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Dr Tim O'Hare

Senior Research Fellow

Centre for Nutrition and Food Sciences
Queensland Alliance for Agriculture and Food Innovation
t.ohare@uq.edu.au
+61 7 535 15068

Overview

Qualifications

  • Graduate Diploma in Biotechnology, Queensland University of Technology
  • Bachelor of Agricultural Science, The University of Queensland
  • Doctor of Philosophy, The University of Queensland

Publications

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Grants

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Supervision

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Publications

Book Chapter

  • Analysing maize grain quality

    Fox, Glen P. and O'Hare, Tim J. (2017). Analysing maize grain quality. In Achieving sustainable cultivation of maize: volume 1 (pp. 1-24) Cambridge, England: Burleigh Dodds Science Publishing.

  • Papaya as a medicinal plant

    O'Hare, Timothy J. and Williams, David J. (2014). Papaya as a medicinal plant. In Ray Ming and Paul H. Moore (Ed.), Genetics and genomics of papaya (pp. 391-407) New York, NY, United States: Springer New York. doi:10.1007/978-1-4614-8087-7_21

Journal Article

Conference Publication

  • Biofortified sweet corn - a promising dietary source of zeaxanthin for age-related macular degeneration

    Netzel, Michael, Zeilmann, Theresa, Fanning, Kent, Rychlik, Michael and O'Hare, Tim (2019). Biofortified sweet corn - a promising dietary source of zeaxanthin for age-related macular degeneration. In: Proceedings 2019, 5, 2. 42nd Annual Scientific Meeting of the Nutrition Society of Australia, Canberra, ACT, Australia, (8-8). 27-30 November 2018.

  • Folate in strawberry and avocado – profile, distribution and total content

    Dumler, Caroline, Weber, Nadine, Striegel, Lisa, Rychlik, Michael, Hong, Hung, O'Hare, Tim and Netzel, Michael (2019). Folate in strawberry and avocado – profile, distribution and total content. In: 4th Queensland Annual Chemistry Symposium QACS 2019, Brisbane, QLD, Australia, (34-34). 29 November 2019.

  • Optimisation of extraction and saponification for the determination of free- and bound-carotenoids in orange capsicum and avocado

    Hong, Hung, Agarwal, Rimjhim, Netzel, Michael and O'Hare, Tim (2019). Optimisation of extraction and saponification for the determination of free- and bound-carotenoids in orange capsicum and avocado. In: QACS 2019 Programme. 4th Queensland Annual Chemistry Symposium QACS 2019, Brisbane, QLD, Australia, (31-31). 29 November 2019.

  • Strawberries - an underestimated dietary source of folate

    Netzel, Michael, Weber, Nadine, Dumler, Caroline, Striegel, Lisa, Phan, Anh, Trieu, Hung, Rychlik, Michael and O'Hare, Tim (2019). Strawberries - an underestimated dietary source of folate. In: Proceedings 2019, 5, 2. 42nd Annual Scientific Meeting of the Nutrition Society of Australia, Canberra, ACT, Australia, (7-7). 27-30 November 2018.

  • The effect of storage temperature on the accumulation of anthocyanins in different fruit tissues of Queen Garnet Plum

    Kodagoda, Gethmini, Hong, Hung, Topp, Bruce, Sultanbawa, Yasmina, O'Hare, Tim and Netzel, Michael (2019). The effect of storage temperature on the accumulation of anthocyanins in different fruit tissues of Queen Garnet Plum. In: QACS 2019 Programme. 4th Queensland Annual Chemistry Symposium QACS 2019, Brisbane, QLD, Australia, (18-18). 29 November 2019.

  • B14 - Strawberries – Higher in folate than previously thought!

    Netzel, Michael E., Weber, Nadine, Dumler, Caroline, Striegel, Lisa, Phan, Anh D. T., Trieu, Hung H., Rychlik, Michael and O'Hare, Tim (2018). B14 - Strawberries – Higher in folate than previously thought!. In: Programme and Abstracts. 3rd Queensland Annual Chemistry Symposium QACS 2018, Brisbane, QLD, Australia, (44-44). 23 November 2018.

  • B16 - The effect of physiological maturity and different cooking methods on anthocyanin accumulation in purple sweetcorn kernels

    Hong, Trieu, Netzel, Michael E. and O'Hare, Tim J. (2018). B16 - The effect of physiological maturity and different cooking methods on anthocyanin accumulation in purple sweetcorn kernels. In: Programme and Abstracts. 3rd Queensland Annual Chemistry Symposium QACS 2018, Brisbane, QLD, Australia, (46-46). 23 November 2018.

  • Extraction efficiency and stability of anthocyanins using acidified extraction solvents and UHPLC-PDA-MS/MS

    Hong, Hung T., Netzel, Michael E. and O'Hare, Tim J. (2018). Extraction efficiency and stability of anthocyanins using acidified extraction solvents and UHPLC-PDA-MS/MS. In: Abstracts. 3rd Queensland Mass Spectrometry Symposium, Brisbane, QLD, Australia, (). 6-7 December 2018.

  • Naturally Nutritious – Development of the Alpha Strawberry Packed With Folate

    Netzel, Michael, O'Hare, Tim and Rychlik, Michael (2018). Naturally Nutritious – Development of the Alpha Strawberry Packed With Folate. In: Appendix - Poster Exhibition. Launch of the Australia-Germany Research Network at the Australian Embassy in Berlin, Berlin, Germany, (). 20 Novemeber 2018.

  • Purple sweetcorn – something tasty and healthy?

    O'Hare, Tim J., Netzel, Michael E. and Hong, H. T. (2018). Purple sweetcorn – something tasty and healthy?. In: Abstracts of the 30th International Horticultural Congress. 30th International Horticultural Congress, Istanbul, Turkey, (PS1-11-PS1-11). 12-16 August 2018.

  • Zeaxanthin-biofortified popcorn: stability of carotenoids following microwave popping

    O'Hare, T. J. and de Souza, Sarzi B. (2018). Zeaxanthin-biofortified popcorn: stability of carotenoids following microwave popping. In: Bon Conference, Cambridge, United Kingdom, (1032-1032). 11-13 July 2018.

  • Determination of pigments of purple sweetcorn using LC-PDA-MS/MS

    Hong, Hung Trieu, Netzel, Michael E., Netzel, Gabriele and O'Hare, Tim J. (2017). Determination of pigments of purple sweetcorn using LC-PDA-MS/MS. In: Programme. 2nd Queensland Annual Chemistry Symposium QACS 2017, Brisbane, QLD, Australia, (41-41). 27 November 2017.

  • Effect of Postharvest Cool Storage on Carotenoid Content of Zeaxanthin Biofortified and Standard Yellow Sweet Corn

    Calvo, P., Shelat, K., Sultanbawa, Y. and O'Hare, T. (2017). Effect of Postharvest Cool Storage on Carotenoid Content of Zeaxanthin Biofortified and Standard Yellow Sweet Corn. In: Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Qld, Australia, (107-107). 20-22 November 2017.

  • Identification of purple anthocyanin pigments from purple sweetcorn using LC-PDA-MS/MS

    Hong, H. T., Netzel, M. E., Netzel, G., Giles, C. and O'Hare, T. J. (2017). Identification of purple anthocyanin pigments from purple sweetcorn using LC-PDA-MS/MS. In: Abstracts. 2nd Queensland Mass Spectrometry Symposium, Brisbane, QLD, Australia, (). 2-3 November 2017.

  • Preliminary investigation of chemical composition of Zinggiber cassumunar. Roxb in Kon Tum Province

    Hong Trieu, Hung, Netzel, Michael E., Netzel, Gabriele and O’Hare, Tim J. (2017). Preliminary investigation of chemical composition of Zinggiber cassumunar. Roxb in Kon Tum Province. In: Extraction efficiency and stability of anthocyanins using acidified extraction solvents and UHPLC-PDA-MS/MS, QIMR, (). 2 November 2017.

  • The Effect of Physiological Maturity on the Anthocyanin Profile of Purple Sweet Corn

    Hong, H., Netzel, M., Netzel, G. and O'Hare, T. J. (2017). The Effect of Physiological Maturity on the Anthocyanin Profile of Purple Sweet Corn. In: Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Qld, Australia, (119-119). 20-22 November 2017.

  • Impact of Zeaxanthin Concentration On its Bioaccessibility in Biofortified Sweet Corn

    Zeilmann, T., Fanning, K. J., Technische, Rychlik M., Netzel, M. E. and O'Hare, T. J. (2015). Impact of Zeaxanthin Concentration On its Bioaccessibility in Biofortified Sweet Corn. In: European Journal of Ophthalmology. , , (E59-E59). .

  • Benzyl isothiocyanate: maximising production in papaya tissue extracts

    Williams, D. J., Pun, S., Alotaibi, N., O’Hare, T. J. and Sultanbawa, Y. (2015). Benzyl isothiocyanate: maximising production in papaya tissue extracts. In: T. J. O’Hare and M. E. Netzel, Proceedings of the VI International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2014). International Horticultural Congress, Brisbane, QLD, Australia, (101-107). 17-22 August 2014. doi:10.17660/ActaHortic.2015.1106.16

  • Biofortification of vegetables for the developed world

    O'Hare, T. J. (2015). Biofortification of vegetables for the developed world. In: T. J. O'Hare, Olaf Van Kooten and Bhimanagouda Patil, XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): VI International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2014). XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014), Brisbane, Australia, (1-8). 17-22 August 2014. doi:10.17660/ActaHortic.2015.1106.1

  • Colour differentiation of high-lycopene tomato fruit through the addition of the colourless-epidermis (y) mutation

    O'Hare, T. J., McGrath, D. J., Dillon, N. L. and Walker, I. O. (2015). Colour differentiation of high-lycopene tomato fruit through the addition of the colourless-epidermis (y) mutation. In: T. J. O'Hare, O. van Kooten and B. Patil, XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): VI International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2014). XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014), Brisbane, Australia, (9-13). 17-22 August 2014. doi:10.17660/ActaHortic.2015.1106.2

  • Freezing induces reversible colour-change in both zeaxanthin-biofortified and yellow sweet-corn

    O'Hare, T. J., Calvo-Brenes, P., Fanning, K. and Pun, S. (2015). Freezing induces reversible colour-change in both zeaxanthin-biofortified and yellow sweet-corn. In: T. J. O'Hare and M. E. Netzel, XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): VI International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2014). XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014), Brisbane, QLD, Australia, (73-77). 17-22 August 2014. doi:10.17660/ActaHortic.2015.1106.12

  • The impact of lycopene and non-lycopene-containing tomato extracts on in vitro prostate cancer cell growth

    O'Donoghue, A., O'Hare, T. J., Zhang, B. and Fanning, K. (2015). The impact of lycopene and non-lycopene-containing tomato extracts on in vitro prostate cancer cell growth. In: XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): VI International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2014). XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014), Brisbane, Australia, (147-152). 17-22 August 2014. doi:10.17660/ActaHortic.2015.1106.23

  • Tweaking nature: Zeaxanthin and lutein concentration in sweet corn can be modified by genotype, physiologic maturity, and location on the cob

    Calvo, P., Fanning, K. J., Shelat, K. and O'Hare, T. J. (2015). Tweaking nature: Zeaxanthin and lutein concentration in sweet corn can be modified by genotype, physiologic maturity, and location on the cob. In: Macular Carotenoids Conference 2015, Cambridge, United Kingdom, (E59-E59). July 8-10, 2015. doi:10.5301/ejo.5000635

  • New strawberry breeding lines – enhanced phytochemical composition and bioaccessibility

    Zeilmann, Theresa, Netzel, Michael, Herrington, Mark, Rychlik, Michael, O'Hare, Tim and Fanning, Kent (2014). New strawberry breeding lines – enhanced phytochemical composition and bioaccessibility. In: Proceedings of the Nutrition Society of Australia 38th Annual Scientific Meeting. 38th Annual Scientific Meeting of the Nutrition Society of Australia, Hobart, TAS Australia, (45-45). 26 - 28 November 2014.

  • Sweetcorn colour change and consumer perception associated with increasing zeaxanthin for the amelioration of age-related macular degeneration

    O'Hare, T. J., Martin, I., Fanning, K. J., Kirchhoff, S., Wong, L. S., Keating, V., Pun, S. and Reid, C. (2014). Sweetcorn colour change and consumer perception associated with increasing zeaxanthin for the amelioration of age-related macular degeneration. In: B. Patil, O. van Kooten and M.J. AmiotCarlin, III International Symposium on Human Health Effects of Fruits and Vegetables (FAVHEALTH 2009), Avignon, France, (221-226). 18-21 October 2009. doi:10.17660/ActaHortic.2014.1040.28

  • Zeaxanthin-Biofortified Sweet-Corn as An Enhanced Dietary Source of Macular Pigment

    O'Hare, Tim J., Fanning, Kent, Martin, Ian, Pun, Sharon, Zeppa, Aldo and Fekybelu, Solomon (2013). Zeaxanthin-Biofortified Sweet-Corn as An Enhanced Dietary Source of Macular Pigment. In: Congress Abstracts. Macular Carotenoids Conference, Cambridge, England, (609-609). 10 - 12 July 2013. doi:10.5301/EJO.2013.11169

  • Carotenoids as potential indicators of food quality and nutrition

    Pun, Sharon, Paulo, Carl, Wong, Lung, Torrisi, Caterina, Poole, Sue, O'Hare, Tim, Martin, Ian and Fanning, Kent (2012). Carotenoids as potential indicators of food quality and nutrition. In: 12th Government Food Analysts Conference (GFAC), Brisbane, Australia, (). 22-24 February 2011.

  • Microbiological assay for folate content: limitations and improvements

    Houlihan, Avis, Pyke, Matthew, Graham, Glenn, Puwastien, Prapasri, Wasinee, Jongjitsin, Eaglesham, Geoffrey, O'Hare, Timothy, Wong, Lung and Scheelings, Pieter (2012). Microbiological assay for folate content: limitations and improvements. In: Glenn Graham, Michael Netzel, Trudy Graham, Mary Fletcher, Gloria Karagianis, Cindy Giles, Ujang Tinggi and Pieter Scheelings, Technology for Food Quality: Proceedings 12th Government Food Analysts Conference. 12th Government Food Analysts Conference, Brisbane, Australia, (19-30). 22-24 February 2011.

  • Oxidative stress: not such a bad thing for the anti-cancer properties of broccoli sprouts

    Williams, David, Pun, Sharon, O'Hare, Timothy and Christley, Christa (2012). Oxidative stress: not such a bad thing for the anti-cancer properties of broccoli sprouts. In: 12th Government Food Analysts Conference (GFAC), Brisbane, Australia, (). 22-24 February 2011.

  • Enhancing zeaxanthin concentration in sweetcorn for ameliorating age-related macular degeneration

    Fanning, K. J., Fekybelu, S., Holton, T., Innes, D., Keating, V., Martin, I., O'Hare, T. J., Pun, S., Wong, L. S. and Zeppa, A. (2010). Enhancing zeaxanthin concentration in sweetcorn for ameliorating age-related macular degeneration. In: Gordon Carotenoid Conference, Ventura Beach, California, (). 17-22 January 2010.

  • Glucosinolate composition and anti-cancer potential of daikon and radish sprouts

    O'Hare, Tim J., Wong, Lung S., Force, Lesleigh E., Williams, David J., Gurung, Chandra B. and Irving, Donald E. (2008). Glucosinolate composition and anti-cancer potential of daikon and radish sprouts. In: 27th International Horticultural Congress on Plants as Food and Medicine, Seoul, South Korea, (237-243). 13-19 August 2006.

  • Glucosinolate composition and anti-cancer potential of seed-sprouts from horticultural members of the Brassicaceae

    O'Hare, T. J., Wong, L. S., Force, L. E. and Irving, D. E. (2007). Glucosinolate composition and anti-cancer potential of seed-sprouts from horticultural members of the Brassicaceae. In: 1st International Symposium on Human Health Effects of Fruits and Vegetables, Quebec, Canada, (181-187). 17-20 August 2005. doi:10.17660/ActaHortic.2007.744.18

  • Asian and western horticultural species of the brassica family with anti-cancer potential

    O'Hare, T. J., Wong, L.S. and Irving, D. (2005). Asian and western horticultural species of the brassica family with anti-cancer potential. In: R. Drew, J. Janick, A. Biggs, K. Byung-Dong, A. Monteiro, R. Prange and M. Schenk, Proceedings of the International Symposium on Harnessing the Potential of Horticulture in the Asian-Pacific. Int. Symposium on Harnessing the Potential of Horticulture in the Asian-Pacific, Coolum, Australia, (457-462). 1-3 September, 2004.

  • Increasing visual appeal and health benefit of fresh-cut tomato slices using high-lycopene varieties

    O'Hare, T. J., Wong, L. S. and McGrath, D. J. (2005). Increasing visual appeal and health benefit of fresh-cut tomato slices using high-lycopene varieties. In: D. J. Tanner and Brian P. F. Day, Proceedings of the International Conference Postharvest Unlimited Downunder 2004. International Conference on Postharvest Unlimited Downunder 2004, Sydney Australia, (395-397). 09-12 November 2004.

  • Use of Carambola (Averrhoa carambola L. 'Fwang Tung') fruit at two stages of maturity for fresh-cut products

    Teixeira, G. H. A, Durigan, J. F., Alves, R. E. and O'Hare, T. J. (2005). Use of Carambola (Averrhoa carambola L. 'Fwang Tung') fruit at two stages of maturity for fresh-cut products. In: F. Mencarelli and P. Tonutti, Proceedings of the 5Th International Postharvest Symposium. 5th International Postharvest Symposium, Verona Italy, (1901-1907). 06-11 June 2004.

  • 1-methylcyclopropene delays softening in tomato slices

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). 1-methylcyclopropene delays softening in tomato slices. In: Australasian Postharvest Horticulture Conference Proceedings. Australasian Postharvest Horticulture Conference, Brisbane, Australia, (169-170). 1-3 October, 2003.

  • Changes in ascorbic acid and lycopene during storage of tomato slices

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). Changes in ascorbic acid and lycopene during storage of tomato slices. In: Food Safety, Quality Assurance and Environmental Sustainability, Emerging Challenges Confronting the Postharvest Sector.. Food Safety, Quality Assurance & Env. Sustainability, Nusa Dua, Bali, Indonesia, (114-115). 23-26 August, 2003.

  • Effect of an ethylene absorbent on quality of tomato slices.

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). Effect of an ethylene absorbent on quality of tomato slices.. In: Australasian Postharvest Horticulture Conference Proceedings. Australasian Postharvest Horticulture Conference, Brisbane, Australia, (252-253). 1-3 October, 2003.

  • Effect of fruit maturity and storage temperature on the postharvest physiology of fresh-cut tomato slices

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). Effect of fruit maturity and storage temperature on the postharvest physiology of fresh-cut tomato slices. In: Food Safety, Quality Assurance and Environmental Sustainability, Emerging Challenges Confronting the Postharvest Sector.. Food Safety, Quality Assurance & Env. Sustainability, Nusa Dua, Bali, Indonesia, (68-68). 23-26 August, 2003.

  • Exposure of tomator fruit to 1-MCP improves quality of stored slices

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). Exposure of tomator fruit to 1-MCP improves quality of stored slices. In: Australasian Postharvest Horticulture Conference Proceedings. Australasian Postharvest Horticulture Conference, Brisbane, Australia, (254-255). 1-3 October, 2003.

  • The effect of slicing on the C2H4 and CO2 production of tomato slices.

    Pangaribuan, D. H., Irving, D. and O'Hare, T. J. (2003). The effect of slicing on the C2H4 and CO2 production of tomato slices.. In: Food Safety, Quality Assurance and Environmental Sustainability, Emerging Challenges Confronting the Postharvest Sector.. Food Safety, Quality Assurance & Env. Sustainability, Nusa Dua, Bali, Indonesia, (114-114). 23-26 August, 2003.

  • Fresh cut tomato slices: Temperature and Maturity

    Pangaribuan, D. H., Porter, G. W., Irving, D. and O'Hare, T. J. (2002). Fresh cut tomato slices: Temperature and Maturity. In: Proceedings of The Australian Society of Horticultural Science. AUSHS Conference, The University of Sydney, Australia, (). 29 September to 2 October, 2002.

  • The Physiology of Fresh-cut Tomato Slices

    Pangaribuan, D. H., Porter, G. W., Irving, D. and O'Hare, T.J. (2002). The Physiology of Fresh-cut Tomato Slices. In: not yet available, Proceedings of The Australian Society of Horticultural Science. AuSHS Conference Sydney, Sydney, Australia, (). 29 September to 2 October, 2002.

  • The development of blackheart resistant pineapples through genetic engineering

    Graham, M., Ko, L., Hardy, V., Robinson, S., Sawyer, B., O'Hare, T., Jobin, M., Dahler, J., Underhill, S. and Smith, M. (2000). The development of blackheart resistant pineapples through genetic engineering. In: Subhadrabandhu, S and Chairidchai, P, Proceedings of the Third International Pineapple Symposium. 3rd International Pineapple Symposium, Pattaya Thailand, (133-136). 17-20 November 1998. doi:10.17660/ActaHortic.2000.529.15

Edited Outputs

Grants (Administered at UQ)

PhD and MPhil Supervision

Current Supervision

  • Identification of genetic variants in orange-pigmented capsicum and chillli of the Capsicum annuum, C. chinense, and C. baccatum species.

    Doctor Philosophy — Principal Advisor

    Other advisors:

  • Endogenous fatty acid desaturation of palmitic to palmitoleic acid in macadamia kernel tissue.

    Doctor Philosophy — Principal Advisor

    Other advisors:

  • Assessing the bioactivity of tomato extracts from varieties with unique carotenoid profiles on human in vitro prostate cancer cell lines

    Doctor Philosophy — Principal Advisor

    Other advisors:

  • Genetic factors affecting anthocyanin development in purple-pericarp sweetcorn

    Doctor Philosophy — Principal Advisor

    Other advisors:

  • Genetic and Agronomic Zinc Biofortification in Sweet-corn

    Doctor Philosophy — Associate Advisor

    Other advisors:

  • Determining the nutritional and wellness compounds that can be found in an Australian medicinal bush food plant

    Doctor Philosophy — Associate Advisor

    Other advisors:

  • Assessment of the nutritional quality of Australian grown Plumcot

    Doctor Philosophy — Associate Advisor

    Other advisors:

  • Evaluation of nutritional, genotypic and environmental factors affecting the yield and quality of garlic.

    Doctor Philosophy — Associate Advisor

    Other advisors:

  • Carotenoid bioavailability related to molecular organisation

    Doctor Philosophy — Associate Advisor

    Other advisors:

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ResearcherID: A-7715-2011

ORCID: 0000-0002-2875-1397

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