This document discusses the safety assessment of functional foods. It defines functional foods as foods that provide additional health benefits beyond basic nutrition. Safety assessment of functional foods involves establishing proof of concept, conducting preclinical testing of efficacy and safety, determining pharmacokinetics, establishing acceptable daily intakes or safe upper limits, identifying biomarkers, and performing randomized clinical trials. Key aspects of safety assessment include identifying hazards, characterizing dose-response relationships, assessing exposure, and evaluating risk. Establishing safe upper limits for nutrients involves extrapolating from animal data and considering inter-individual variability. Risk assessments also consider factors like source, composition, production methods, and intended use and consumption.
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Credit: www.foodinsight.org
Functional food Energy Diet (http://www.beautysane.com/UK/products.html) meet high standard ISO 9001.
* Meal substitutes for you to cook
* Around 20 flavors for varied gourmet meals
* Enriched with 23 vitamins and minerals
* Haute Digestibilité (HD), an exclusive and patented system of highly digestible products
* Each meal costs less than £3
* Made in France
* Guaranteed: no preservatives, artificial colouring, aspartame or glutamate
To order, Whatsapp +971-55-9483654
Development of Nutraceuticals & functional foodsEkta Belwal
“Nutraceuticals” & “Health food” shops has grown enormously, fostered by wide media coverage of their benefits. There has been a boom in their sales as patients rush to self-medicate, either in the hope that these products will be effective in treating diseases unsatisfactorily treated with pharmaceuticals, or that the adverse effects of some pharmaceuticals may be avoided.
Diet is not all about loosing or gaining weight, its therapeutic benefits are often taken lightly by most of us. Planning of a therapeutic diet implies the ability to adopt the principal of normal nutrition to the various regimens for adequacy, correctness, economy and palatability. It requires recognition of the need for dietary supplements such as vitamin and mineral concentrates when the nature of the diet itself imposes severe restrictions, the patient's appetite is poor or absorption and utilization are impaired so that the diet cannot meet the needs of optimum nutrition.
There are several therapeutic benefits of a well balanced diet such as:
•Fuel to perform daily activities
•Nutrients for the body's cells
•Growth and repair of tissue
•Reinforcing the immune system
•Preventing chronic diseases of lifestyle
•Maintaining good mental health
•Ensuring healthy teeth and bones
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Expert Consultation on Nutrient Risk Assessment for Determination of Safe Upper Levels for Nutrients held on 4th December, 2015 by International Life Sciences Institute, India
Development of Nutraceuticals & functional foodsEkta Belwal
“Nutraceuticals” & “Health food” shops has grown enormously, fostered by wide media coverage of their benefits. There has been a boom in their sales as patients rush to self-medicate, either in the hope that these products will be effective in treating diseases unsatisfactorily treated with pharmaceuticals, or that the adverse effects of some pharmaceuticals may be avoided.
Diet is not all about loosing or gaining weight, its therapeutic benefits are often taken lightly by most of us. Planning of a therapeutic diet implies the ability to adopt the principal of normal nutrition to the various regimens for adequacy, correctness, economy and palatability. It requires recognition of the need for dietary supplements such as vitamin and mineral concentrates when the nature of the diet itself imposes severe restrictions, the patient's appetite is poor or absorption and utilization are impaired so that the diet cannot meet the needs of optimum nutrition.
There are several therapeutic benefits of a well balanced diet such as:
•Fuel to perform daily activities
•Nutrients for the body's cells
•Growth and repair of tissue
•Reinforcing the immune system
•Preventing chronic diseases of lifestyle
•Maintaining good mental health
•Ensuring healthy teeth and bones
Anti nutritional factors and toxins in food- krishnegowdakrishnegowda
food containing various toxins & anti-nutritional factor it causes various health damage & unavailbality of essential nutrients so thats way it have been removed from food by various methods & treatments
Dietitians provide food and nutrition information, and support people to improve their health. They provide advice on nutrition-related matters. Dietitians can also change diets to help manage conditions such as: diabetes
food related misinformation in media and food controversy and mythsFatima Rahat
what is food misinformation
types of food misinformation
food misinformation harmful impact on consumer economic status
protocols
food and drug administration
federal trade Commission
types of FDA and FTC
sources of food misinformation
controversy related to food misinformation
Food myths
strategies in food related misinformation
Punjab food authority
Effect of processing and storage on nutrientsPoojaParab12
This presentation describes the effect of processing and storage conditions on nutrients in food namely carbohydrates, proteins, lipids, vitamins and minerals.
Why does your doctor recommend you to have more fruits, vegetables and cereals when you're having constipation? Why is it good to have fiber? Why are Cardio Vascular Diseases on a rise? This presentation tells it all and highlights how it is related to Dietary Fiber...
Expert Consultation on Nutrient Risk Assessment for Determination of Safe Upper Levels for Nutrients held on 4th December, 2015 by International Life Sciences Institute, India
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Safety of Functional Foods
1. 1
SAFETY OF FUNCTIONAL FOODS
Dr Kalpagam Polasa, Scientist – ‘F’
Head of FDTRC
AND
Dr. B. SESIKERAN, MD, FAMS
Director
National Institute of Nutrition (NIN)
(Indian Council of Medical Research)
Hyderabad – 500 007
2. 2
Example of Functional ingredients
In Indian Diet
Grains - Source of fibre (minor millets)
Legumes (soya) – Isoflavones (Genistein,
Diadezin)
Probiotics - curds, butter milk, Fermented
foods
Fruits and vegetables- phytochemicals
3. 3
Foods that provide additional physiological
or health-promoting benefits beyond the
well-established functions of nutrients
contained in foods.
Japan is the only country that has
formulated a specific regulatory approval
process for functional foods known as
Foods for Specified Health Use (FOSHU).
Definition of Functional Foods
4. 4
FUNCTIONAL FOODS
Natural food- Fiber in millets
Food to which a component has been added-
probiotic icecream
Food from which a component has been
removed- Processed Soya
Food where the nature of one or more
components has been modified- High Oleic
sunflower oil
Food in which the bioavailability of one or more
components has been modified
or any combination of these possibilities.
5. 5
Strategy for functional food discovery
and development
Scientific
knowledge
Markers
Experimental evidences
Mechanisms
Intervention studies in humans
6. 6
SAFETY OF FUNCTIONAL FOODS
Needs to be assessed according to
established regulations
Proof of Concept
Preclinical test – Efficacy and safety
Pharmacokinetics
ADI / Safe upper limits
Biomarkers
Clinical – Randomised Clinical Trials
7. 7
Identification of Biomarkers
Identified and validated for their predictive
value.
Markers correlated to events are indicator
markers directly involved in the process of
assessment are effect biomarkers.
If the markers are related to risk of disease they
are known as susceptibility markers. These are
based on genetic polymorphism controlling the
metabolism and / or the effect of a particular
food component.
8. 8
Identification of Biomarkers (Contd.)
Intake biomarkers identified and
validated to assess exposure to food
component
Biomarkers may be used to measure
biological responses by measuring a
specific protein, enzyme or hormone in
response to consumption of a food.
9. 9
Safe Limits for Nutrients
There is no evidence that essential
micronutrients should be regarded as
inherently safe at high doses and much
evidence, that excessive intakes can
cause harm
13. 13
Dietary Reference Intakes
Estimated Average Requirement (EAR): the average daily nutrient intake
level estimated to meet the requirement of half the healthy individuals in a
particular life stage and gender group.
Recommended Dietary Allowance (RDA): The average daily dietary
nutrient intake level sufficient to meet the nutrient requirement of nearly
all (97 to 98 percent) healthy individuals in a particular life stage and
gender group.
Adequate Intake (AI): The recommended average daily intake level based
on observed or experimentally determined approximations or estimates of
nutrient intake by a group (or groups) of apparently healthy people that
are assumed to be adequate. Used when an RDA cannot be determined.
Tolerable Upper Intake Level (UL): The highest average daily intake level
that is likely to pose no risk of adverse health effects to almost all
individuals in the general population. As intake increases above the UL,
the potential risk of adverse effects may increase.
Source: Institute of Medicine, National Academy of Sciences, Dietary Reference Intakes
for Vitamin C, Vitamin E, Selenium, and Carotenoids, p. 3. Washington, DC: National
Academy Press, 2000.
14. 14
Safe Upper Levels
an intake that can be consumed daily over a lifetime
without significant risk to health on the basis of
available evidence
Guidance Levels
an approximate indication of levels that would not be
expected to cause adverse effects, but have been
derived from limited data and are less secure than SULs.
SULs or Guidance Levels are the doses of vitamins and
minerals that susceptible individuals could take daily on
a life-long basis, without medical supervision
17. 17
Extrapolating LOAEL to derive NOAEL
( based on human data)
If adverse effect is a biochemical change with
no clinical or organ correlation – factor is 3
Eg Serum transaminase levels were elevated at
30mg dose i.e LOAEL
Then NOAEL will be 30/3 = 10 mg
If adverse effect was a serious toxic change
then NOAEL will be 30/10= 3 mg
evm-uk
18. 18
Extrapolating NOAEL to derive SUL
( based on ANIMAL data)
If NOAEL is 10 mg
SUL = 10 / 10 x 10 = 0.1 mg
Factor of 10 for inter species variation
Factor of 10 for inter individual variation
19. 19
Risk Assessment for Folic Acid
Folic acid is generally considered as safe in
therapeutic use.
Few data from toxicological studies of folates in
animals.
ESTABLISHMENT OF GUIDANCE LEVEL
Insufficient data to establish a Safe Upper Level for
folic acid.
Increased folate intake may increase the incidence
of multiple births.
Currently no substantive evidence for such an
effect.
EVM-UK
20. 20
Folic Acid (contd…)
Main concern of excess folic acid is the masking of
vitamin B12 deficiency.
Data indicates supplementation with 1 mg/day folic
acid does not mask vitamin B12-associated anaemia in
the majority of subjects
Supplementation with 5 mg/day folic acid masks B12
deficiency
What happens between 1 and 5 mg/day - not known.
For guidance purposes only, in the general population
a supplemental dose of 1 mg/day would not be
expected to cause adverse effects.
EVM-UK
21. 21
Folic Acid (contd…)
Assuming a maximum intake from
food of approximately 0.49 mg/day, a
total dose of 1.5 mg/day (equivalent to
0.025 mg/kg bw/day in a 60 kg adult)
would not be expected to have any
adverse effects.
22. 22
Risk assesment for Pyridoxine
Adverse effect, for vitamin B6 is neuropathy in humans and
laboratory animals.
Occurs after consumption of high doses and/or long duration.
Mostly reversible but in some cases with high doses, the
effects are irreversible.
Progressive sensory ataxia , unstable gait and numb feet and
hands, followed by profound impairment of position sense
and vibration sense in the distal limbs.
Animal studies also demonstrate neurotoxicity
Doses as low as 50 mg/kg bw/day have been associated with
demyelination
23. 23
SUL for B6
LOAEL: 50 mg/kg bw/day, based on the study by
Phillips et al. (1978) in dogs
Uncertainty factors: 3 for LOAEL to NOAEL
extrapolation
10 for inter-species variation
10 for inter-individual variation
Safe Upper Level 50/3 x 10x 10 = 50 / 300 =0.17
mg/kg bw/day supplemental pyridoxine- equivalent
to 10 mg/day for a 60 kg adult over a lifetime
24. 24
B6 Dose Range
In humans, 10 mg/day represents a clear
SUL, with no adverse effects
Doses of 200 mg/day vitamin B6 or more
taken for long periods are associated with
neuropathy.
The effect of taking vitamin B6 at doses
between 10 and 200 mg is unclear.
25. 25
Niacing (nicot
inic acid and
nicotinamide)
35 mg The UL for
nicotinic acid is
based on
vasodilation
(flushing).
Nicotinamide
appears not to be
associated with
the flushing
effects.
LOAEL =
50 mg
16/14 mg-
RDA
Indian : 16 –
21 mg/d
20 mg
DNI
Vitamin B6 100 mg The critical
adverse effect
from high intake is
neuropathy.
NOAEL =
200 mg
1.3, 1.5, or
1.7 mgk
Indian : 2 –
2.5 mg/d
2.0 mg
Folateg 1,000 mcg Excess folate may
precipitate or
exacerbate
neuropathy in
vitamin B12-
deficient
individuals.
LOAEL =
5 mg
400/400 mcgl
Indian : 200 –
500 µg/d
400 mcg
26. 26
STEPS IN RISK ASSESSMENT
Hazard Identification- scientific review.
Specify Dose response- establish upper level.
Intake /Exposure assessment.
Risk characterization- public health impact.
Too little nutrients and too much nutrients –
both are safety issues.
Nutrient risk assessments have to be life stage
specific eg. adolescents, lactating. Aging
populations etc.,
27. 27
FACTORS FOR SUBSTANTIATION OF
NUTRITIONAL SAFETY
Source and origin of food
Nutrient composition
Presence of anti-nutritional factors
Methods of production and / or preparation
Technical specification including preparation
Purpose to indicate rationale behind the
development of functional food
Instruction for storage and use including frequency,
dose and duration in relation to dietary
recommendations
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