1. Thompson JC, He B. Characterization of crude glycerol from biodiesel production from multiple feedstocks. Appl Eng Agric 2006; 22:261–5.
2. Crandall L. Glycerol abundance cause for concern. Inform 2004; 15:146–7.
3. Gholami Z, Abdullah AZ, Lee K-T. Dealing with the surplus of glycerol production from biodiesel industry through catalytic upgrading to polyglycerols and other value-added products. Renew Sustain Energy Rev 2014; 39:327–41.
4. Food and Drug Administration. Code of Federal Regulations, 2006; 21CFR582.1320, Title 21;6. Silver Spring MD, USA: U.S. Food and Drug Administration; 2006.
5. Donkin SS, Koser SL, White HM, Doane PH, Cecava MJ. Feeding value of glycerol as a replacement for corn grain in rations fed to lactating dairy cows. J Dairy Sci 2009; 92:5111–9.
6. Roger V, Fonty G, Andre C, Gouet P. Effects of glycerol on the growth, adhesion, and cellulolytic activity of rumen cellulolytic bacteria and anaerobic fungi. Curr Microbiol 1992; 25:197–201.
7. Shin JH, Wang D, Kim SC, Adesogan AT, Staples CR. Effects of feeding crude glycerin on performance and ruminal kinetics of lactating Holstein cows fed corn silage- or cottonseed hull-based, low-fiber diets. J Dairy Sci 2012; 95:4006–16.
8. Perfield JW, Lock AL, Pfeiffer AM, Bauman DE. Effects of amide-protected and lipid-encapsulated conjugated linoleic acid (CLA) supplements on milk fat synthesis. J Dairy Sci 2004; 87:3010–6.
9. Santschi DE, Berthiaume R, Matte JJ, Mustafa AF, Girard CL. Fate of supplementary B-vitamins in the gastrointestinal tract of dairy cows. J Dairy Sci 2005; 88:2043–54.
10. van Cleef EHC, Almeida MTC, Perez HL, et al. Crude glycerin changes ruminal parameters,
in vitro greenhouse gas profile, and bacterial fractions of beef cattle. Livest Sci 2015; 178:158–64.
11. Bondioli P, Della Bella L. An alternative spectrophotometric method for the determination of free glycerol in biodiesel. Eur J Lipid Sci Technol 2005; 107:153–7.
12. Goering HK, van Soest PJ. Forage fiber analyses (apparatus, reagents, procedures, and some applications). Washington, USA: U.S. Agricultural Research Service; 1970. USDA Agriculture Handbook No. 379
13. Han J, Guenier A-S, Salmieri S, Lacroix M. Alginate and chitosan functionalization for micronutrient encapsulation. J Agric Food Chem 2008; 56:2528–35.
14. Sarmento B, Ferreira D, Veiga F, Ribeiro A. Characterization of insulin-loaded alginate nanoparticles produced by ionotropic pre-gelation through DSC and FTIR studies. Carbohydr Polym 2006; 66:1–7.
15. Siciliano-Jones J, Murphy M. Passage of inert particles varying in length and specific gravity through the postruminal digestive tract of steers. J Dairy Sci 1986; 69:2304–11.
16. Mandal S, Kumar SS, Krishnamoorthy B, Basu SK. Development and evaluation of calcium alginate beads prepared by sequential and simultaneous methods. Braz J Pharm Sci 2010; 46:784–93.
17. Takka S, Gurel A. Evaluation of chitosan/alginate beads using experimental design:formulation and
in vitro characterization. AAPS PharmSci Tech 2010; 11:460–6.
18. Segale L, Giovannelli L, Mannina P, Pattarino F. Calcium alginate and calcium alginate-chitosan beads containing celecoxib solubilized in a self-emulsifying phase. Scientifica 2016; Article ID 5062706
19. Cekić ND, Milić JR, Savić SD, et al. Influence of the preparation procedure and chitosan type on physicochemical properties and release behavior of alginate-chitosan microparticles. Drug Dev Ind Pharm 2009; 35:1092–102.
21. Soliman EA, El-Moghazy AY, El-Din MSM, Massoud MA. Microencapsulation of essential oils within alginate: Formulation and evaluation of antifungal activity. J Encapsulation Adsorp Sci 2013; 3:48–55.
22. Soni ML, Kumar M, Namdeo KP. Sodium alginate microspheres for extending drug release: formulation and
in vitro evaluation. Int J Drug Deliv 2010; 2:64–8.
23. Petzold G, Gianelli MP, Bugueno G, et al. Encapsulation of liquid smoke flavoring in ca-alginate and ca-alginate-chitosan beads. J Food Sci Technol 2014; 51:183–90.
24. Lopez M, Maudhuit A, Pascual-Villalobos MJ, Poncelet D. Development of formulations to improve the controlled-release of linalool to be applied as an insecticide. J Agric Food Chem 2012; 60:1187–92.
25. Lucinda-Silva RM, Salgado HRN, Evangelista RC. Alginate-chitosan systems:
in vitro controlled release of triamcinolone and
in vivo gastrointestinal transit. Carbohydr Polym 2010; 81:260–8.
26. Pongjanyakul T, Rongthong T. Enhanced entrapment efficiency and modulated drug release of alginate beads loaded with drug-clay intercalated complexes as microreservoirs. Carbohydr Polym 2010; 81:409–19.
27. Chan AW, Neufeld RJ. Modeling the controllable pH-responsive swelling and pore size of networked alginate based biomaterials. Biomaterials 2009; 30:6119–29.
28. George M, Abraham TE. Polyionic hydrocolloids for the intestinal delivery of protein drugs: alginate and chitosan - a review. J Control Release 2006; 114:1–14.
30. Gawad RMA, Strable M, Abo El-Nor SA, et al. Encapsulation method to protect unsaturated fatty acids from rumen biohydrogenation in vitro
. J Innov Pharmaceuticals Biol Sci 2015; 2:240–51.