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PubMed2002

Current status of nutrition labelling and claims in the South-East Asian region: are we in harmony?

This review includes the situation of nutrition labelling and claims in six countries in South-East Asia: Brunei, Indonesia, Malaysia, Philippines, Singapore and Thailand. With the exception of Malaysia, there is no mandatory nutrition labelling requirements for foods in these countries except for special categories of foods and when nutritional claims are made for fortified or enriched foods. Nevertheless, several food manufacturers, especially multinationals, do voluntarily label the nutritional content of a number of food products. There is, therefore, increasing interest among authorities in countries in the region to start formulating regulations for nutrition labelling for a wider variety of foods. Malaysia has proposed new regulations to make it mandatory to label a number of foodstuffs with the four core nutrients, protein, carbohydrate, fat and energy. Other countries have preferred to start with voluntary labelling by the manufacturers, but have spelt out the requirements for this voluntary labelling. The format and requirements for nutrition labelling differ widely for countries in the region. Some countries, such as Malaysia, closely follow the Codex guidelines on nutrition labelling in terms of format, components to be included and mode of expression. Other countries, such as the Philippines and Thailand, have drafted nutrition labelling regulations very similar to those of the Nutrition Labeling and Education Act (NLEA) of the United States. Nutrition and health claims are also not specifically permitted under food regulations that were enacted before 1998. However, various food products on the market have been carrying a variety of nutrition and health claims. There is concern that without proper regulations, the food industry may not be certain as to what claims can be made. Excessive and misleading claims made by irresponsible manufacturers would only serve to confuse and mislead the consumer. In recent years, there has been efforts in countries in the region to enact regulations on nutrition claims. Recently enacted regulations or amendments to existing regulations of almost all the countries reviewed have included provisions for nutrition claims. Malaysia is in the process of gazetting regulations to clearly stipulate the permitted nutrition claims and the conditions required to make these claims along the guidelines of Codex Alimentarius Commission. Only two countries in the region permit health claims to be made - Indonesia and Philippines. Other countries in the region are following developments in Codex and examining the need for allowing these claims. There are more differences than similarities in the regulations on nutrition labelling and claims among countries in the South-East Asian region as no previous efforts have been made to address these. Hopefully, through this first regional meeting, countries can initiate closer interaction, with a view to working towards greater harmonization of nutrition labelling and health claims in the region.

Asia, Southeastern↗

PubMed2002

International guidelines and experiences on health claims in Europe.

The relationship between nutrition and health is gaining public acceptance and consumers are increasingly health-conscious and want to obtain more information about the food they buy. There is a legal void with regard to health claims in the European Union. The framework labelling legislation prohibits 'attributing to any foodstuff the property of preventing, treating or curing a human disease or referring to such properties'. In the absence of a specific Directive on claims for foodstuffs, EU member states apply different interpretations of the existing labelling legislation. Therefore, it may occur that a claim which is permitted in one country may be prohibited in another one, and vice versa. Because of this, manufacturers have to deal with a variety of regulations, guidelines and codes of conduct. As regards national self-regulation systems (guidelines, consensus documents, voluntary codes of practice, joint interpretation of law), increasingly their development in EU countries (UK, France, Belgium, Netherlands, Spain, Sweden, Finland), is an attempt to remedy the situation of legal uncertainty. In most countries, a coalition of industry experts, enforcement authorities, consumer representatives, and scientists was involved in the elaboration of rules for the scientific justification and formulation, communication and presentation of health claims. At the international level, Codex Alimentarius is currently debating a draft on Enhanced Function Claims and Reduction of Disease Risk Claims. The draft recommendation is currently at step 3 of the Codex procedure. A lot of work has been undertaken internationally (Codex), in the EU (FUFOSE) and beyond (Council of Europe) in order to demonstrate that scientific substantiation of claims is possible and to establish valid criteria for this process.

Europe↗

PubMed2002

The precautionary principle and other non-tariff barriers to free and fair international food trade.

International food trade and world population are growing rapidly. National legislation has been enacted and implemented in many countries to assure good quality and safe foods to meet increased demand. No country is fully self-sufficient in domestic food production to meet population demands, and all require some food imports. Current international food trade agreements call for free and fair food trade between all countries, developed and developing. National food legislation and food production, processing and marketing systems have evolved in most countries to ensure better quality and safer foods. At the international level the work of the FAO/ WHO Codex Alimentarius Commission (Codex) and the World Trade Organization Agreements on Sanitary and Phytosanitary Measures (SPS) and on Technical Barriers to Trade (TBT) and related Uruguay Round agreements have been agreed to by over 140 countries with the aim to promoting the free and fair trade of good quality and safe foods between all countries. The SPS and TBT agreements rely on science-based Codex standards, guidelines, and recommendations as benchmarks for judging international food trade disputes. A number of non-tariff barriers to trade, often related to agricultural subsidies and other food trade payments in developed countries, continue to give rise to complaints to WTO. They also continue to prevent free and fair trade, particularly for developing countries in international food trade. A number of these non-tariff barriers to trade are briefly examined, along with other domestic and international food trade problems, and recommendations for improvements are made.

Commerce↗

PubMed2001

Analysis and clinical effects of gluten in coeliac disease.

The prolamin working group coordinates research on laboratory gluten analysis in food and on clinical evaluation of patient sensitivity to prolamins. As an observer organization to the Codex Alimentarius Commission, the group summarizes current data on analysis and effects of gluten in coeliac disease. All types of gliadin, the ethanol-soluble fraction of gluten, contain the coeliac-active factor. However, coeliac toxicity and immunogenicity (humoral and cellular) of various prolamins are not identical in coeliac patients. There are no conclusive data on the threshold of gluten sensitivity of coeliac patients. Information as to the long-term risk to coeliac patients exposed to small doses of gliadin is lacking. Therefore, every effort should be made to keep the diet of coeliac patients as gluten-free as possible. The prolamin group is currently evaluating a new enzyme-linked immunosorbent assay (ELISA) protocol for gluten analysis that could serve as a basis for further Codex regulations. The group recommends adherence to a single Codex limit for gluten-free foods. The current limit of 200 ppm gluten is questionable and requires reconsideration based on new information that will be available soon.

Celiac Disease↗

PubMed1993

Aztec homosexuality: the textual evidence.

Male and female homosexuality among the Aztecs during the period immediately prior to the Spanish Conquest has been studied infrequently, even though a Nahuatl document, the Florentine Codex, written shortly after the Spanish Conquest, contains a number of texts on the subject. The Florentine Codex has been translated into English; however, the translators use biased and erroneous translations in the sections of the manuscript which mention homosexuality, and the actual meaning is unavailable to anyone who does not know Nahuatl. This paper is a new translation and an introductory study of the available texts on homosexuality in the Florentine Codex. The attitudes of the Aztecs toward homosexual men and women can be inferred from these texts, and there are tantalizing fragments which given an indication of how homosexuality fit into Aztec society.

Female↗

PubMedDate not supplied

Pediatric endocrine diseases in pre-Hispanic Aztecs.

Aztec medical and religious knowledge derived from Olmecs (800 BC), Teotihuacans (100 BC) and Toltecs (1100-1521 AC); however, there is no unique source that accurately presents Aztec medicine. Sahagfin combines naturalism and religion but not magic ("First Memorials", "Matritense Codex", "Florentine Codex" and "General History of New Spain"); Hernández gives a naturalistic image but is full of mistakes ("Natural History of the New Spain"); Badiano tries to match Aztecs with contemporary Europeans and with the first century medicine of the Romans ("Badiano Codex"), and Ruiz de Alarcón contains plenty of magical concepts ("Book of Superstition"). For the Aztecs, surveillance of growth was very important and represented a balance between body and soul. They described the different steps of pubertal development. They had specific treatments for thyroid disease in children, mainly hypothyroidism and goiter. There are no references to rickets, nor to type 1 or 2 diabetes mellitus.

Child↗

PubMed2005

[Fungal spoilage of foods and its risk assessment].

From the second half of the 1990s, an increased regard has been given to the fungal spoilage of foods as follows: 1) post-harvest diseases and losses of fruits and vegetables, 2) deterioration of low water activity foods by xerophilic fungi, 3) contamination of psychrotolerant or psychrophilic fungi on foodstuffs and processed foods during storage and distribution at low temperature, and 4) spoilage of heat processed foods and soft drinks by heat-resistant fungi. In accordance with an international concern about food safety, mycotoxin contamination of foods has gained much global attention in recent times owing to its potential health hazards. The evaluation of mycotoxin hazards is principally based on the determination of a no-observed effect level (NOEL) in long-term toxicological studies, and the application of a safety factor (usually 100). In addition to hazard assessment, data on the natural occurrence of mycotoxins in various commodities and food intake data are needed to enable exposure assessment. Thus risk assessment of mycotoxins is, in fact, the product of hazard assessment and exposure assessment. In 1997, the FAO/WHO Joint Expert Committee on Food Additives (JECFA) considered estimates of the carcinogenic potency of aflatoxins and the potential risks associated with their intake. Recently the Codex Alimentarius Commission (Codex) has established standards for aflatoxin M1 in milk and for patulin in apple juice. The Codex is an international organization, supported by FAO/WHO, aiming at facilitating world trade and protecting the health of the consumer by developing international standards for food and feeds. Apart from aflatoxins, the JECFA has measured a provisional tolerable daily intake (TDI) for ochratoxin A, patulin, deoxynivalenol, T-2/HT-2 toxins, zearalenone and fumonisins. In 2001, the mycotoxins evaluated or re-evaluated at the JECFA meeting included ochratoxin A, deoxynivalenol, T-2/HT-2 toxins, fumonisins, and aflatoxin M1. In Japan, specific regulations now exist for deoxynivalenol (1.1 ppm) in wheat grains and for patulin (50 ppb) in apple juice and its products.

Aflatoxin B1↗

PubMed2005

Quantification of gliadin levels to the picogram level by flow cytometry.

BACKGROUND: Celiac disease is a widely prevalent enteropathy caused by intolerance to gliadin, one of the gluten proteins. We developed two methods for the analysis of gliadin levels. Both methods use flow cytometry and rat antibodies against a 16-residue peptide of gliadin. The peptide is common to the alpha-, beta-, gamma-, and omega-gliadins. METHODS: In the one-site assay, the antigen (gliadin standard or food extract) was adsorbed on 3-mum latex particles. Sensitized particles were then incubated, in this order, with rat anti-gliadin peptide antibodies and anti-rat immunoglobulin G antibodies labeled with fluorescein isothiocyanate. In the two-site assay, the antigen was trapped on the latex particles by rat anti-gliadin antibodies and then measured by the same antibodies labeled with fluorescein. RESULTS: Detection limits were 1 ng/ml for the one-site assay and 10 pg/ml for the two-site assay. The two-site assay displayed gliadin at concentrations above the limit proposed by the Codex Alimentarius in 2 of 40 gluten-free products. CONCLUSION: There is a growing concern that gliadin, even when present in gluten-free foods within the limit fixed by the Codex Alimentarius, over the long term may become toxic to patients with celiac disease. The techniques described in this study provide an opportunity to further decrease the acceptable limit of gliadin in gluten-free foods.

Animals↗

PubMed2004

Challenges to developing countries after joining WTO: risk assessment of chemicals in food.

FAO/WHO encourages member countries to develop national food control measures based on risk assessment in order to assure proper protection level to consumers and facilitate fair trade. This is particularly important for developing countries as WTO members because it is clearly stated in the Sanitary and Phytosanitary Measures (SPS) Agreement that: (a) SPS measures should be based on risk assessment techniques developed by relevant international organizations; and (b) Codex standards which is based on risk assessment are regarded as the international norm in trade dispute settlement. When conducting risk assessment on food chemicals (including additives and contaminants) in developing countries, in most cases it is not necessary to conduct their own hazard characterization because the ADIs or PTWIs of food chemicals developed by international expert groups (e.g. JECFA) are universally applicable and also developing countries do not have the resources to repeat those expensive toxicological studies. On the other hand, it is necessary to conduct exposure assessment in developing countries because exposure to food chemicals varies from country to country. This is not only crucial in setting national standards, but also very important for developing countries to participate in the process of developing Codex standards. In addition to food standard development, risk assessment is also useful in setting up priorities in imported food inspection and evaluating the success of various food safety control measures.

Animals↗

PubMed2004

Cadmium in oysters and scallops: the BC experience.

Health effects of non-occupational lifetime exposure to cadmium (Cd) are of growing concern worldwide. This overview provides some context for the current situation in coastal British Columbia, Canada, which arose in 1999 from the discovery of problematic residues of Cd in farmed Pacific oysters (Crassostrea gigas). Efforts are underway to define Cd sources and the geographical and seasonal variation of these Cd residues. The recent application by the European Community of a 1 microg Cd/g (wet weight) import limit to bivalve molluscs and the current deliberation by CODEX to adopt the same value, pose significant threats to the shellfish export trade in the Pacific Northwest (British Columbia, Washington and Alaska), where natural oceanographic conditions and coastal geology contribute to levels of Cd that usually exceed the 1 ppm limit. Human health aspects of chronic Cd exposure comprise an active field of study (this Symposium) and the validity of existing Provisional Tolerable Weekly Intake is being questioned. Bioavailability of Cd from the oyster and scallop matrix is unknown and requires study. Ramifications of this uncertainty may include damage to public perception of the safety of the cultured shellfish product, loss of export market and general undermining of an industry being encouraged by both the Province of British Columbia and Federal aquaculture initiatives. There is therefore a pressing need to redefine what the "safe" limit of lifetime Cd intake is from all sources, and determine bioavailability, specifically from bivalve molluscs. Such information would facilitate the definition of scientifically defensible Cd limits by CODEX.

Animals↗

PubMed2003

Harmonization of exposure assessment for food chemicals: the international perspective.

The assessment of human exposure to chemicals present in the diet is a rapidly developing discipline. The formulation of the "risk analysis paradigm" by the Codex Alimentarius Commission in 1994 defined the exposure assessment as an essential step of the risk assessment process. This has re-enforced demands to those joint FAO/WHO scientific bodies who evaluate the safety of chemicals in foods to estimate routinely intakes for food additives, flavors, contaminants, and residues of pesticides and veterinary drugs as part of their safety assessments. The approaches chosen by the Joint FAO/WHO Expert Committee for Food Additives (JECFA) and the Joint FAO/WHO Expert Meeting on Pesticide Residues (JMPR) for these compounds are considerably different. These differences can only be understood when considering the different risk policies of the Codex Alimentarius Committees involved. Specific problems emerge if global intake assessments are requested; lack of representative regional data for consumption patterns and insufficient knowledge about levels of chemicals occurring in foods in many countries bear the risk that exposure assessments do not provide risk managers with a true global picture. There is a need to improve the collection and dissemination of such data.

Drug Contamination↗

PubMed1998

Determination of Organophosphorus Pesticide Residues in Greek Virgin Olive Oil by Capillary Gas Chromatography.

In this study, the occurrence of 15 organophosphorus pesticide residues in Greek virgin olive oil was investigated. Analysis was carried out using capillary gas chromatography with specific detectors (FPD and NPD), after sample extraction with n-hexane and cleanup by partitioning between n-hexane and acetonitrile. Sixty-two samples of virgin olive oil were taken from the major production areas and packing companies of Greece during 1992-1994. In 46 samples, 9 organophosphorus pesticides, namely dimethoate, fenthion, omethoate, chlorpyrifos, methamidophos, parathion-methyl, parathion, methidathion, and malathion, were found, in concentrations ranging from 0.0005 to 0.1800 mg/kg. Diazinon, pirimiphos-methyl, paraoxon-methyl, malaoxon, carbophenothion, and azinphos-ethyl were not detected in any sample. In most samples pesticide residues were below the detection limits (0.0001 and 0.001 mg/kg), and most of the positive findings were a fraction (i.e., <0.09-18%) of the FAO/WHO Codex Alimentarius maximum residue limits (MRLs) except for dimethoate, which was ranged between 1 and 45%. Only one sample contained dimethoate residue that exceeded the Codex MRL for refined olive oil.

Journal Article↗

PubMed2000

Nutritional composition and micronutrient status of home made and commercial weaning foods consumed in Tanzania.

About 50% of young children in Tanzania suffer from protein-energy undernutrition (PEU) while more than 45% of children under the age of five suffer from various micronutrient deficiency disorders. The immediate cause of these conditions is inadequate intake and poor utilization of nutrients, which begins in the weaning period and amplifies in the subsequent years. This study was conducted to assess the potential of some home made and commercial weaning foods commonly consumed in Tanzania to supply adequate amounts of both macro- and micronutrients as recommended in the Tanzania and FAO/WHO Codex Alimentarius Standards for cereal/milk-based weaning foods. Six types of home made weaning foods, maize, cassava, millet, sorghum and millet-sardine-peanut composite gruels and plantain pap, and four types of commercial weaning foods, Cerelac- 1, Cerelac-2, Lactogen-1 and Lactogen-2, popularly consumed in Tanzania, were chemically assayed for proximate composition, energy and mineral density. Results of the study indicated that, both the home made and commercial weaning foods were good sources of macro- and micronutrients. When compared with the Codex Alimentarius and Tanzania Bureau of Standards specifications for weaning foods, both home made and commercial weaning foods had some shortcomings in terms of nutrient composition and energy balance. Many of the foods were low in fat. Fe, Ca, Zn and P but high in crude fiber, carbohydrate and magnesium. Ca, Fe and Zn were the most common deficient macro/micronutrients in the home made weaning foods. In spite of these shortcomings, most of the home made and commercial weaning foods were nutritionally sound since they could provide reasonable percentages of the recommended daily allowances for macro/micronutrients and energy. It is suggested that, more efforts must be directed towards increasing the concentration of Ca, Fe and Zn in the home made weaning foods through supplementation of the starchy staples with mineral rich foods. Meanwhile, the parents, caretakers and health workers should be educated on the selection and preparation of nutritious, balanced weaning foods and good weaning practices.

Animals↗

PubMed2002

Newly established regulation in Japan: foods with health claims.

The Japanese government enacted a new regulatory system called 'Foods with health claims' in April 2001, which consists of 'Foods for Specified Health Use' (FOSHU) and 'Foods with Nutrient Function Claims' (FNFC). The FOSHU was set up by the Ministry of Health and Welfare in 1991 to approve descriptions on a label regarding an effect of food on the human body. It was enacted as a part of 'food for specified dietary use' under the Nutrition Improvement Law. There are three important requirements for FOSHU approval. The first is scientific evidence of the efficacy, including clinical testing. The second is safety for consumption. The third is analytical determination of the effective component. At present there are 293 items approved as FOSHU. Most of the descriptions of foods under the FOSHU system are similar to the category of enhanced function claims of Codex. Under FNFC, 12 vitamins (vitamin A, B1, B2, B6, B12, C, E, D, biotin, pantothenic acid, folic acid, and niacin) and two minerals (calcium and iron) are standardized. These claims are similar to the nutrient function claims approved by Codex in 1997. It is desirable that the Japanese administration and the food industry cooperate with ASEAN countries to work together in the development and promotion of nutrition and health claims on foods.

Food↗

PubMed2003

Initial interlaboratory validation of an analytical method for the determination of lead in canned tuna to be used for monitoring and regulatory purposes.

The Association of Official Analytical Chemists (AOAC) Standard Method 972.23 (dry ashing and flame atomic absorption spectrophotometry (FAAS)), applied to the analysis of lead in tuna, was validated in three selected local laboratories to determine the acceptability of the method to both the Codex Alimentarius Commission (Codex) and the European Union (EU) Commission for monitoring lead in canned tuna. Initial validation showed that the standard AOAC method as performed in the three participating laboratories cannot satisfy the Codex/EU proposed criteria for the method detection limit for monitoring lead in fish at the present regulation level of 0.5 mg x kg(-1). Modification of the standard method by chelation/concentration of the digest solution before FAAS analysis showed that the modified method has the potential to meet Codex/EU criteria on sensitivity, accuracy and precision at the specified regulation level.

Animals↗

PubMedDate not supplied

Food packaging, international standards related to food safety and quality, and trade.

International trade is subject to the Final Act of the Uruguay Round Multilateral Trade Negotiations' Agreement on the Application of Sanitary and Phytosanitary Measures (the SPS Agreement) and Agreement on Technical Barriers to Trade (the TBT Agreement). These Agreements, the purpose of which is the freeing up of trade and the removal of restraints to the greatest extent possible, affect all countries that are members of the World Trade Organization, and have an impact upon all countries that are exporters. Trade in food is subject to these rules, which include provision for countries to apply safety and quality measures to protect the consumer. Such consumer protection measures extend to all aspects of food, including its packaging. The SPS and TBT Agreements press for 'harmonization' based upon the adoption of standards developed by international standards setting bodies and require countries to participate in their work. The relevant body with respect to food safety and quality measures is the Codex Alimentarius Commission, which is implemented by the Joint FAO/WHO Food Standards Programme. The work of the Codex Alimentarius Commission in harmonization within the context of food packaging and the rules applying to world trade is discussed.

Food Contamination↗

PubMed1999

Consumption pattern of dietary fats in Chile: n-6 and n-3 fatty acids.

Chile consumes both vegetable and animal fats. Vegetable oils are almost totally imported but animal fats, mainly from marine origin, are locally produced. The country is the second world producer of fish meal and fish oil, and fish oil has been incorporated into the human nutrition through the manufacture of blends of vegetable oil with fractions of deodorized fish oil. Consumption of such oils contributes as a significant source of n-6 and n-3 fatty acids, mainly for the low-income consumers. The use of fish meal and fish oil for animal nutrition is also an additional source of n-3 fatty acids for the Chilean population. Pork, poultry and eggs are important sources of essential fatty acids, especially long-chain n-3 fatty acids. As result of the consumption of these products, milk from low-income Chilean mothers shows significantly higher total n-3 fatty acids relative to mothers from the USA and Germany. Safety concerns about fats consumption in Chile are regulated by a Food Safety Codex recently promulgated which follows FAO/WHO Codex Alimentarius directives.

Animals↗

PubMed2006

The da Vinci robot.

BACKGROUND: One might assume from the title of this paper that the nuances of a complex mechanical robot will be discussed, and this would be correct. On the other hand, the date of the design and possible construction of this robot was 1495, a little more than five centuries ago. The key point in the title is the lack of a trademarked name, as Leonardo was the designer of this sophisticated system. His notes from the Codex Altanticus represent the foundation of this report. METHODS: English translations of da Vinci's notebooks are currently available. Beginning in the 1950s, investigators at the University of California began to ponder the significance of some of da Vinci's markings on what appeared to be technical drawings. Such markings also occur in his Codex Atlanticus (the largest single collection of da Vinci's sheets, consisting of 1119 separate pages and 481 folios) along with a large number of other mechanical devices. Continuing research at the Instituto e Museo di Storia della Scienza in Florence has yielded a great deal of information about Leonardo's intentions with regard to his mechanical knight. RESULTS: It is now known that da Vinci's robot would have had the outer appearance of a Germanic knight. It had a complex core of mechanical devices that probably was human powered. The robot had two independent operating systems. The first had three degree-of-freedom legs, ankles, knees, and hips. The second had four degrees of freedom in the arms with articulated shoulders, elbows, wrists, and hands. A mechanical analog-programmable controller within the chest provided the power and control for the arms. The legs were powered by an external crank arrangement driving the cable, which connected to key locations near each lower extremity's joints. Da Vinci also is known to have devised a programmable front-wheel-drive automobile with rack-and-pinion suspension mechanisms at age 26. He would recall this device again, when, at age 40, he is thought to have built a programmable automated lion, but by then, he had produced his own metal springs as well as drum-containing springs called tambours. He positioned his fusee to a stationary rotating power output shaft that would be used to power his programmable automaton. CONCLUSIONS: Part of the obscurity of da Vinci's robot comes from the difficulties interpreting Leonardo's markings. His designs precede any formal method of blueprint designing. The technical aspects had to be deciphered before anyone could even attempt to reproduce his intended device. This robotic device fits together with other pieces of evidence that link 15(th) Century automatons to da Vinci's design, namely the automated Tea Servers from Spain. As with many things from da Vinci, looking backward at this master leaves one with a pronounced sense of awe at his prescient view of the world.

Animals↗