To create a technology landscape report on Nanoemulsions in food
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With the rapid technological advances, studies in the field of Food processing and packaging have been extended from micro to nano-sized (10 -9 m) particles. Food nanotechnology is rapidly emerging with several innovations in food packaging and nutraceuticals. Nano-emulsions are now being increasingly used for encapsulating bio active compounds and act as transport vehicles in probiotic health foods and other functional foods. Furthermore, the so called ?smart foods? containing nanotech sensors in the packages are capable of detecting pathogens, toxins and other chemicals, enabling the consumers to detect food spoilage. Ongoing research areas include ?interactive foods? like beverages which change flavors and colors, foods that can adjust for a person?s nutritional needs Nanovip.
Emulsion is a system in which one liquid made of a fine particle is dispersed in another liquid, ex- oil dispersed in water (O/W emulsion). The emulsions are highly unstable and encounter problems like flocculation, creaming and coalescence. Though micro-emulsions have found a vast application in food processing, in recent years nano-emulsions are emerging out with better advantages when compared to micro-emulsions, as described below:
In general, Nano-encapsulation involves the incorporation, absorption or dispersion of bioactive compounds in small vesicles with nano (or submicron) diameters. The incorporated bioactive compounds may be protected against degradation, have improved stability and solubility (e.g., solubilizing a hydrophilic compound in hydrophobic matrices and vice versa) and therefore might increase bioavailability and delivery to cells and tissues. Reducing the size of encapsulates into the nanoscale offers opportunities related to prolonged gastrointestinal retention time caused by bio-adhesive improvements in the mucus covering the intestinal epithelium Bouwmeester et al. (2009)
Depending upon the nature of bioactive compounds, two types of nano-emulsions can be prepared. For water insoluble hydrophobic compounds like certain vitamins, minerals, aroma volatiles, flavor components, antioxidants, carotenoids and lutein, oil-in-water (o/w) emulsion is suitable. For water soluble bioactive compounds like the water soluble vitamins, w/o/w emulsion is used. The compounds are entrapped in the aqueous core of such emulsions. In a w 1 /o/w 2 emulsion system, upon consumption the external w 2 phase will be perceived but the internal w 1 phase will be shielded from the taste receptors during the time scales of eating. This helps to mask bitter tastes and undesirable flavors of the bioactive compounds Lakkis (2007).
S.No | English Keywords | French Keywords | German Keywords | ||||||
Food | Nano | Emulsions | Food | Nano | Emulsions | Food | Nano | Emulsions | |
1 | Food | Nano* | Emulsion, emulsifier, emulsify,emulsification | Alimentaires, aliment, aliments | Nano* | émulsion, émulsions, émulsifiant, émulsifiants, émulsification, | Lebensmittel | Nano* | Emulsion, Emulsionen, Emulgator, Emulgatoren, Emulgieren, Emulgierung |
2 | Beverage, Drink | Ultrafine | Colloid | Boissons, breuvage, des boissons | ultrafines | Colloïde, colloïdes, colloïdale, colloïdalement | Getränk, Getränke | ultrafeinen | Kolloid, Kolloid-, kolloidale, kolloidal |
3 | *** | *** | *** | *** | *** | *** | *** | *** | *** |
4 | **** | **** | **** | **** | **** | **** | **** | **** | **** |
CLASS CODE | DEFINITION |
CLASS CODES RELATED TO EMULSIONS | |
C08J000302 | *Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerization techniques |
CLASS CODE | DEFINITION |
977702 | Nanotechnology - Having biological material component |
S.No | F-theme | F-terms | |
1 | 4F070< | Processes of treating macromolecular substances | |
AE15 | Protective colloids |
Database: Thomson Innovation
Timeline: Query: 01/01/2001 - 27/8/2011
Patent Coverage: US, DWPI, FR, WO, EP, JP,CN, KR, DE, GB
S.No | Concept | Scope | Search string | Type of class codes | Class codes | INPADOC hits |
1 | (Food+Nano) keywords + Class codes of Emulsions | Title, Abstract, Claims | food *** AND Nano*** | Any IPC or ECLA | C08J000302 OR **** | ## |
2 | US class | *** | ||||
3 | 1 OR 2 | # | ||||
4 | (Food + emulsion) keywords + Class codes of Nano | Title, Abstract, Claims | food *** AND emulsion*** | Any IPC or ECLA | **** | # |
5 | US class | 977702 **** | ### | |||
6 | 4 OR 5 | ### | ||||
7 | (Nano keywords) + Class codes of Food emulsions | Title, Abstract, Claims | Nano* | Any IPC or ECLA | ***** | ### |
8 | US class | ***** | ## | |||
9 | 7 OR 8 | ## | ||||
10 | Final query | 3 OR 6 OR 9 | ## |
Database: Thomson Innovation
Timeline: Query: 01/01/2001 - 27/8/2011
Patent Coverage: FR, WO, EP
S.No | Concept | Scope | Search string | IPC or ECLA class codes | INPADOC hits |
1 | (Food+Nano) keywords + Class codes of Emulsions | Title, Abstract, Claims | alimentaires **** | C08J000302 *** | ## |
2 | (Food + emulsion) keywords + Nano class codes | Title, Abstract, Claims | alimentaires **** | *** | ## |
3 | (Nano keywords) + Class codes of Food emulsions | Title, Abstract, Claims | Nano *** | *** | ## |
4 | Final query | 1 OR 2 OR 3 | ## |
Database: Thomson Innovation
Timeline: Query: 01/01/2001 - 27/8/2011
S.No | Concept | Scope | Search string | IPC or ECLA class codes | INPADOC hits |
1 | (Food+Nano) keywords + Class codes of Emulsions | Title, Abstract, Claims | Lebensmittel **** | C08J000302 *** | ## |
2 | (Food + emulsion) keywords + Nano class codes | Title, Abstract, Claims | Lebensmittel **** | *** | ## |
3 | (Nano keywords) + Class codes of Food emulsions | Title, Abstract, Claims | Nano *** | *** | ## |
4 | Final query | 1 OR 2 OR 3 | ## |
Database: Thomson Innovation
Timeline: Query: 01/01/2001 - 27/8/2011
Patent Coverage: JP
S.No | Concept | Scope | Search string | F-Terms | INPADOC hits |
1 | (Food+Nano) keywords + Emulsion class codes | Title, Abstract, Claims | Food **** | 4F070AE15 *** | ## |
2 | (Food + emulsion) keywords + Nano class codes | Title, Abstract, Claims | Food **** | *** | ## |
3 | Nano keywords + Food emulsion or encapsulation class codes | Title, Abstract, Claims | Nano *** | *** | ## |
4 | Final query | 1 OR 2 OR 3 | ## |
Query | Search strategy | No. of hits |
Final Query | English OR French OR German OR Japanese | #### (Relevancy = ##%) |
S.No | Patent/Publication No. | Assignee/ Applicant | Year | Title | Focus | Dolcera summary |
1 | US 2011/0038942 A1 | TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD. | 2011 | BETA-LACTOGLOBULIN-POLYSACCHARIDE NANOPARTICLES FOR HYDROPHOBIC BIOACTIVE COMPOUNDS | Delivery of hydrophobic nutraceuticals | A colloidally stable nano-dispersion of beta-lactoglobulin in combination with a polysaccharide has been used in foods to deliver hydrophobic bioactive compounds. |
2 | US 2010/0136207 A1 | KOREA FOOD RESEARCH INSTITUTE | 2010 | NANOEMULSION AND NANOPARTICLE CONTAINING PLANT ESSENTIAL OIL AND METHOD OF PRODUCTION THEREOF | Encapsulation of functional components in food | A nanoemulsion is prepared using a water soluble biopolymer to encapsulate plant essential oils which are used as functional components in foods. |
3 | US 2010/ 0028444 A1 | BASF SE | 2010 | USE OF WATER-DISPERSIBLE CAROTENOID NANOPARTICLES AS TASTE MODULATORS, TASTE MODULATORS CONTAINING WATER-DISPERSIBLE CAROTENOID NANOPARTICLES, AND, METHOD FOR TASTE MODULATION | Nanoparticles as taste modulators | Water dispersible carotenoid nanoparticles in combination with azo compounds are used to modify the bitter taste and after taste of food compositions. |
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Taxonomy was populated based on the detailed analysis of patents.
Assignees were categorized based on the type of their products viz. Foods,Food additives, Biotech, Pharmaceutical,Chemical and other industries, Research and Educational Institutions etc and their patents have been shown in the Dolcera Interactive Dashboard.
A data preview of the dashboard is shown below:
A chart preview of the dashboard is shown below:
S.No | Patent no. | Title | Assignee | Products | Product description by Company | Snapshot |
1 | US7182950 | Nano-sized self-assembled liquid dilutable vehicles | Nutralease Ltd. | Flavors - ex-NSSL mint, NSSL orange Nurtition ingredients - NSSL CoQ-10, NSSL Lycopene, NSSL Lutein, NSSL Beta-carotene, NSSL Omega-3, NSSL Vitamin A, NSSL Vitamin D3, NSSL Vitamin E, NSSL Phytosterols, NSSL Isoflavones | Nutralease Ltd. | |
2 | US7994157 | Method for dispersing plant sterol for beverage and a plant sterol-dispersed beverage, of which particle size is nanometer-scale in dispersed beverage | KIP Biotech | Dispersible Plant Sterols (DP Sterols) | KIP Biotech LLC | |
3 | US20090047388 | Calcium fortified creamed honey | HONEYCAL | Honeycal® Calcium Fortified, Honey Spread | Global Nutrition, L.L.C. |
Database: Scirus
Timeline: 2000 to 2012
Subject areas: Agricultural and Biological sciences, Chemistry and Chemical engineering, Engineering, Energy and Technology, Environmental sciences, Life sciences
S.No | Concept | Search string | No. of hits |
1 | Keywords based search | Food* | |
2 | Restricted based on affiliation | *** | |
3 | 1 AND 2 | ### |
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