Abu Bakar MF, Ismail NA, Isha A, Mei Ling AL (2016) Phytochemical Composition and Biological Activities of Selected Wild Berries (Rubus Moluccanus L., R. Fraxinifolius Poir., and R. Alpestris Blume). Evidence-Based Complementary and Alternative Medicine16:1-10.

Anokye M, Tetteh JP, Otoo E (2014) Morphological Characterization of Some Water Yam (Dioscorea alata L .) Germplasm in Ghana. Journal of Agricultural Science and Technology B Journal of Agricultural Science and Technology 4: 518-532

Berman J, Sheng Y, Gómez Gómez L, Veiga T, Ni X, Farré G, Capell T, Guitián J, Guitián P, Sandmann G, Christou P, Zhu C (2016) Red Anthocyanins and Yellow Carotenoids Form the Color of Orange-Flower Gentian (Gentiana Lutea L. Var. Aurantiaca). PLoS ONE 11: 1–20.

 Brand-Williams W, Cuvelier ME, Berset C (1995) Use of a free radical method to evaluate antioxidant activity. LWT-Food science and Technology 28:25-30.

Bravo L (1998) Polyphenols: Chemistry, Dietary Sources, Metabolism, and Nutritional Significance. Nutrition Reviews 56:  317–333.

Bressan EA, Neto TB, Zucchi MI, Rabello RJ, Veasey EA (2011) Morphological Variation and Isozyme Diversity in Dioscorea Alata L. Landraces from Vale Do Ribeira. Brazil Scientia Agricola 68: 494–502.

Chen T, Hu S, Zhang H, Guan Q, Yang Y, Wang X (2017) Anti-inflammatory effects of Dioscorea alata L. anthocyanins in a TNBS-induced colitis model. Food and Function 8: 659-669.

  Das A, Chaudhuri D, Ghate N, Chatterjee A (2014) Phytochemical analysis, antioxidant and anticancer potential of leaf extracts from edible greater yam, Dioscorea alata L., from north-east India. International Journal of Phytopharmacology 5: 109-119.

Davies KM, Bloor SJ, Spiller GB, Deroles SC (1998) Production of Yellow Colour in Flowers: Redirection of Flavonoid Biosynthesis in Petunia. Plant Journal 13: 259–266.

Fang Z, Dan W, Dong Y, Xinqian Y, Donghong L, Jianchu C (2011) Phenolic compounds in Chinese purple yam and changes during vacuum frying. Food Chemistry 128:943-948

Ferede R, Maziya-Dixon B, Alamu OE, Asiedu R (2010) Identification and quantification of major carotenoids of deep yellow-fleshed yam (tropical Dioscoreadum etorum). Journal of Food, Agriculture and Environment 8: 160-166

Forbes-Hernández TY, Gasparrini M, Afrin S, Cianciosi D, González-Paramás AM, Santos-Buelga C, Mezzetti B, Quiles JL, Battino M, Giampieri F, Bompadre S (2017) Strawberry (Cv. Romina) Methanolic Extract and Anthocyanin-Enriched Fraction Improve Lipid Profile and Antioxidant Status in HepG2 Cells. International Journal of Molecular Sciences 18: 149-157.

Giusti MM, Wrolstad RE (2005) Characterization and measurement of anthocyanins by UV-visible spectroscopy. Unit F1.2. In: Wrolstad RE, Schwartz SJ, editors. Handbook of Food Analytical Chemistry. New York: John Wiley & Sons Inc. Pp 19–31

Hasan SM, Ngadin AA, Shah RM, Mohamad N (2008) Morphological Variability of Greater Yam (Dioscorea alata L.) in Malaysia. Plant Genetic Resources: Characterisation and Utilisation 6 : 52–61

He J, Giusti MM (2010) Anthocyanins: Natural Colourants with Health-Promoting Properties. Annual Review of Food Science and Technology 1: 163–87.

Holick CN, Michaud DS, Stolzenberg-Solomon R, Mayne ST, Pietinen P, Taylor PR, Virtamo J, Albanes D (2002) Dietary carotenoids, serum beta-carotene, and retinol and risk of lung cancer in the alpha-tocopherol, beta-carotene cohort study. American Journal of Epidemiology 156:536-47

IPGRI/IITA (1997) Descriptors for Yam (Dioscorea spp.). International Institute of Tropical Agriculture, Ibadan, Nigeria/ International Plant Genetic Resources Institute, Rome, Italy.

Jesus M, Martins AP, Gallardo E, Silvestre S (2016) Diosgenin: Recent Highlights on Pharmacology and Analytical Methodology. Journal of Analytical Methods in Chemistry 41:562-593

Jyothy A, Sheela MN, Radhika NK, Anwar I (2017) Morphological Characterization of Greater Yam ( Dioscorea alata L .) Landraces in Kerala. Journal of Root Crops 43: 3–10.

Kumar S, Das G, Shin HS, Patra JK (2017) Dioscorea spp. (A Wild Edible Tuber): A Study on Its Ethnopharmacological Potential and Traditional Use by the Local People of Similipal Biosphere Reserve, India. Frontiers in Pharmacolgy 8:52-59

Lubag Angelo JM, Laurena AC, Tecson-Mendoza EM (2008) Antioxidants of Purple and White Greater Yam (Dioscorea alata L.) Varieties from the Philippines. Philippine Journal of Science 137: 61-67

Michel KA, Brice DKE, Boni N, Sidoine EB, Pierre ZG (2015) Dichotomous Key Determining Varietal Groups of Yam Species Dioscorea alata L. Greener Journal of Agricultural Sciences 5:190-203.

Ozgen M, Joseph CS, Neil RR, Miller R (2010) Total Phenolic, Anthocyanin Contents and Antioxidant Capacity of Selected Elderberry (Sambucus Canadensis L.) Accessions. Pharmacognosy Magazine 6: 198-209

Pekal A, Pyrzynska K (2014) Evaluation of Aluminium Complexation Reaction for Flavonoid Content Assay. Food Analytical Methods 7:1776-1782

Rodriguez-Amaya DB, Kimura M (2004) Harvestplus Handbook for Carotenoid Analysis. HarvestPlus Technical Monograph 2. Washington, DC, and Cali., International Food Policy Research Institute (IFPRI) and International Center for Tropical Agriculture (CIAT).

Sajjaanantakul TT, Likitwatanasade S, Idhipon SS, Hongsprabhas P (2014) Effect of Storage Conditions on Phenolic Compounds and Antioxidant Capacity of Thai Yam (Dioscorea alata L.) Tubers. Agricultural Sciences: Leading Thailand to World Class Standards. Proceedings of the 52nd Kasetsart University Annual Conference, Kasetsart University, Thailand. Vol. 6: Agro-Industry, 114–21.

Sellappan S, Akoh CC, Krewer G (2002) Phenolic compounds and antioxidant capacity of Georgia-grown blueberries and blackberries. Journal of Agricultural and Food Chemistry 50:2432-2438.

Sindhi V, Gupta V, Sharma K, Bhatnagar S, Reeta Kumari, Dhaka N (2013) Potential Applications of Antioxidants – A Review. Journal of Pharmacy Research 7: 828–35.

Sing RP, Chidambara Murthy KN, Jayaprakash GK (2002) Studies on the antioxidant activity of pomegranate peel and seed
extracts using in vitro models. Journal of Agricultural and Food Chemistry 50: 81–86.

Siqueira MVBM (2017) Yam: A Neglected and Underutilized Crop in Brazil. Horticultura Brasileira 29: 16–20.

Sreeramulu D, Raghunath M (2010) Antioxidant Activity and Phenolic Content of Roots, Tubers, and Vegetables Commonly Consumed in India. Food Research International 43: 1017–1020.

 Tang Y, Weixi C, Xu B (2015) Profiles of Phenolics, Carotenoids and Antioxidative Capacities of Thermal Processed White, Yellow, Orange and Purple Sweet Potatoes Grown in Guilin, China. Food Science and Human Wellness 4: 123.

Tewodros M, Mekbib F, Shimelis H, Gebre E, Amelework B (2018) Genetic diversity of yam (Dioscorea spp.) landrace collections from Ethiopia using simple sequence repeat markers. Australian Journal of Crop Science 12:1223-1233.

Ukom AN, Ojimelukwe PC, Ezeama CF, Ortiz DO, Aragon IJ (2014) Phenolic Content and Antioxidant Activity of Some Under-Utilized Nigerian Yam (Dioscorea spp.) and Cocoyam  Xanthoso mamaffa (Scotts) Tubers. IOSR Journal of Environmental Science, Toxicology and Food Technology
8: 104–111.

Yu L, Haley S­­­, Perret J, Harris M, Wison J, Qian M (2002) Free radical scavenging properties of wheat extracts. Journal of Agricultural and Food Chemistry 50:1619–1624.

Zhishen J, Mengcheng T, Jianming (1999) The determination of flavonoid co­ntents in mulberry and their scavenging effects on superoxide radicals.  Food Chemistry 64:. 555– 559.