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Transcript of By Mochamad Nurcholis. content Food Coloring 1 Food Flavoring 2 Food Emulsifier 4 3 Food Acidulant 5...
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ByBy
Mochamad Mochamad NurcholisNurcholis
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content
Food Coloring1
Food Flavoring2
Food Emulsifier4
3 Food Acidulant
5 Food Antioxidant
Gelatinizing Agent6
7 Surface Active Agent
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1. Food coloring
Origin and Suitability of Colors :
Serious poisoning occurred from the use of such dangerous inorganic pigmentsExample : copper sulfate, copper arsenite, red lead, cinnabar
Similar colors such as : red oxide of iron, ultramarine, thitanium dioxide (which are still used occasionally) were harmless ???
Organic dyes were synthesized and can be applied in food manufacture, as well as to textiles, plastics, ink and non edible comodities.
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1. Food coloring
Definition :Any substance that is added to food or drink to
improve or change its color.Function :• Offsetting color loss due to light, air, extremes of
temperature, moisture, and storage conditions.• Masking natural variations in color.• Enhancing naturally occurring colors.• Providing identity to foods.• Protecting flavors and vitamins from damage by
light.• Decorative or artistic purposes such as cake icing.
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Color Categories
• Synthetic no similar natural color
• Synthetic identical to a natural color (ex : riboflavin, Carmine, Carotenoid)
• Natural obtained from plants or animals
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Natural DyeType Color Source Used in
Caramel coloring (E150)
Caramel Caramelized sugar
Cola products, cosmetics.
Annatto (E160b) Red-Yellow Seed of the Achiote
Butter, cheese
Chlorophyll, E140 Green Chlorella algae
Cochineal (E120) Red Insect (Dactylopius coccus)
Betanin Red-puple Beets
Curcuminoids, E100
Yellow-orange
Turmeric
Carotenoids, E160a
Yellow-purplish red
Saffron
E160c Purplish red Paprika
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Natural Colors ClassificationClass Coloring Extract Pigmenting Substance Properties & Dose
Carotenoids AnnatoCarrot oilVegetable juicePaprikaSaffron
BixinBeta caroteneB-carotene, lycopeneCapsanthine, capsorubineCrocetine
Fat soluble, yellow to purplish red, max. dose 100 mg/Kg
Quininoids Cochineal Carminic acid Sol water,100 mg/kg
Porphyrins Vegetable juice Chlorophylls Slighty sol. in water, 500 mg/kg
Betalaines Vegetable juiceBeet powder
Betanines (beet) Water soluble, red-purple, 500mg/kg
Flavonoids Fruit juiceGrape skin extract
Anthocyanins Water soluble, red (acid), bluish (alkaline) max dose 500 mg/kg
Others RiboflavinTumeric
RiboflavinCurcumin (slighty sol. in water)
Water sol, 50 mg/kgAlcohol & fats soluble, 50 mg/kg
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• Water soluble (Dye) or Lipid soluble (Lakes) ???
• Natural or synthetic color ???
• Ex. FD &C red no 3 & 40, FD &C blue no 1, FD&C Yellow no 5&6
• Future Alternative Color ???
• FD & C ???
Blended to created desired shade of color
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Artificial DyeType Color FD&C
Brilliant Blue FCF, E133
Blue shade FD&C Blue No. 1
Indigotine, E132 Dark Blue shade FD&C Blue No. 2
Fast Green FCF, E143
Turquoise shade FD&C Green No. 3
Allura Red AC, E129
Red Shade FD&C Red No. 40
Erythrosine, E127 Pink Shade FD&C Red No. 3
Tartrazine, E102 Yellow FD&C Yellow No. 5
Sunset Yellow FCF, E110
Orange shade FD&C Yellow No. 6
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JECFA List Colors
Class Colors Class Colors
Quinoline Yellow Tartrazine Yellow
Erythrosine Red Sunset Yellow FCF Orange
Indigotine Red/blue Ponceau 4 R Red
Brilliant blue FCF Blue Red 2 G Red
Patent blue V Blue Azorubine Red
Green S Green/blue Amaranth * Red/blue
Brilliant black BN Purple/black
Brown FK Yellow/brown
Brown HT Brown
Those colors were approved by U.KAmaranth delisted from U.S lists
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US Certified Colors
Colors Status
FD & C Red no 3 Permanent
FD & C Red no 40 Permanent
FD & C blue no 1 Permanent
FD & C blue no 2 Permanent
FD & C Green no 3 Permanent
FD & C Yellow no 5 Permanent
FD & C Yellow no 6 Permanent
European
Colors Dose (mg/kg)
Carmoisine E122 Max 20
Ponceau 4 R E124 Max 50
Erythrosine E 127 Max 50
Riboflavine E101 Max 50
Brilliant green E142
Max 100
Patent blue V E131
Max 50
Indigo carmine E132
Max 100
Black PN E151 Max 50
Carotenoids E160 Max 100
Canthaxanthine Max 500
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Delisted Colors :
• FD&C Red No. 2 – Amaranth (dye)• FD&C Red No. 4• FD&C Red No. 32 was used to color Florida
oranges• FD&C Orange No. 2 was used to color Florida
oranges• FD&C Orange No. 1, was one of the first
water soluble dyes to be commercialized, and one of seven original food dyes allowed under the Pure Food and Drug Act of June 30, 1906.
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1. Food coloring
“Primary colors & secondary colors ???”
Young children like bright, vibrant colours (reds, yellows and oranges etc...) whilst Older people
like more gentle or sophisticated colours and tones such as shades of blue.
Primary Primary Complementary
Red + Yellow Orange
Yellow + Blue Green
Blue + Red Purple
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2. flavoring• Flavor Definition
Complex sensation induced by chemical compounds that are present in food or drink and are in equlibrium at time of ingestion. Simultaneous appreciation of stimuli receptors of taste on the tongue and smell in the nasal cavity, and general pain, feeling, and temperature receptors located throughout the mouth and throath (Heath, 1981)
• Flavor is important in Confectionery Factor that has no chemical or physiological basis for inclusion in the diet, but without it there would likely be no confectionery industry.
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2. flavoring• Definition :
The sensory impression of a food or other substance, and is determined mainly by the chemical senses of taste (tongue) and smell (nasal cavity). The taste of food is limited to sweet, sour, bitter, salty, and savory.
• Function :- Impress sense of taste and smell- Enhance natural/original flavor in food product- Offsetting flavor loss due to food processing
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Flavor
• Flavor preference and acceptance or rejection of foods, and confectionery products are no exception, display enormous variability, depending on such factor : ethnic origins education upbringing age environment
Flavor - Odor - Smell ????
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Flavoring Materials
• Naturally occurring plant materials Herbs, spices, vanilla, fruits, nuts, aromatic vegetables.
• Derivate from Natural Substance Extracts, essences, essential Oils, oleoresins, fruit juices, concentrates.
• Flavor Isolate Eugenol from clove leaf oil, citral from lemon grass oil.
• Synthetics by chemicall ex : vanillin from wood lignin• Artificial aromatic chemicals ex : gamma
undecalactone• Flavor enhancers ex : maltol• Taste modifiers ex : salt, sugar, organic acid.
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Type :• Natural flavor :
Vanilla, citrus oil, essential oil
• Fruit flavor : Bananas, apples & berries, etc.
• Acid : Citric acid, tartaric acid or volatile oil and aromatic chemicals.
• Fruit flavor mixed with synthetic flavor (improve original flavor, more stabile, resistant to high temperature).
• Caramel, honey, brown sugar, maple sugar, chocolate, milk, cream, butter = specific contributor of candy flavor.
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Synthetics FlavorEx. Formula of Apple Flavor :
• Geranilvalerat 10%• Geranil n-butirat 8%• Geranil propionat 8%• Linalil format 10%• Isoamilvalerat 15%• Vanilin 8%• Alylkaprilat 6%• Geranil aldehid 5%• Asetil dehida 6,5%• Metil siklopentonolon valerat 8%• Alfamentil furil akroelin 2%• Isoamil butirat
13,5%
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3. acidulants• Definition
Any substance that is added to food or drink to give or improve sour taste and odour. Additives that give a sharp taste to foods. They also assist in the setting of gels (consistency) and to act as preservatives.
• Many natural foods are acidic. Ex : oranges, lemons, apples, tomatoes, cheese and yoghurt contain natural acids, such as citric acid, that give them their characteristically sharp taste.
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What is pH mean ???
What is an acid ???
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• Type :
- Acetic
- Citric
- Fumaric
- Malic
- Lactic
- Tartaric
- Phosphoric
Function :
• Hydrolyze sugar into invert sugar prolong shelf life.
• Enhance/improve flavor : lime, lemon, grape, cherry.
• Decrease pH Antimicrobial agent.
• Metal Chelator (Cu, Fe)• Influence viscosity
“gelling”
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ACIDULANTS TYPE
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FOOD ACIDULANTS AND PROPERTIES
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•This acid strength value will be different for each acid.•The weaker the acid the higher level required to lower the pH.
ACID STRENGTH
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Acid strength values with this model system at pH values from 2.5 to 4.0
ACID STRENGTH
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PHOSPHATE
Function : 1. Chelator
2. Suplement
3. Emulsifying
Application in Food:• Cola, root beer, sarsaparilla, carbonated beverages.• Clarifying & acidify collagen• Acidify jam & jellies
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29
CITRIC ACID
Naturally present in lemon juices.Produced by fermentation “molds” on sugar syrups or molasses. High Solubility (50% in water) confectioneryFunction : - Maintain colour, aroma, vitamins of canned food - Control pH in confectionery
- chelator, antioxidantHard candy prefer to citric acid powder
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LACTIC ACID
• Flavor• Chelator • Control pH • Anti-microbial • Coagulant
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Tartaric Acid
• Prepared from potassium hydrogen tartrate• Chelator• Generally used in Baking powder• Application : butter, jam, jelly• Flavor in candy & confectionery (Hard
candies)
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ACETIC ACID
Application in Food :
Mayonnaise, sauce, pickle.
Function :
Control pH, flavor & shelf life.
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Ascorbic Acid
• Rarely used as acidulants• Strong reductor• Antioxidant • Stabilized by citric acid
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4. emulsifier
• Definition :Substance which stabilizes an emulsion by increasing its kinetic stability. One class of emulsifiers is known as surface active substances or surfactants.
• Type :Lecithin (egg yolk, soy), honey, and mustard, where a variety of chemicals in the mucilage surrounding the seed hull act as emulsifiers, sodium stearoyl lactylate.
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Function :• Control of viscosities• Slab releasing agent• Decelerate of candy
ossification , ex : starch base candy
• Inhibit of fat bloom• Decelerate of Glaze less
Function :• Improve palatability• Improve visibility• Stabilize the emulsion
(flavor-oil)• Inhibit the separation
between product and its constituents (ex : oil)
• Control grain and crystal
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Emulsifier in Food
• Oil-in-water (o/w) emulsions are common in food.
• Vinaigrette – vegetable oil in vinegar; if prepared with only oil and vinegar (without an emulsifier), yields an unstable emulsion.
• Mayonnaise – vegetable oil in lemon juice or vinegar, with egg yolk lecithin as emulsifier.
• Hollandaise sauce – similar to mayonnaise.• Crema in espresso – coffee oil in water (brewed
coffee), unstable.
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5. antioxidant
• Definition Molecule capable of slowing or preventing the oxidation of other molecules.
• Oxidation a chemical reaction that transfers electrons from a substance to an oxidizing agent.
• Oxidation produce free radicals, which start chain reactions that damage cells.
• Antioxidants terminate these chain reactions by removing free radical intermediates, and inhibit other oxidation reactions by being oxidized themselves.
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Food Antioxidants
• Antioxidants are often reducing agents such as 1) Thiols2) Ascorbic acid or polyphenols.
• Water soluble Ascorbic acid, glutathione, lipoic acid, uric acid
• Lipid Soluble Carotenes, ubiquinol, tocopherol
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Type :• Propil Galate• BHA• BHT
Function :
Inhibit oxidative breakdown of fat = extending shelf life candy
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6. Gelatinizing
• Definition :Substances that form gels and foams or act as
stabilizers.Some of these may be used as glazing coating. Increase viscosity, provide body, increase stability,
and improve suspension in aqueous solution.Frequently are based on :
polysaccharides (starches, vegetable gums, pectin, alginate, karegenan), or proteins.
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Gelatinizing Type
Type Thickener Stabilizer Emulsifier
Alginic acid + + +
Sodium alginate + + +
Potasium alginate + + +
Calcium alginate + + +
Agar + - +
Carrageenan + + +
Eucheuma seaweed + + +
Locust bean gum (Carob) + + +
Gelatine - - +
+ function and can be applied as- can not be used as
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Agar-agar
• Eastern name of seaweed.
• Extracted from red seaweed “Gelideum”.
• Japan was the only supplier until 1939.
• Agar can be produced also from Gigartina, Gracilaria, Furcellaria, Chondrus
• Agar is basically the sulfuric ester of a long chain galactan.
• The seaweed is extracted by boiling strainingextruded into powder
• The jelly forming power is high
• Conc. 0,5% firm jelly
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• Jelly production using agar texture unstabile
Syneresis
Pectin, starch, gum arab can be used as substituents in jelly production
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Alginates
• Discovery of Alginic acid which contain iodine increase alginate production.
• Seaweed “Macrocystis pyrifera” washed milled hot alkali treatmentclarification added with CaCl2 precipitate Ca-alginate.
• Application : stabilizer, emulsifier, thickener of ice cream, chocolate, milk suspension, cake icings and filling, chocolate syrup
• Alginate gels do not disperse in the mouth
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Carrageenan
• Seaweed “Chondrus crispus and Gigartina stallata”.
• Class : linear polysaccharide.
• Based on the structure : kappa, iota, lambda
• Carrageenan forms gels in water at conc. 0,5%
• Application : stabilizers in food industry, additive in chocolate syrup.
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Xanthan Gum
• Produced by biopolymerization “fermentation by Xanthomonas campestris”.
• High molecular weight natural polysaccharide.
• Application : liquid (soy sauce), pastes, syrups
• Product filling in bakery
• In confectionery its use to date has been inadequately pursued.
• It can be combined with guar and carob (locust bean) gum to increase the viscosities.
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Gum Acacia, Gum Arabic
• Species of Acacia tree (African continent).
Properties :• Moisture content 12-15%.• Solubility in water about
40% at 24oC.• Very high viscosity• Max viscosity if the pH is
adjusted to 6-7• Used as lozenge/tablet,
glaze
• Gum arabic don’t have special properties of the true gum.
• Gum arabic relative high in cost substitute with other gum.
Application :
• Glaze, binder for lozenges, gum candy, control crystallization.
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• Natural water-soluble gum : arabic, locust bean, tragacant, guar, as binder, thickener, stabilizer, film former
• As binder : lozenges, bind sugar particle
• Candy with water content <<, gum emulsion as flavor carrier
• Candy wafer sheet made by extrussion process permit easy sheeting of mass of powdered sugar plasticizing agent prevent brittle during low pH
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Guar gum, Carob Gum
• Guar gum derived from the seed of the Guar plant (Cyamopsis tetragonoloba) India.
• Chemically galactomannan with specific formulation.
• Extracted from endosperm (after remove outer husk and germ).
• Carob gum Locust bean tree (Ceratonia siligna) Mediterranean.
• Small yield = 3-4%• Chem.Modif
hydroxyethtyl carboxyl esters improve solubility & viscosity
• Jelly candy add with 0,1-0,2% prevent syneresis.
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Starch Function• Dusting & molding
medium• Gelling ingredient to
jellies+gum• Thicken or contributes
body product
Modified starch• To improve texture &
decrease syneresis• Example: corn flour,
rice, potato & tapioca
Starch
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• Present naturally in fruits & vegetables.
• Gel forming agent• High molecular weight
polymer• Solubility in syrup
decrease due to increasing of its concentration
• Stabile in acid pH
Galactose Galacturonic acid (pectic acids) methyl Galacturonic (Pectin’s monomer) Pectinic acid (polymethylgalacturonic)
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Pectin’s TypeHigh methoxyl pectins• 50% or >>> the
carboylic group esterified
• Jellification Need the presence of soluble solid (sugar) 60-80% and acid (pH 3,1-3,6) to form gels.
• Jelly candy min. soluble solids 75%
Low methoxyl pectins• <<< than 50%• Require metalic salt
to form gel, usually calcium.
• Useful in prep. Of puddings and sauces.
The relationship between gel formation, pH and soluble
solids content ????
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• As glazes applied in the chocolate of sugar panning process
• Ex: bees wax, carnauba wax
• Function : provide protection from cracking & splitting, moisture loss
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7. saa
• Definition Substance which lowers the surface tension of the medium in which it is dissolved, and/or the interfacial tension with other phases, and, accordingly, is positively adsorbed at the liquid/vapour and/or at other interfaces.
• Type : Glycerol monoesters, sorbitan.• Function : inhibit or prevent blooming,
stabilize the emulsion system.
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• Glyserol monoester
Frequently used in gummy candies
reduce adhesiveness
Inhibit candy adhering (on teeth)
• Sorbitan monoester
Ester of fatty acids and sorbitan
Prevent bloom in confectionery product Improve palatability
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Aerating Agents
• Definition
Method of introduction of air or other gas in the form of very small bubbles, into a liquid or solid products.
• Example :
whole egg, egg albumen, egg white, gelatin.
Effects of aerating agents :• Density reduction• Texture modification• Special Mouthfeel• Change in shelf life
Can be applied in :
Marshmallow, aerated chocolate, chewable candy
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• Influence texture of candy
• Aerating agent (stabilizing dispersed air cell in whipped candy)
• Water & syrup soluble• Whipping & foaming
abilities (in boiling syrup)
• Candy using soy albumen has darkness colour than using egg albumen
• Moisture retaining capability
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Gelatin
• Gelatin as the product obtained by partial hydrolysis of collagen derived from the skin, white connective tissue and bones of animal (cattle).
• Application : ice cream, pie fillings.
Type :• Type A derived from
acid treatment, isoelectric point pH 7 and pH 9.
• Type B derived from alkali treatment, isoelectric point pH 4,7 and pH 4,5.
• It swell when soaked in cold water dissolve on heating.
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• Extracted from animal skin & bone (Cattle including pork)
• Gelatin ossein (bone) dan collagen (skin)
• Properties : sheet, flake, powder, colorless, smell
• Expand on cold water, but soluble in hot water Form changes into jelly in low temperature.
• Generally used ranging from 1,5-2,5% concentration in marshmallow.
• Given : whipped, quality and shelflife character
• 2 type of gelatin :• Quick setter (tender, short
breaking body)• Slow setter (candy texture
more strength)
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• Dr hewan/ tumbuhan• Veget oil soybean &
cotton seed = to chewy, fudges & fondant
• Hydrogenate shortening = maximum shelf life
• Coconut oil = ‘lubricant’ in caramel/similar candy= impart pleasing, cooling sensation in the mouth
• Cocoa butter = coating• Fat, hard / soft, umumnya
digunakan tidak lebih 12% pd permen, untuk menghambat absorbsi air
• Bila dipakai sbg coating = menghambat penetrasi air & kristalisasi
• Soft fat= butter, margarin &peanut oil = make a shorter body
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• Bodying/bulking agent• Soft center• Sanding• Generally use as toasted
form, sweetened or unsweetened
• Desiccated coconut with different kind of size
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