Remix education
pharmacystudy material

Raw material colors:- PPT/PDF

Description

Subject:- herbal drug Technology

Semester:- 6th sem

Course:- Bachelor of Pharmacy B Pharmacy

       Subject Code: BP603T

Subject Title: Herbal drug Technology



             Contents
            • Raw materials

            • Colors




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                          Raw materials


At the end of the session, student will be able to


• Identify suitable colors for preparing herbal cosmetics

• Explain the various natural colors available for formulating

 cosmetics




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                    Raw materials - colors

• Nature –various colors – ancient man

• Later – used as cosmetics –dying the hairs, painting lips and faces,

 coloring food, pharmaceutical and textile products

• Colorant : Substances added to cosmetics products to colour the

 product and /or to impart color to the skin and /or its appendages

• Colour – an dye, pigment or other substance that can impart colour

 toa food, drug or cosmetics or to the human body
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                     Raw materials - colors

• Colored compounds – chromogen or bear chromophores - absorbs

 light in near UV region

• Pigments or colors – present – cell sap – anthocyanin (bright red/

 blue color), flavonoids, anthroquinone, napthoquinone, carotenoids,

 indigoids, benzopyrone derivatives and diaryl heptanoids




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                      Raw materials - colors



• Synthetic dyes – toxic


• Natural dyes – food colorants – approved as food and medicinal dyes




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                        Raw materials - colors
                    Annatto - carotenoids

Biological source: Dried seeds – Bixa orellana

Family : Bixaceae

Physical properties: Yellow orange in color

Soluble in alcohol, ether, insoluble in water

Chemical constituents: oleo resin – Bixin (yellow colored carotenoid) – 2.5%



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                    Raw materials - colors
                Annatto - carotenoids

Uses: coloring agent – cosmetics, food, beverages




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                     Raw materials - colors
                       Chlorophyll

Biological source: Green leaves of higher plants and green algae (

 PRESENT IN CHLOROPLAST)

• Mixture of 4 pigments – Chlorophyll a (blue black)

                      Chlorophyll b (Green black)

                        Carotene (Orange red)

                        Xanthophyll (Yellow)
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                     Raw materials - colors

                       Chlorophyll

Physical properties: Soluble in organic solvent, Slightly soluble in

 water

Uses: Coloring agents – soaps, oils and cosmetics




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Raw materials - colors
                       Cochineal

Biological source: Dried female insects Dactilopius coccus

Family : Coccidae

Production: Bugs –collected – autumn –protected winter

• Killed –immersion in hot water or exposure to hot sun

• Natural exposure - sun – good quality and variety of dye


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Raw materials - colors
• Heating - sun –color changes to purplish black color – black grains

• Burning – sulphur and charcoal fumes –develop purple grey color –

 black grains

• Tubular glands - surface – wax

Chemical constituents: 10 % anthroquinone dye – Carminic acid , 10%

 fat, 2% wax


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Raw materials - colors

• Uses: Coloring agent – cosmetics, drug, liquid and solid food
 preparations




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Raw materials - colors
                  Henna (Lawsonia)

Biological source: Dried leaves – Lawsonia inermis

Family : Lythraceae

Chemical constituents: Lawsone – 2,5 – diOH-1,4-naphthoquinone (orange

 dye)

Uses: Hair dye

     Along with dihydroxy acetone –sunscreen agent

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Raw materials - colors
                Lawsone




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 Raw materials – colors

                  Curcumin - Turmeric

Biological source: Bright yellow coloring material obtained from

 the rhizomes of Curcuma longa

Family : Zingiberaceae

Solubility: soluble – ethanol, acetic acid

Insoluble – water, ether


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Raw materials – colors




     Uses: Food colouring agent




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Raw materials - colors
                       Carthamine

Biological source: Carthamin is a natural red pigment derived from

 safflower, Carthamus tinctorius

Family : Asteraceae
Uses: It is used as a dye and a food coloring. As a food additive, it is
 known              as           Natural            Red             26.
 Carthamin was used as a dye in ancient Egypt. It was used
 extensively in the past for dyeing wool for the carpet industry in
 European countries


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Raw materials - colors




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Raw materials - colors
                 Crocin (Saffron)

Biological source: Golden yellow – orange carotenoid pigment

 obtained from the dried stigmas and upper parts of styles of Crocus

 sativus

Family : Iridaceae

Solubility: Soluble in hot water and insoluble in absolute alcohol

Uses : Food colourant
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Raw materials - colors




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 Raw materials - colors
                      Capsanthin (Paprika)

Biological source: Red colour carotenoid pigment obtained from

 the fruit of Capsicum annum

Family : Solanaceae

Constituents: Carotenoid - Capsanthin

Uses: Coloring agent for food, pharmaceutical, cosmetics and

 beverages

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 Raw materials - colors
                            Lutein (Tagetus)

Biological source: Yellow orange colour carotenoid pigment

 obtained from the flower of Tagetus erecta

Family : Compositae

Uses: Coloring agent for food, pharmaceutical

Used as additive of chicken feed to give colour to egg yolks



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 Raw materials - colors
                            Betanin (Beet root)

Biological source: Red glycoside obtained from the beet root,

 Beta vulgaris

Family :

Uses: Coloring agent for ice cream,

powdered soft drink beverages, soups, in some

sugar confectionery

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Summary


• Colorant : Substances added to cosmetics products to colour

 the product and /or to impart color to the skin and /or its

 appendages

• Natural pigments




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Thank You
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