• Journal of Food Hygiene and Safety
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• v.16 no.3
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• pp.178-187
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• 2001

A study has been performed to estimate the average and high (90th percentile of consumers-only) daily intakes of sorbates by age-sex groups (> 3 years old) in Korea. The estimation of daily intakes was based on individual-based dietary intake data in ‘National Health and Nutrition Survey in 1998’and the contents of sorbates from samples. The estimated daily intakes (EDI) of sorbates for average consumers ranged from 0.09 mg/kg/bw/day to 0.51 mg/kg bw/day corresponding to 0.4-2.1% of acceptable daily intake (ADI). For high consumers, the range of EDI of sorbates was 3.42-14.65 mg/kg bw/day corresponding to 13.7-58.6% of ADI. Foods that contributed most to the daily intakes of sorbates for all age-sex groups were processed fish products, processed meat products, and salted floods. There was an inverse relationship between age and the consumption of sorbates for average and high consumers, whereas no marked pattern was emerged by sex categories. The intake levels of sorbates even among high consumers were below the ADI in Korea.

• Korean Journal of Food Science and Technology
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• v.42 no.6
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• pp.762-767
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• 2010

This study evaluated daily intakes of BHT, BHA, and TBHQ in Korean. The daily intakes were estimated using both a dietary survey approach and food supply survey approach. In the dietary survey approach, individual dietary intake data from the Korea National Health and Nutrition Survey in 2005, as well as analytical results of BHT in 131 samples, BHA in 134 samples, and TBHQ in 104 samples, were used to assess daily intakes of the antioxidants. In the food supply survey approach, both total production amounts of BHT, BHA and TBHQ and maximum permitted levels of the antioxidants were used to calculate daily intakes. In the dietary survey results, the average daily intakes of BHT, BHA and TBHQ were 0.8, 0.5, and 0.3 ${\mu}g$/kg body weight/day, respectively, and below 0.2% of the ADI (acceptable daily intake) set by JECFA (Joint FAO/WHO Expert committee on Food Additives). In the food supply survey approach, the average daily intakes of BHT, BHA,and TBHQ were all 0.3 mg/kg body weight/day. The ratios of ADI were 97, 60, and 40%, respectively. According to these results, daily intakes of BHT, BHA, and TBHQ in Korean are lower than the ADI.

• Journal of Food Hygiene and Safety
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• v.16 no.1
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• pp.53-60
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• 2001

A study has been carried out to estimate the average daily intakes of sorbates, benzoates, and and esters of $\rho$-hydroxybenzoic acid commonly used in Korea. The estimation of daily intakes was based on individual dietary intakes in “National Health and Nutrition Survey in 1998”and the the contents of preservatives from 264 samples. Estimated daily intakes(EDI) of sorbates, benzoates, esters of $\rho$-hydroxybenzoic acid were 0.22, 0.015, and 0.004 mg/kg bw/day, respectively. When assuming the standard body weight of 55 kg for Korean, ratios to acceptable daily intake (ADI) of sorbates, benzoates, and esters of $\rho$-hydroxybenzoic acid were 0.88, 0.30, and 0.04%, respectively.

• Korean Journal of Food Science and Technology
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• v.34 no.6
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• pp.1103-1109
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• 2002

Mean concentration and daily intake of sorbic acid were estimated through the analysis of food samples obtained from Korea FDA and food sanitation inspection agency during $1999{\sim}2000$. Total number of samples were 14,129, among which the number of detected samples were 2,561 (detection rate was 18.13%). Contribution rate to total estimated daily intake (%) of sorbic acid in the categorized food were the highest in processed fish product. Total estimated daily intake $({\Sigma}EDI)$ for age groups were the highest in $30{\sim}49$ years old and ranged from 3.42 to 9.25 mg/person/day. Estimation of average food intake for each food item per person per day was based on data in national nutrition survey and national food disapperance data in 1998. Total estimated daily intake of sorbic acid was 20.40 mg per body weight of 55 kg. This value was 1.48% of acceptable daily intake evaluated by FAO/WHO and 33.03% of theoretical maximum daily intake.

• Journal of the Korean Society of Food Science and Nutrition
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• v.34 no.1
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• pp.75-80
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• 2005

This study was carried out to measure the amount of daily intake on three synthetic food red colors (Amaranth: R2, Erythrosine: R3, Allura Red: R40) in foods by Korean. Analysis of three synthetic food red colors was conducted by HPLC with the foods including bread, confection, candy, alcoholic beverage, soft drink, ice cream, chocolate, and chewing gum. Recovery rates from the known concentrations of three standard food red colors which were spiked into foods were ranged from 85.1 to 100.4 (%) for each foods. Total Estimated Daily Intake (∑EDI) was from 0 to 1.632 mg/kg bw/day for each food item and from 0.512 to 7.281 mg/person/day for ages (1∼over 65 years old). The data of average food intake for each food item per person per day were obtained from the report of Korean National Nutrition Survey conducted by the Korea Ministry of Health and Welfare in 2001. Total EDI of each red colors per person per day were showed as follows; 0.742 mg/kg bw/day for R2, 0.391 mg/kg bw/day for R3 and 2.018 mg/kg bw/day for R40 as total amount respectively, and the ranges of these values were 0.5∼7.1% of FAO/WHO's Acceptable Daily Intake (ADI) values. Therefore, the amount of daily intake of three synthetic food red colors in Korea was regarded as safe.

• Journal of Food Hygiene and Safety
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• v.4 no.1
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• pp.1-20
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• 1989

A survey for BHA (butyl hydroxy anisol), BHT(dibutyl hydroxy toluene), DHA (dehydroxy acetic acid), BA (benzoic acid), Sor. A. (Sorbic acid), POBA-Esters (P-hydroxy benzoic acid esters of ethyl, propyl, isopropyl, butyl and isobutyl), propionic acid, nitrite (as $N0_2$) and sulfites (as $S0_2$) of food additives which have much interesting to food consumers was carried out to assess the intake amount by Korean through the years of 1985-1987. Additive intakes were estimated by applying the determined a.dditive contents in the specific food to the specific daily food-intake amount obtained from the report of Korean national nutrition survey, and the level in cities were compared higher in general to that in rural communities, and the average level of the nation showed as follows; the estimated value of butyl hydroxy anisol and dibutyl hydroxy toluene in total was 0.017 mg, and 0.030 mg for dehydroxy acetic acid 0.064 mg for benzoic acid, 6.011 mg for sorbic acid, 0.247 mg for p-hydroxy benzoic acid eaters in total, 0.1438 mg for propionic acid 0.016 mg for nitrite ($N0_2$) and 0.022 mg for sulfite ($S0_2$) respectively, and those values were far below to that of FAO/WHO's ADls.

• Journal of the Korean Society of Food Science and Nutrition
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• v.35 no.6
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• pp.690-697
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• 2006

This study has been carried out to estimate mean concentration and the daily intake of 2 artificial sweeteners (aspartame and sucralose) by analyzing food samples. Total number of samples was 755 and the number of samples detected for sweeteners was 33 (detection rate was 4.4%). Contribution rate to total estimated daily intake (%) of artificial sweeteners in food categories was high in candy for aspartame and sucralose. Total Estimated Daily Intakes $({\Sigma}EDI)$ for different age groups were high in $13{\sim}19$ years old for aspartame and $7{\sim}12$ years old for sucralose. Total estimated daily intakes $({\Sigma}EDI)$ of men and women were 5.10 mg/person/day and 4.88 mg/person/day, respectively. Total estimated daily intakes $({\Sigma}EDI)$ of artificial sweeteners were shown as follows; 3.75 mg/person/day for aspartame and 1.27 mg/person/day for sucralose, respectively and assuming a body weight of 55 kg. These values were ranged from $0.15{\sim}0.17%$ of acceptable daily intake (ADI) evaluated by FAO/WHO and $1.0{\sim}21.4%$ of theoretical maximum daily intake (TMDI), and therefore, judged to be safe.

• Journal of Aquaculture
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• v.15 no.1
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• pp.15-21
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• 2002

Two groups of juvenile flounders (90 g/each) were fed on moist pellet feed thrice a day for a period of 8 weeks; the first group, reared in 4 circular (6m $\times$ 0.8 m) tanks (1200 flounders/tank), was fed daily (ED) and the second one on alternate days (EO). There was no significant difference in growth and feed conversion ratio (FCR) between these groups. There was also no difference in chemical composition, except in lipid, which was significantly higher (4.1%) in the ED group than the EO group (3.4%). Food intake and gain in the whole body nitrogen (N) were higher in the ED group but there was no significant difference between these groups in N retention; they excreted almost equal amount (114 vs 112 g) of N. Although phosphorus intake was significantly different between these groups, the flounders retained equal amount (0.5 g) of P in their body and excreted also equal amount (27.6 vs 26.0 g/kg weight gain) of p. Energy intake (2528 kJ) of the ED group was higher than that (2116 kJ) of the EO group. However, there was no significant difference in their energy retention efficiency. Clearly, alternate day feeding regimen led to more efficient utilization of food by the juvenile flounder.

• Food Engineering Progress
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• v.14 no.4
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• pp.307-315
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• 2010

The safety and security of food supply should be one of the primary responsibilities of any government. Estimation of nation's food commodity intakes is important to control the potential risks in food systems since food hazards are often associated with quality and safety of food commodities. The food intake databases provided by Korea National Health and Nutrition Examination Survey (KNHANES) are good resources to estimate the demographic data of intakes of various food commodities. A limitation of the KNHANES databases, however, is that the food intakes surveyed are not based on commodities but ingredients and their mixtures. In this study, reasonable calculation strategies were applied to convert the food intakes of the ingredients mixtures from the KNHANES into food commodity intakes. For example, Perilla leaf consumed with meat, raw fish, and etc. in Korean diets was used to estimate its Korean intakes and develop algorithms for demographic analysis. Koreans have consumed raw, blanched, steamed, and canned perilla leaf products. The average daily intakes of the perilla leaf were analyzed demographically, for examples, the intakes by gender, age, and etc. The average daily intakes of total perilla leaf were 2.03${\pm}$0.27 g in 1998, 2.11${\pm}$0.26 g in 2001, 2.29${\pm}$0.27 g in 2005, 2.75${\pm}$0.35 g in 2007, and 2.27${\pm}$0.20 g in 2008. Generally, people equal to or over 20 years of age have shown higher perilla leaf intakes than people below 20. This study would be contributed to the estimation of intakes of possible chemical contaminants such as residual pesticides and subsequent analysis for their potential risk.

• Journal of Nutrition and Health
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• v.35 no.1
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• pp.37-44
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• 2002

The purpose of this study was to provide a reference range for plasma homocysteine and to explore the relation between plasma homocysteine and nutritional indexes in a Korean college women. Thirty women were selected from college students in Seoul area With mean age of 22.4y. Dietary intakes of Vitamins B$_{6}$, B$_{12}$, folate were estimated from a 3 day food diary method and plasma homocysteine concentration was mearsured as well as the levels of blood vitamins. The results obtained are as follows. Mean daily intake of energy, vitamin B$_{6}$, B$_{12}$, and folate were 1731.9kcal, 0.9mg, 2.2mg and 139.8$\mu\textrm{g}$ respectively. Mean plasma homocysteine concentration was 12.4$\mu$mol/l with a range between 6.7 and 17.8$\mu$mol/l and the mean concentrations of plasma vitamin B$_{6}$(PLP), serum vitamin $_{12}$, Serum folate and RBC folate were 77.5nmol/l, 267.4pmol/l, 17.1 nmol/l and 736.5nmol/l arid 736.5nmol/l respectively. we found a negative correlation between plasma homocysteine concentration and dietary vitamins, and blood levels of vitamin although it was not significant.