PLANT MORPHOLOGY, VEGETATIVE BIOMASS COMPOSITION AND ENERGY CONTENT OF THREE DIFFERENT Silybum marianum ACCESSIONS
Tommaso Martinelli
Council for Agricultural Research and Economics – Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, Italyhttps://orcid.org/0000-0002-1702-3853
Abstract
Silybum marianum (L.) Gaertn. (milk thistle) is plant species that has been utilized principally for medicinal purposes for more than 2000 years. Recently it was proposed for biomass production in marginal environments, but vegetative biomass compositional analyses had not been available so far. The study of plant morphology and biomass composition was conducted on three different S. marianum accessions grown under open field conditions. The results indicate that plant morphological traits show major differences between accessions: this suggests that the available natural variability can be further utilized in order to develop improved S. marianum cultivars. Biomass compositional analysis shows that extractives, ash, lignin and cellulose content are comparable to other herbaceous bioenergy crops and that these traits display only limited variability in the studied accessions. Hemicellulose fraction is composed only by xylans and its content appears averagely lower in comparison to other herbaceous biomasses. Interestingly, in S. marianum biomass total nitrogen content is lower if compared to other herbaceous species. The possible involvement of this specific biomass trait in S. marianum nitrogen utilization efficiency has to be further investigated.
Keywords:
milk thistle, cellulose, hemicellulose, lignin, nitrogen concentration, lignocelluloseReferences
Afshar, R.K., Chaichi, M.R., Alipour, A., Jovini, M.A., Dashtaki, M., Hashemi, M. (2015). Potential of milk thistle for biomass production in semiarid regions. Crop Sci., 55, 1295–1301. DOI: 10.2135/cropsci2014.10.0678
Andrzejewska, J., Sadowska, K., Mielcarek, S. (2011). Effect of sowing date and rate on the yield and flavonolignan content of the fruits of milk thistle (Silybum marianum L. Gaertn.) grown on light soil in a moderate climate. Ind. Crop. Prod., 33, 462–468. DOI: 10.1016/j.indcrop.2010.10.027
Andrzejewska, J., Martinelli, T., Sadowska, K. (2015). Silybum marianum: non-medical exploitation of the species. Ann. Appl. Biol., 167, 285–297. DOI: 10.1111/aab.12232
Domínguez, M.T., Montiel-Rozas, M.M., Madejon, P., Diaz, M.J., Madejon, E. (2017a). The potential of native species as bioenergy crops on trace-element contaminated Mediterranean lands. Sci. Total Environ., 590–591, 29–39. DOI: 10.1016/j.scitotenv.2017.03.018
Domínguez, M.T., Madejon, P., Madejon, E., Bianco, M.J.D. (2017b). Novel energy crops for Mediterranean contaminated lands: valorization of Districhia viscosa and Silybum marianum biomass by pyrolysis. Chemosphere, 186, 968–976. DOI: 10.1016/j.chemosphere.2017.08.063
Estaji, A., Souri, M.K., Omidbaigi, R. (2011). Evaluation of different levels of nitrogen and flower pruning on milk thistle (Silybum marianum L.) yield and fatty acids. Z. Arznei-Gewurzpfla, 16, 170–175.
Estaji, A., Souri, M.K., Omidbaigi, R. (2016). Evaluation of Nitrogen and Flower Pruning Effects on Growth, Seed Yield and Active Substances of Milk Thistle. J. Essent. Oil-Bear. Plants, 19, 678–685. DOI: 10.1080/0972060X.2014.981592
Gominho, J., Curt, M.D., Lourenço, A., Fernández, J., Pereira, H. (2018). Cynara cardunculus L. as a biomass and multi-purpose crop: a review of 30 years of research. Biomass Bioenerg., 109, 257–275. DOI: 10.1016/j.biombioe.2018.01.001
Ibáñez, A.B., Bauer, S. (2014). Downscaled method using glass microfiber filters for the determination of Klason lignin and structural carbohydrates. Biomass Bioenerg., 68, 75–81. DOI: 10.1016/j.biombioe.2014.06.013
ISMEA report (2013). “Piante officinali in Italia: un’istantanea della filiera e dei rapporti tra i diversi attori”. Available: https://www.politicheagricole.it/flex/cm/pages/ServeBLOB.php/L/IT/IDPagina/6678 [date of access: 25.11.2020].
Jakubowski, A.R., Jackson, R.D., Casler, M.D. (2017). Can biomass yield of switchgrass be increased without increasing nitrogen requirements? Crop Sci., 57, 2024–2031. DOI: 10.2135/cropsci2017.03.0193
Kalamaras, S.D., Kotsopoulos, T.A. (2014). Anaerobic co-digestion of cattle manure and alternative crops for the substitution of maize in South Europe. Bioresour. Technol., 172, 68–75. DOI: 10.1016/j.biortech.2014.09.005
Kuchelmeister, C., Bauer, S. (2015). Rapid Small-Scale Determination of Extractives in Biomass. Bioenerg. Res., 8, 68–76. DOI: 10.1007/s12155-014-9493-x
Ledda, L., Deligios, P., Farci, R., Sulas, L. (2013). Biomass supply for energetic purposes from some Carduae species grown in a Mediterranean rainfed low input cropping system. Ind. Crop. Prod., 47, 218–226. DOI: 10.1016/j.indcrop.2013.03.013
Martinelli, T., Andrzejewska, J., Salis, M., Sulas, L. (2015). Phenological growth stages of Silybum marianum according to the extended BBCH scale. Ann Appl. Biol., 166, 53–66. DOI: 10.1111/aab.12163
Martinelli, T., Potenza, E., Moschella, A., Zaccheria, F., Benedettelli, S., Andrzejewska, J. (2016). Phenotypic evaluation of a milk thistle germplasm collection: fruit morphology and chemical composition. Crop Sci., 56, 3160–3172. DOI: 10.2135/cropsci2016.03.0162
Martinelli, T. (2019). Identification of milk thistle shatter resistant mutant lines with altered lignocellulosic profile for the complete domestication of the species. Crop Sci., 59, 2119–2127. DOI: 10.2135/cropsci2019.02.0103
Merrill, A.L., Watt, B.K. (1973). Energy Value of Foods: Basis and Derivation. In: Agriculture Handbook No. 74. ARS United States Department of Agriculture, Washington DC.
Morazzoni, P., Bombardelli, E. (1995). Silybum marianum (Carduus marianus). Fitoterapia, 66, 3–42.
Ram, G., Bhan, M.K., Gupta, K.K., Thaker, B., Jamwal, U., Pal, S. (2005). Variability pattern and correlation studies in Silybum marianum Gaertn. Fitoterapia, 76, 143–147. DOI: 10.1016/j.fitote.2004.10.006
Shokrpour, M., Gigloo, M.T., Asghari, A., Bahrampour, S. (2011). Study of some agronomic attributes in milk thistle (Silybum marianum Gaertn.) ecotypes from Iran. J. Med. Plant. Res., 5, 2169–2174.
Sluiter, J.B., Ruiz, R.O., Scarlata, C.J., Sluiter, A.D., Templeton, D.W. (2010). Compositional Analysis of Lignocellulosic Feedstocks. 1. Review and Description of Methods. J. Agric. Food Chem., 58, 9043–9053. DOI: 10.1021/jf1008023
Smith, T., Kawa, K., Eckl, V., Johnson, J. (2016). Sales of Herbal Dietary Supplements in US Increased 7.5% in 2015 Consumers spent $6.92 billion on herbal supplements in 2015, marking the 12th consecutive year of growth. HerbalGram, 111, 67–73.
Somerville, C., Youngs, H., Taylor, C., Davis, S.C., Long, S.P. (2010). Feedstocks for lignocellulosic biofuels. Science, 329, 790–792. DOI: 10.1126/science.1189268
Sorek, N., Yeats, T.H., Szemenyei, H., Youngs, H., Somerville, C.R. (2014). The implications of lignocellulosic biomass chemical composition for the production of advanced biofuels. BioScience, 64, 192–201. DOI: 10.1093/biosci/bit037
Sulas, L., Murgia, L., Ventura, A. (2008) Phytomass production from Silybum marianum for bioenergy. Opt. Méd., 79, 487–490.
Toscano, G., Foppa Pedretti, E. (2009). Calorific value determination of solid biomass fuel by simplified method. J. Agric. Eng., 40, 1–6. DOI: 10.4081/jae.2009.3.1
Wathelet, J.P., Iori, R., Leoni, O., Quinsac, A., Palmieri, S. (2004). Guidelines for glucosinolate analysis in green tissues used for biofumigation. Agroindustria, 3, 257–266.
Williams, C.L., Emerson, R.M., Tumuluru J.S. (2017). Biomass compositional analysis for conversion to renewable fuels and chemicals. In: Biomass volume estimation and valorisation for energy, Tumuluru, J.S. (ed.). InTechOpen, London. DOI: 10.5772/65777
Council for Agricultural Research and Economics – Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, Italy https://orcid.org/0000-0002-1702-3853
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