- Water soluble active medicament ex: vitamins, antibiotics, laxatives etc
- Oil soluble active medicament ex: vitamins, laxatives etc.
- Fixed oil: castor oil, olive oil, cod liver oil, shark liver oil, arachis oil, cotton seed oil.
- Mineral oil: Liquid paraffin, Hard paraffin.
- volatile oil: Eucalyptus oil, oil of winter green, turpentine oil, neem oil, benzoyl benzoate.
- Oleoresins: Tincture of myrrth, tincture of balsam of tolu, tincture of lobelia, extracts of colophony.
Purified water, distilled water, aromatic water, viz, Chloroform water and cinnamon water.
These are the agents which are used to miscibilize two immiscible phase by reducing the interfacial tension between the phase or by increases the viscosity their by preventing the coalescence of the dispersed globules agents. Emulsifying agents are two types:
- Primary emulsifying agents: These produced good emulsion.
- secondary emulsifying agents also called as emulsion stabilisers: These produced coarse emulsion but when used with a primary emulsifying agents the resulting emulsion has improved stability ex: Tragacanth.
Classification of emulsifying agents:
A. Natural emulsifying agents:
Polysaccharides ex: Acacia, tragacanth, sodium alginate, starch, pectin and agar.
Sterol containing ex: Bees wax, wool fat, wool alcohol.
B. semisynthetic emulsifying agents: Methyl cellulose, Carboxymethyl cellulose (CMC).
C. Surfactants (surface active agents)
- Alkali metal and ammonium soaps ex: Sodium potassium or Ammonium salts of long chain fatty acids such as oleic acids, stearic acid and ricinolic acid; preformed soap such as soft soap.
- Soaps of divalent and trivalents metals ex: Calcium, Magnesium, Aluminium and zinc salts of fatty acids.
- Alkyl sulphates ex; Sodium lauryl sulphates, sodium dodecyl sulphates, sodium cetosteryl sulphates.
- Alkyl phosphates: Sodium lauryl phosphate, sodium dodecyl phosphates, sodium cetosteryl phosphates.
ex: Quaternary ammonium compounds such as cetrimide: cetrimide emulsifying wax.
- Glycol and glycerol esters ex: Glyceryl monostearate, propylene glycol monosearate.
- Sorbitan esters ex: sorbitan monolaurate, sorbitan monoleate, sorbitan monostearate.
- Macrogol esters ex: Macrogol stearate 400, Macrogol stearate 200e0.
- Macrogol ethers ex: PEG 1000 monocetyl eher
- polysorbates ( tweens) ex: polysorbate 20, 60, 80.
- polyalkols ex: polyoxyethylene dervatives of polyoxypropylene.
- polyvinyl alcohols ex: polyvinyl acetate.
- Higher fatty acids ex: cetyl alcohols, steryl alcohols, cetosteryl alcohols.
D. Finely divided solids ex: Bentonite, aluminum and magnesium hydroxides, colloidal silicon dioxides.
E. Others ex: saponins, carbomer.
- Antioxidants ex: sodium sulphates, sodium metabisulphates, BHT, BHA, Tocopherol derivatives.
- Antimicrovial agents: ex sodium benzoates, methyl and propyl parabens, chloroform, chlorocresol.
- Flavouring agents ex: vanilin, Benzaldehyde, perfumes obtain volatile oil.
31 thoughts on “Formulation of emulsion”
I抳e read a few good stuff here. Definitely worth bookmarking for revisiting. I wonder how much effort you put to make such a excellent informative website.
My partner and I absolutely love your blog and find nearly all of your post’s to be precisely what I’m looking for. can you offer guest writers to write content for you? I wouldn’t mind composing a post or elaborating on a number of the subjects you write regarding here. Again, awesome web site!
Krotki okres zycia jest dostatecznie dlugi na to, aby zyc dobrze i uczciwie. – Cyceron
Zycie to zagadka, nie trac czasu, bo jej nie rozwiazesz. – Dan Millman
Zycie zaczyna sie tam, gdzie kończy sie lek. – Osho
Wow, amazing weblog structure! How long have you ever been running a blog for? you made running a blog glance easy. The full glance of your web site is excellent, let alone the content!
You really make it appear really easy along with your presentation however I in finding this topic to be really one thing that I feel I might never understand. It kind of feels too complicated and extremely vast for me. I’m taking a look forward in your next publish, I will try to get the grasp of it!
great concepts, however how approximately just not blog for the day you do not have to mention quality over quantity!
Aloha, I found your blog on Bing Weblogs and think it is pretty intriguing and delivers fantastic material. Thank you regarding this superb post, I will certainly promote this on Twitter. Have a pleasant day.
I blog very often and also I very seriously like your web content. This wonderful piece has genuinely peaked my rate of interest. I am going to book mark your site and keep looking for brand-new info about once a week. I opted in for your RSS feed in addition.
I like the helpful information you provide in your articles. Ill bookmark your weblog and check again here frequently. I’m quite certain Ill learn many new stuff right here! Best of luck for the next!
There is obviously a bunch to know about this. I feel you made various good points in features also.
I’ll keep in mind of your blog site and inspect again here regularly.
Write more, thats all I have to say. Literally, it seems as though you relied on the video to make your point. You clearly know what youre talking about, why waste your intelligence on just posting videos to your site when you could be giving us something informative to read?
Definitely, what a great site and enlightening posts, I surely will bookmark your site.Best Regards!
Its unusual for me to discover something on the cyberspace thats as entertaining and intriguing as what you have got here. Your page is lovely, your graphics are outstanding, and whats more, you use reference that are relevant to what you are saying. Youre certainly one in a million, keep up the good work!
I will surely foreward this post to all of my pals! Its very first-rate and a very decent read!
Nice to become browsing your weblog once more, it continues to be months for me. Nicely this article that ive been waited for so long. I require this article to total my assignment in the school, and it has exact same topic together with your post. Thanks, great share.
Your blog site has fascinating web content. I believe you need to write more as well as you will get more followers. Maintain writing.
I have been surfing online more than three hours today, yet I never found any interesting article like yours. It is pretty worth enough for me. In my view, if all web owners and bloggers made good content as you did, the internet will be much more useful than ever before.
Super-Duper website! I am loving it!! Will be back later to read some more. I am taking your feeds also.
One powerful thing that you should try to do when blogging is to write about a topic that has not been written about yet.
I am regular visitor, how are you everybody? This piece of writing posted at this website is truly good.|
Its Pleasure to comprehend your blog.The above articles is fairly extraordinary, and I really enjoyed reading your blog and points that you expressed. I genuinely like to seem back over a common basis,post a great deal a lot more inside the subject.Thanks for sharing?-keep writing!!!
The post is very appealing, you made some valid points and the matter is on point. I have made a decision to add your site to my bookmarks so I can go back to it at another time.
Nice site man Ive been looking everywhere for something like this!
Thanks so much for the article post.Really thank you! Fantastic.
Pretty nice post. I just stumbled upon your blog and wanted to say that I have really enjoyed surfing around your blog posts. In any case I will be subscribing to your rss feed and I hope you write again very soon!
There is certainly a lot to know about this subject. I love all the points you made.
I really like and appreciate your article.Thanks Again. Keep writing.
You ought to take part in a contest for one of the best sites on the net. I most certainly will highly recommend this web site!