the iodinated sugar was given to members of 18 and 60 families in a mildly (urinary iodine < 5.1 micrograms/dl) and moderately (urinary iodine < 3 micrograms/dl) iodine deficient areas, respectively, over a 1-month and a 6-month period, respectively. In both tests, improvements were recorded, i.e. the rates of goitre decreased, urinary iodine levels increased significantly (from 5.1 to 14.4 micrograms/dl and from 3 to 9.8 micrograms/dl, respectively) and thyroid hormones values rose. No side effects were noted. The results indicate that fortification of sugar with iodine may serve as a new alternative approach in attempts to eradicate iodine deficiency related disorders in endemic areas.

Adolescent↗

Sugar as a potential vehicle for vitamin A fortification: experience from Kamuli district in Uganda.

BACKGROUND: Despite measures put in place by the Uganda Government ten years ago to combat Vitamin A deficiency, the number of children suffering from this deficiency remains high. OBJECTIVE: To determine whether sugar may be used as a vehicle for vitamin A fortification. DESIGN: Cross-sectional descriptive study. SETTING: Kamuli district in Uganda. PATIENTS: One thousand one hundred and four children, and one thousand one hundred and two mothers or care-takers participated in the study. Sugar consumption patterns for the two age groups were determined. The methods of sugar storage in households were also determined. The children were aged 12 to 36 months, and mothers/caretakers 16 to 45 years. RESULTS: The overall proportion of households where sugar was consumed in the last seven days was 89.2% for children, and 88.3% for mothers/caretakers. Sugar was stored in covered tins in 67% of the households, and in covered baskets in 28% of households. CONCLUSION: Sugar is a potential vehicle for fortification with vitamin A for Kamuli district. Storage of sugar in covered tins and baskets means that the stability of the vitamin A in the fortified sugar might not be affected by exposure to light.

Adolescent↗

Prevention of hypoglycemia: a controlled evaluation of sugar fortified milk feeding in small-for-gestational age infants.

The study population included 110 term healthy small-for-gestational age (SGA) infants having a blood sugar of > 30 mg/dl at the age of < 30 minutes. They were randomized into two groups; (a) Group I (study group) received sugar-fortified milk formula and (b) Group II (control group) received standard milk formula. A minimum of 80 ml/kg/24 hour of milk was given. The first feeding was given within 45 minutes of birth and subsequently at 2 hours of age and then every 2 hourly till the age of 24 hours. The blood sugar (initial within 30 minutes of birth) was monitored at the age of 2, 4, 12 and 24 hours by dextrostix. The babies on fortified feeds received significantly (p < 0.001) higher amount of carbohydrate (8.1 mg/kg/min) as compared to those on standard milk (5.1 mg/kg/min). The incidence of hypoglycemia was reduced significantly (p < 0.01) by the sugar-fortified feeds. The mean blood sugar level in babies receiving fortified feeds was significantly higher at all the ages as compared to those receiving standard feeds. Nearly all the babies who subsequently developed hypoglycemia had a preceding blood sugar value of less than 60 mg/dl. The study highlights that sugar-fortified milk feeds are useful in preventing hypoglycemia in SGA infants and should be routinely recommended along with breast feeding in developing countries especially when facilities for monitoring of blood sugar are unsatisfactory or not available.

Blood Glucose↗

Arginine 197 of lac repressor contributes significant energy to inducer binding. Confirmation of homology to periplasmic sugar binding proteins.

Based on primary sequence homology between the lactose repressor protein and periplasmic sugar-binding proteins (Müller-Hill, B. (1983) Nature 302, 163-164), a hypothetical sugar-binding site for the lac repressor was proposed using the solved x-ray crystallographic structure of the arabinose-binding protein (ABP) (Sams, C. F., Vyas, N. K., Quiocho, F. A., and Matthews, K. S. (1984) Nature 310, 429-430). By analogy to Arg151 in the ABP sugar site, Arg197 is predicted to play an important role in lac repressor binding to inducer sugars. Hydrogen bonding occurs between Arg151 and the ring oxygen and 4-hydroxyl of the sugar ligand, two backbone carbonyls, and a side chain in ABP, and similar interactions in the lac repressor would be anticipated. To test this hypothesis, Arg197 in the lac repressor protein was altered by oligonucleotide-directed site-specific mutagenesis to substitute Gly, Leu, or Lys. Introduction of these substitutions at position 197 had no effect on operator binding parameters of the isolated mutant proteins, whereas the affinity for inducer was dramatically decreased, consistent with in vivo phenotypic behavior obtained by suppression of nonsense mutations at this site (Kleina, L. G., and Miller, J. H. (1990) J. Mol. Biol. 212, 295-318). Inducer binding affinity was reduced approximately 3 orders of magnitude for Leu, Gly, or Lys substitutions, corresponding to a loss of 50% of the free energy of binding. The pH shift characteristic of wild-type repressor is conserved in these mutants. Circular dichroic spectra demonstrated no significant alterations in secondary structure for these mutants. Thus, the primary effect of substitution for Arg197 is a very significant decrease in the affinity for inducer sugars. Arginine is uniquely able to make the multiple contacts found in the ABP sugar site, and we conclude that this residue plays a similar role in sugar binding for lactose repressor protein. These results provide experimental validation for the proposed homology between ABP and the lac repressor and suggest that homology with ABP may be employed to generate additional insight into the structure and function of this regulatory protein.

Arginine↗

A controlled study of sugar-fortified milk feeding for prevention of neonatal hypoglycaemia.

Healthy term, large for gestational age (LGA) infants (130) with blood sugar greater than 30 mg/dl at the age of less than 30 min were randomized into two groups. Group I (study group) babies received sugar-fortified milk formula while group II (control group) received standard milk formula. Milk was fed at a minimum of 80 ml/kg/24 h. The first feed was given within 45 min of birth and subsequently at 2 h of age and then 2 hourly till the age of 24 h. The blood sugar (initial within 30 min of birth) was monitored by dextrostix at the age of 2, 4, 12 and 24 h. The babies on fortified feeds received significantly (P less than 0.001) higher amount of carbohydrate (8.2 mg/kg/min) as compared to those on standard milk (5.2 mg/kg/min). The incidence of hypoglycaemia was reduced significantly (P less than 0.05) by the sugar fortified feeds. The mean blood sugar level in babies receiving fortified feeds was significantly (P less than 0.001) higher at all ages as compared to those receiving standard feeds. Nearly all the babies who subsequently developed hypoglycaemia had an earlier blood sugar level of less than 60 mg/dl. The study shows that sugar-fortified milk feeds are useful in preventing hypoglycaemia in LGA infants and should be routinely recommended in the special care neonatal units of developing countries especially when facilities for monitoring blood sugar are unsatisfactory or unavailable.

Animals↗

Comparative study of the asparagine-linked sugar chains of natural human interferon-beta 1 and recombinant human interferon-beta 1 produced by three different mammalian cells.

The asparagine-linked sugar chains of natural interferon-beta 1 secreted from human foreskin fibroblasts by poly I:poly C induction and of three recombinant human interferon-beta 1 produced by Chinese hamster ovary cells, mouse epithelial cells (C127), and human lung adenocarcinoma cells (PC8) were released quantitatively as oligosaccharides by hydrazinolysis followed by N-acetylation. After being reduced with either NaB3H4 or NaB2H4, their structures were comparatively analyzed. More than 80% of the sugar chains of natural interferon-beta 1 occur as biantennary complex-type sugar chains, approximately 10% of which contain N-acetyllactosamine repeating structure in their outer chain moieties. The remainders are 2,4- and 2,6-branched triantennary complex-type sugar chains. The sugar chains of the recombinant interferon-beta 1 derived from Chinese hamster ovary cells were very similar to those of its natural counterpart. In contrast, two other recombinant proteins contain quite different sugar chains. The protein derived from C127 cells contains complex-type sugar chains with the Gal alpha 1----3Gal beta 1----4GlcNAc group in their outer chain moieties. Their sialic acid residues occur solely as the Sia alpha 2----6Gal group, where Sia is sialic acid. In contrast, the sialic acid residues of other interferon-beta 1 occur as the Sia alpha 2----3Gal group only. A part of the sugar chains of the protein derived from PC8 cells contains bisecting N-acetylglucosamine residue in addition to the Gal alpha 1----3Gal beta 1----4GlcNAc group.

Asparagine↗

Cell surface asparagine-linked sugar chains of human early myeloblastic leukemic cells (KG-1a).

The asparagine-linked sugar chains obtained from total cell surface membrane glycoproteins of human early myeloblastic leukemic cells (KG-1a cells) were studied. The sugar chains liberated by hydrazinolysis were purified by paper electrophoresis, paper chromatography, and Bio-Gel P-4 chromatography followed by analysis of exoglycosidase digestion and methylation study. Neutral oligosaccharides were all composed of high mannose type sugar chains. Acidic oligosaccharides were chiefly composed of typical bi-, tri-, and tetraantennary complex type sugar chains with Gal beta 1----4GlcNAc beta 1----groups and Neu-Ac alpha 2----3 or 6Gal beta 1----4GlcNAc beta 1----groups (in which Gal is galactosyl, GlcNac is N-acetylglucosamine, and NeuAc is N-acetylneuraminic acid) as side chains. Moreover the following two structures were identified in (in which Fuc is fucosyl): monosialyl bi- and triantennary sugar chains with a Gal beta 1----4(Fuc alpha 1----3)GlcNAc beta 1----group (X determinant) as one of the side chains; and monosialyl tetraantennary sugar chains with a Gal beta 1----4GlcNAc beta 1----3Gal beta 1----4GlcNAc group (repeating N-acetyllactosamine unit) as one of the side chains. These data together with our previous studies on sugar chains of K562 cells [early erythroblast], adult erythrocytes [H. Yoshima, N. Shiraishi, A. Matsumoto, S. Maeda, T. Sugiyama, and A. Kobata, J. Biochem. (Tokyo), 91: 233-246, 1982], and HL-60 cells [promyelocyte] [A. Mizoguchi, S. Takasaki, S. Maeda, and A. Kobata, J. Biol. Chem., 259: 11943-11957, 1984] strongly suggest that the cell surface asparagine-linked sugar chains alter in an orderly fashion, systematically in association with lineage and maturation stages during hematopoietic cell differentiation.

Asparagine↗

Comparative study of the sugar chains of gamma-glutamyltranspeptidases purified from rat liver and rat AH-66 hepatoma cells.

A comparative study using hydrazinolysis has revealed that the oligosaccharide pattern of gamma-glutamyltranspeptidase purified from rat AH-66 hepatoma cells is very different from that of the enzyme from rat liver. Studies of oligosaccharides in each fraction have clarified the structural basis of the difference found in the sugar chains of the two enzymes. The sugar chains of the liver enzyme were all acidic, while 28% of those of the hepatoma enzyme were neutral, the latter being composed of high-man-nose-type and complex-type sugar chains. Three prominent structural differences were found in the acidic sugar chains of the two enzymes: (a) the sugar chains of the liver enzyme have complete outer chains, Gal beta 1 leads to 4GlcNAc beta 1 leads to, while many of those of the hepatoma enzyme have incomplete outer chains without galactose (Gal); (b) the Gal beta 1 leads to 4GlcNAc beta 1 leads to Gal beta 1 leads to 4GlcNAc beta 1 leads to group is found in the sugar chains of the liver enzyme but not in those of the hepatoma enzyme; (c) more than 40% of the sugar chains of the hepatoma enzyme contain bisect N-acetylglucosamine (GlcNAc) residue which is not found in those of the liver enzyme. Furthermore, the total number of asparagine-linked sugar chains in one molecule of hepatoma enzyme was about 4 times that found in one molecule of liver enzyme.

Acyltransferases↗

Changes in the pattern of sugar (sucrose) consumption in Australia 1958-1988.

The study reports on data relating to the apparent consumption, food content, and contribution of different food groups to the sugar (sucrose) intake in Australia. The trends and patterns of sugar (sucrose) usage have been summarised. The apparent annual sugar consumption has remained very high (up to 50 kg per person) for the last three decades with an increase in sugar consumed in manufactured foods. There has been some decrease in sugar consumed in confectionery, bakeries and vegetable products and as refined sugar. The greatest increase in sugar intake has been through non-alcoholic beverages, ice-cream and frozen confectionery, and cereals. The prevalence of dental caries in Australia has dropped dramatically over the past three decades while the consumption of sugar remains very high.

Australia↗