[1] Ahmad, I., Ahmad Khan, M.S., Cameotra, S.S. (2014). Quality assessment of herbal drugs and medicinal plant products. Enc. Anal. Chem., 1–17.
[2] Choudhary, N., Singh Sekhon, B. (2011). An overview of advances in the standardization of herbal drugs. J. Pharm. Educ. Res., 2(2), 55-70.
[3] Bent, S. (2008). Herbal medicine in the United States: Review of efficacy, safety and regulation. J. Gen. Intern. Med., 23(6), 854-859.
[4] Bigliardi, B., Galati, F. (2013). Innovation trends in the food industry: the case of functional foods. Trends Food Sci. Tech., 31(2), 118–129.
[5]
Benzie I.F.,
Choi, S.W. (2014). Antioxidants in food: content, measurement, significance, action, cautions, caveats, and research needs.
Adv. Food Nutr. Res., 71, 1-53.
[6] Sanaullah Khan, R., Grigor, J., Winger, R., Win, A. (2013). Functional food product development - Opportunities and challenges for food manufacturers. Trends Food Sci. Tech., 30, 27-37.
[7] Kunle, O.F., Egharevba, H.O., Ahmadu, P.O. (2012). Standardization of herbal medicines-A review. Int. J. Biodivers. Conserv., 4(3), 101-112.
[8] Mosihuzzaman, M., Iqbal Choudhary, M., (2008). Protocols on safety, efficacy, standardization, and documentation of herbal medicine. Pure Appl. Chem., 80(10), 2195-2230.
[9] Ekka, N.R., Namdeo, K.P., Samal, P.K. (2008). Standardization strategies for herbal drugs-An overview. Research J. Pharm. Tech., 1(14), 310-312.
[10]
Sahoo, N.,
Manchikanti, P.,
Dey, S. (2010). Herbal drugs: Standards and regulation.
Fitoterapia, 81, 462-471.
[11] WHO. Quality control methods for medicinal plant materials, 1998a. URL http://apps.who.int/medicinedocs/documents/h1791e/h1791e.pdf. Accessed 23.2.2015.
[12]
Govindaraghavan, S.,
Sucher, N.J. (2015). Quality assessment of medicinal herbs and their extracts: Criteria and prerequisites for consistent safety and efficacy of herbal medicines,
Epilepsy Behav, doi: 10.1016/j.yebeh.2015.03.004.
[13] WHO. WHO monographs on selected medicinal plants, 1999. URL http://apps.who.int/medicinedocs/pdf/s2200e/s2200e.pdf . Accessed 23.2.2015
[14] Jayaran Kumar, K. (2011). Bottle necks in standardization of traditional system of medicines, Res. J. Med. Plants, 5(4), 443-447.
[15] Thirumalai, D., paridhavi, M., Gowtham, M. (2011). An overview of standardization of herbal drugs. Int. J. Rev. Life Sci., 1(3), 167-170.
[16]
Heng, M.Y.,
Tan, S.N.,
Hong Yong, J.W.,
Shi Ong, E. (2013). Emerging green technologies for the chemical standardization of botanicals and herbal preparations,
TRAC- Trend. Anal. Chem., 50, 1–10.
[17]
Zhang, J.,
Wider, B.,
Shang, H., Li,
X., Ernst, E. (2012). Quality of herbal medicines: Challenges and solutions,
Complement. Ther. Med., 20, 100–106.
[18] Ong, E. S., (2004). Extraction methods and chemical standardization of botanicals and herbal preparations. J. Chromatogr B., 812, 23–33.
[20] Yang, L., Wu, D., Tang, X., Peng, W., Wang, X., Ma, Y., Su, W.,(2005). Fingerprint quality control of Tianjihuang by high-performance liquid chromatography–photodiode array detection. J. Chromatogr A., 1070, 35–42.
[21]
Li, S.P.,
Zhao, J.,
Yang, B. (2011). Strategies for quality control of Chinese medicines.
J. Pharm. Biomed Anal., 55, 802-9.
[22] Xie, P., Chen, S., Liang, Y., Wang, X., Tian, R., Upton, R. (2006). Chromatographic fingerprint analysis-a rational approach for quality assessment of traditional Chinese herbal medicine. J. Chromatogr A., 1112, 171–180.
[23] Xie, P., Leung, A.Y. (2009). Understanding the traditional aspect of Chinese medicine in order to achieve meaningful quality control of Chinese Materia Medica. J. Chromatogr A., 1216, 1933–1940.
[24] Asghari, Gh.R., Palizban, A.A., Tolue-Ghamari, Z., Adeli, F. (2008). Contamination of cadmium, lead and mercury on Iranian herbal medicines. Pharm. Sci., 1, 1-8.
[25] Rodrigues, M.V.N., Reyes, F.G.R., Rehder, V.L.G., Rath, S. (2005). An SPME–GC–MS method for determination of organochlorine pesticide residues in medicinal plant infusions. Chromatographia, 61, 291–297.
)