Christof Steingaß

Dr. Christof Steingaß

Organizational Unit(s):Department of Beverage ResearchProfessorship for Analysis & Technology of Plant-based Foods – Focus on Beverages
Contact:
Phone: +49 6722 502 317
eMail: Christof.Steingass(at)hs-gm.de
Postal Address:Von-Lade-Straße 1
D-65366 Geisenheim
Address: 65366 Geisenheim
Publications
Dußling S., Steingaß C., Dreifke T., Will F., Schweiggert R. (2024): Analytical characterization of flavan-3-ol-rich apple juices produced with the innovative spiral filter press technology. Food Research International 180 DOI: 10.1016/j.foodres.2024.114055
Steingass C.B., Burkhardt J., Bäumer V., Kumar K., Mibus-Schoppe H., Zinkernagel J., Esquivel P., Jiménez V.M., Schweiggert R. (2023): Characterisation of acylated anthocyanins from red cabbage, purple sweet potato, and Tradescantia pallida leaves as natural food colourants by HPLC-DAD-ESI(+)-QTOF-MS/MS and ESI(+)-MSn analysis. Food Chemistry 416 DOI: 10.1016/j.foodchem.2023.135601
Wagner A., Irmler J., Nagypál J., Bach P., Ludwig M., Will F., Schweiggert R., Steingass C.B. (2023): HS-SPME-GC-MS profiling and sensory analyses of juices from red-fleshed `Weirouge´ apples made with innovative and conventional dejuicing systems. European Food Research and Technology 249 S. 3201 - 3216. DOI: 10.1007/s00217-023-04360-4
Wagner A., Dussling S., Nowak A., Zimmermann L., Bach P., Ludwig M., Kumar K., Will F., Schweiggert R., Steingass C.B. (2023): Investigations into the stability of anthocyanins in model solutions and blackcurrant juices produced with various dejuicing technologies. European Food Research and Technology 249 S. 1771 - 1784. DOI: 10.1007/s00217-023-04252-7
Warner J., Pöhnl T., Steingass C.B., Bogarin D., Carle R., Jiménez V.M. (2023): Pectins, hemicellulose and lignocellulose profiles vary in leaves among different aromatic Vanilla species (Orchidaceae). Carbohydrate Polymer Technologies and Applications 5 DOI: 10.1016/j.carpta.2023.100289
Öztürk A., Steingass C.B., Schweiggert R., Carle R., Yemiş O., Erşan S. (2023): Ultrasound-assisted extraction and (U)HPLC-DAD-ESI-MSn analysis of phenolic compounds from black chokeberries cultivated in Turkey. Journal of Applied Botany and Food Quality 96 S. 21 - 29. DOI: 10.5073/JABFQ.2023.096.003
Jungen M., Dragicevic N., Rodriguez-Werner M., Schmidt S., Dinis K., Tsamba L., Jamin E., Fiedler T., Fischbach N., Steingaß C.B., Camel V., Schweiggert R. (2022): A pragmatic authenticity assessment of lemon (Citrus limon [L.] Burm.f.) juices by its profile of coumarins, psoralens, and polymethoxyflavones. Food Control 146 (10) DOI: 10.1016/j.foodcont.2022.109529
Wagner A., Dussling S., Scansani S., Bach P., Ludwig M., Steingass C.B., Will F., Schweiggert R. (2022): Comparative evaluation of juices from red-fleshed apples after production with different dejuicing systems and subsequent storage. Molecules 27 (8) DOI: 10.3390/molecules27082459
Esquivel P., Usaga J., Schweiggert R., Steingass C.B., Jiménez V.M. (2022): Effect of Processing on Biofunctionality of Selected Tropical Fruit Juices. ACS Food Science and Technology 2 (3) S. 455 - 473. DOI: 10.1021/acsfoodscitech.1c00414
Distefano M., Steingass C.B., Leonardi C., Giuffrida F., Schweiggert R., Mauro R.P. (2022): Effects of a plant-derived biostimulant application on quality and functional traits of greenhouse cherry tomato cultivars. Food Research International 157 DOI: 10.1016/j.foodres.2022.111218
Schex R., Schweiggert R., Steingass C.B. (2021): Atmospheric pressure chemical ionization mass spectrometry of retro‐carotenoids. Rapid Communications in Mass Spectrometry 36 (7) DOI: 10.1002/rcm.9250
Schex R., Lieb V.M, Schäfer C., Schweiggert R., Steingass C.B. (2021): Carotenoid profiles of red- and yellow-colored arils of cultivars of Taxus baccata L. and Taxus × media Rehder. Phytochemistry 186 DOI: 10.1016/j.phytochem.2021.112741
Jungen M.G., Lotz P., Patz C.-D., Steingass C.B., Schweiggert R.M. (2021): Coumarins, psoralens, and quantitative 1H-NMR spectroscopy for authentication of lemon (Citrus limon [L.] Burm.f.) and Persian lime (Citrus × latifolia [Yu.Tanaka] Tanaka) juices. Food Chemistry 359 DOI: 10.1016/j.foodchem.2021.129804
Verny M.-A., Milenkovic D., Macian N., Pereira B., Pereira B., Evrard R., Gilcher C., Steingass C.B., Mosoni P., Gladine C., Monfoulet L.-E., Schweiggert R., Pickering G., Morand C. (2021): Evaluating the role of orange juice, HESPERidin in vascular HEALTH benefits (HESPER-HEALTH study): protocol for a randomised controlled trial. BMJ Open 11 DOI: 10.1136/bmjopen-2021-053321
Steingass C.B., Dickreuter J., Kuebler S., Schweiggert R.M., Carle R. (2021): Influence of fruit logistics on fresh-cut pineapple (Ananas comosus [L.] Merr.) volatiles assessed by HS-SPME-GC-MS analysis. European Food Research and Technology 247 S. 1617 - 1630. DOI: 10.1007/s00217-021-03718-w
Vollmer K., Czerny M., Vásquez-Caicedo A.L., Varona Iglesias S., Frank J., Carle R., Steingass C.B. (2021): Non-thermal processing of pineapple (Ananas comosus [L.] Merr.) juice using continuous pressure change technology: HS-SPME-GC-MS profiling, descriptive sensory analysis, and consumer acceptance. Food Chemistry 345 DOI: 10.1016/j.foodchem.2020.128786
Lux P.E., Freiling M., Stütz W., von Tucher S., Carle R., Steingass C.B., Frank J. (2020): (Poly)phenols, carotenoids, and tocochromanols in corn (Zea mays L.) kernels as affected by phosphate fertilization and sowing time. Journal of Agricultural and Food Chemistry DOI: 10.1021/acs.jafc.9b07009
Steingaß C., Schweiggert R. (2020): Carotenoids in Goji Berry (Lycium barbarum L.): Structural Diversity, Nutritional Importance and Applications in Functional Foods. 9780367076344
Zacarías-García J., Lux P.E., Carle R., Schweiggert R.M., Steingass C.B., Zacarías L., Rodrigo M.J. (2020): Characterization of the Pale Yellow Petal/Xanthophyll esterase gene family in citrus as candidates for carotenoid esterification in fruits. Food Chemistry 342 DOI: 10.1016/j.foodchem.2020.128322
Steingass C.B., Vollmer K., Metwali E.M.R., Kadasa N.M.S., Almaghrabi O.A., Schweiggert R.M., Carle R. (2020): Chlorophyll and carotenoid patterns of Middle Eastern date (Phoenix dactylifera) fruit at different maturity stages. International Journal of Agriculture and Biology 23 (4) S. 845 - 850. DOI: 10.17957/IJAB/15.1360
Esquivel P., Viñas M., Steingass C.B., Gruschwitz M., Guevara E., Carle R., Schweiggert R.M., Jiménez V.B. (2020): Coffee (Coffea arabica L.) by-products as a source of carotenoids and phenolic compounds – evaluation of varieties with different peel color. Frontiers in Sustainable Food Systems 4 DOI: 10.3389/fsufs.2020.590597
Vollmer K., Chakraborty S., Bhalerao P.P., Carle R., Frank J., Steingass C.B. (2020): Effect of Pulsed Light Treatment on Natural Microbiota, Enzyme Activity, and Phytochemical Composition of Pineapple (Ananas comosus [L.] Merr.) juice. Food and Bioprocess Technology DOI: 10.1007/s11947-020-02460-7
Lieb V.M., Kleiber C., Metwali E.M.R., Kadasa N.M.S., Almaghrabi O.A., Steingass C.B., Carle R. (2020): Fatty acids and triacylglycerols in the seed oils of Saudi Arabian date (Phoenix dactylifera L.) palms. International Journal of Food Science and Technology 55 (4) S. 1572 - 1577. DOI: 10.1111/ijfs.14383
Steingass C.B., Vollmer K., Lux P.E., Dell C., Carle R., Schweiggert R.M. (2020): HPLC-DAD-APCI-MSn analysis of the genuine carotenoid pattern of pineapple (Ananas comosus [L.] Merr.) infructescence. Food Research International 127 DOI: 10.1016/j.foodres.2019.108709
Bitterling H., Schäfer U., Krammer G., Meier L., Brückner S.I., Hartmann B., Ongouta J., Carle R., Steingass C.B. (2020): Investigations into the Natural Occurrence of 1-Phenylethyl Acetate (Styrallyl Acetate). Journal of Agricultural and Food Chemistry 68 (32) S. 8613 - 8620. DOI: 10.1021/acs.jafc.0c02758
Vollmer K., Santarelli S., Vásquez-Caicedo A.L., Varona Iglesias S., Frank J., Carle R., Steingass C.B. (2020): Non-thermal processing of pineapple (Ananas comosus [L.] Merr.) juice using continuous pressure change technology (PCT): Effects on physical traits, microbial loads, enzyme activities, and phytochemical composition. Food and Bioprocess Technology S. 1833 - 1847. DOI: 10.1007/s11947-020-02520-y
Erşan S., Berning J.C., Esquivel P., Jiménez V.M., Carle R., May B., Schweiggert R.M., Steingass C.B. (2020): Phytochemical and mineral composition of fruits and seeds of wild-growing Bactris guineensis (L.). H.E. Moore palms from Costa Rica. Journal of Food Composition and Analysis 94 DOI: 10.1016/j.jfca.2020.103611
Esquivel P., Schweiggert R.M., Chacón-Ordóñez, Steingass C.B., Carle R., Jiménez V.M. (2019): Carotenoid assembly in fruits and vegetables. 978-1-78801-242-3
Difonzo G., Vollmer K., Caponio F., Pasqualone A., Carle R., Steingass C.B. (2019): Characterisation and classification of pineapple (Ananas comosus [L.] Merr.) juice from pulp and peel. Food Control 96 S. 260 - 270. DOI: 10.1016/j.foodcont.2018.09.015
Lieb V.M., Schex R., Esquivel P., Jiménez V.M., Schmarr H.-G., Carle R., Steingass C.B. (2019): Fatty acids and triacylglycerols in the mesocarp and kernel oils of maturing Costa Rican Acrocomia aculeata fruits. NFS Journal 14-15 S. 6 - 13. DOI: 10.1016/j.nfs.2019.02.002
Lieb V.M., Schuster L.K., Kronmuller A., Schmarr H.G., Carle R., Steingass C.B. (2019): Fatty acids, triacylglycerols, and thermal behaviour of various mango (Mangifera indica L.) kernel fats. Food Research International 116 S. 527 - 537. DOI: 10.1016/j.foodres.2018.08.070
Lux P.E., Carle R., Zacarías L., Rodrigo M.-J., Schweiggert R.M., Steingass C.B. (2019): Genuine carotenoid profiles in Sweet Orange (Citrus sinensis (L.) Osbeck cv. Navel) peel and pulp at different maturity stages. Journal of Agricultural and Food Chemistry 67 (47) S. 13164 - 13175. DOI: 10.1021/acs.jafc.9b06098
Muller-Maatsch J., Gurtner K., Carle R., Steingass C.B. (2019): Investigation into the removal of glucosinolates and volatiles from anthocyanin-rich extracts of red cabbage. Food Chemistry 278 S. 406 - 414. DOI: 10.1016/j.foodchem.2018.10.126
Lieb V.M., Schuster L.K., Schmarr H.G., Carle R., Steingass C.B. (2019): Lipophilic compounds and thermal behaviour of African mango (Irvingia gabonensis (Aubry-Lecomte ex. O'Rorke) Baill.) kernel fat. International Journal of Food Science and Technology 54 S. 626 - 633. DOI: 10.1111/ijfs.13940
Wen X., Ersan S., Li M., Wang K.L., Steingass C.B., Schweiggert R.M., Ni Y.Y., Carle R. (2019): Physicochemical characteristics and phytochemical profiles of yellow and red Physalis (Physalis alkekengi L. and P. pubescens L.) fruits cultivated in China. Food Research International 120 S. 389 - 398. DOI: 10.1016/j.foodres.2019.03.002
Irias-Mata A, Jimenez VM, Steingass CB, Schweiggert RM, Carle R, Esquivel P (2018): Carotenoids and xanthophyll esters of yellow and red nance fruits (Byrsonima crassifolia (L.) Kunth) from Costa Rica. Food Research International 111 S. 708 - 714. DOI: 10.1016/j.foodres.2018.05.063
Lieb V.M., Esquivel P., Castillo E.C., Carle R., Steingass C.B. (2018): GC-MS profiling, descriptive sensory analysis, and consumer acceptance of Costa Rican papaya (Carica papaya L.) fruit purees. Food Chemistry 248 S. 238 - 246. DOI: 10.1016/j.foodchem.2017.12.027
Schex R., Lieb V.M., Jimenez V.M., Esquivel P., Schweiggert R.M., Carle R., Steingass C.B. (2018): HPLC-DAD-APCl/ESI-MSn analysis of carotenoids and alpha-tocopherol in Costa Rican Acrocomia aculeata fruits of varying maturity stages. Food Research International 105 S. 645 - 653. DOI: 10.1016/j.foodres.2017.11.041
Lieb V.M., Kerfers M.R., Kronmuller A., Esquivel P., Alvarado A., Jimenez V.M., Schmarr H.G., Carle R., Schweiggert R.M, Steingass C.B. (2017): Characterization of Mesocarp and Kernel Lipids from Elaeis guineensis Jacq., Elaeis oleifera [Kunth] Cortes, and Their Interspecific Hybrids. Journal of Agricultural and Food Chemistry 65 S. 3617 - 3626. DOI: 10.1021/acs.jafc.7b00604
Steingass C.B., Glock M.P., Lieb V.M., Carle R. (2017): Light-induced alterations of pineapple (Ananas comosus [L.] Merr.) juice volatiles during accelerated ageing and mass spectrometric studies into their precursors. Food Research International 100 S. 366 - 374. DOI: 10.1016/j.foodres.2017.06.030
Steingass C.B., Dell C., Lieb V., Mayer-Ullmann B., Czerny M., Carle R. (2016): Assignment of distinctive volatiles, descriptive sensory analysis and consumer preference of differently ripened and post-harvest handled pineapple (Ananas comosus [L.] Merr.) fruits. European Food Research and Technology 242 S. 33 - 43. DOI: 10.1007/s00217-015-2515-x
Ziegler JU, Steingass CB, Longin CFH, Wurschum T., Carle R., Schweiggert RM (2015): Alkylresorcinol composition allows the differentiation of Triticum spp. having different degrees of ploidy. Journal of Cereal Science 65 S. 244 - 251. DOI: 10.1016/j.jcs.2015.07.013
Steingass C.B., Langen J., Carle R., Schmarr H.G. (2015): Authentication of pineapple (Ananas comosus [L.] Merr.) fruit maturity stages by quantitative analysis of gamma- and delta-lactones using headspace solid-phase microextraction and chirospecific gas chromatography-selected ion monitoring mass spectrometry (HS-SPME-GC-SIM-MS). Food Chemistry 168 S. 496 - 503. DOI: 10.1016/j.foodchem.2014.07.071
Maier C., Conrad J., Steingass C.B., Beifuss U., Carle R., Schweiggert R.M. (2015): Quillajasides A and B: New Phenylpropanoid Sucrose Esters from the Inner Bark of Quillaja saponaria Molina. Journal of Agricultural and Food Chemistry 63 S. 8905 - 8911. DOI: 10.1021/acs.jafc.5b03532
Steingass C.B., Carle R., Schmarr H.G. (2015): Ripening-dependent metabolic changes in the volatiles of pineapple (Ananas comosus (L.) Merr.) fruit: I. Characterization of pineapple aroma compounds by comprehensive two-dimensional gas chromatography-mass spectrometry. Analytical and Bioanalytical Chemistry 407 S. 2591 - 2608. DOI: 10.1007/s00216-015-8474-z
Steingass C.B., Jutzi M., Muller J., Carle R., Schmarr H.G. (2015): Ripening-dependent metabolic changes in the volatiles of pineapple (Ananas comosus (L.) Merr.) fruit: II. Multivariate statistical profiling of pineapple aroma compounds based on comprehensive two-dimensional gas chromatography-mass spectrometry. Analytical and Bioanalytical Chemistry 407 S. 2609 - 2624. DOI: 10.1007/s00216-015-8475-y
Steingass CB, Glock MP, Schweiggert RM, Carle R. (2015): Studies into the phenolic patterns of different tissues of pineapple (Ananas comosus [L.] Merr.) infructescence by HPLC-DAD-ESI-MS (n) and GC-MS analysis. Analytical and Bioanalytical Chemistry 407 S. 6463 - 6479. DOI: 10.1007/s00216-015-8811-2
Steingass C.B., Grauwet T., Carle R. (2014): Influence of harvest maturity and fruit logistics on pineapple (Ananas comosus [L.] Merr.) volatiles assessed by headspace solid phase microextraction and gas chromatography-mass spectrometry (HS-SPME-GC/MS). Food Chemistry 150 S. 382 - 391. DOI: 10.1016/j.foodchem.2013.10.092
Schweiggert RM, Steingass CB, Esquivel P, Carle R (2012): Chemical and Morphological Characterization of Costa Rican Papaya (Carica papaya L.) Hybrids and Lines with Particular Focus on Their Genuine Carotenoid Profiles. Journal of Agricultural and Food Chemistry 60 S. 2577 - 2585. DOI: 10.1021/jf2045069
Schweiggert R.M, Mezger D., Schimpf F., Steingass C.B., Carle R. (2012): Influence of chromoplast morphology on carotenoid bioaccessibility of carrot, mango, papaya, and tomato. Food Chemistry 135 S. 2736 - 2742. DOI: 10.1016/j.foodchem.2012.07.035
Schweiggert R.M., Steingass C.B., Mora E., Esquivel P., Carle R. (2011): Carotenogenesis and physico-chemical characteristics during maturation of red fleshed papaya fruit (Carica papaya L.). Food Research International 44 S. 1373 - 1380. DOI: 10.1016/j.foodres.2011.01.029
Schweiggert RM, Steingass CB, Heller A, Esquivel P, Carle R (2011): Characterization of chromoplasts and carotenoids of red- and yellow-fleshed papaya (Carica papaya L.). Planta 234 S. 1031 - 1044. DOI: 10.1007/s00425-011-1457-1
Research Projects
Quantitative 1H-NMR spectroscopy for plant metabolite profiling in food and beverage products of Costa Rican fruits and vegetables

Project start: 01.07.2021
Project end: 31.12.2023
Sponsor: Alexander v. Humboldt Stiftung

This project is being carried out within the framework of a Georg Forster Fellowship funded by the Alexander von Humboldt Foundation. The aim of the research project is to apply quantitative 1H-NMR spectroscopy to the analysis of tropical fruits and products derived thereof. The focus is on fruits of commercial importance for Costa Rica, such as pineapple and papaya. Furthermore, hitherto little-used fruits such as the red-fleshed dragon fruit, guanabana, mangosteen and star fruit are being investigated. In particular, the influence of different processing conditions on nutritionally relevant ingredients is to be analysed, utilizing the oxygen-excluding novel spiral filter press.

OPTIBERRY - Optimal use of by-products of berry fruit production

Project start: 01.03.2020
Project end: 01.03.2022
Sponsor: European Commission, Federal Ministry of Education and Research

OPTIBERRY targets innovative processing and biorefinery/extraction concepts to food prototypes and (non)-food ingredients for sustainable use of berry biomass available, especially the non-premium fruit. The project will result high added value (non)-food applications to process or market the non-premium class fruit of raspberry, strawberry and blackberry (Figure 1). This valorisation will result in a more resilient berry supply chain, creating a secure and long-lasting sustainable relationship between the berry grower and its potential customers. Berries were chosen for their economic importance and local clustered availability. In Europe almost 2 million tons of berries are grown.However, more than 15% of these berries do not enter the fresh market because of quality reasons. Part of these non-premium fruit finds a destination in the industry but are sold at dumping prices. Economically relevant functionalities and bio-activities have been assigned to berry biomass. Most of the berry species are rich in broad set of functional molecules such as polyphenols. This provides multiple opportunities for the envisaged bio-based product development.

Large-scale research equipment according to Art. 91b GG

Project start: 01.10.2019
Project end: 31.12.2024
Sponsor: German Research Foundation

In the course of this research project, an ultra-high performance liquid chromatography system interfaced with a high resolution QTOF coupled ion mobility mass spectrometer has been installed. Main tasks of the new system are the comprehensive characterization of technologically, nutritionally, and regulatorily relevant plant compounds, residues and contaminants in plant materials, foods and beverages as well as by-products of the food and agricultural industry.

Hochschule Geisenheim
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