Abstract
Brazilian green propolis extract (PP) and cinnamon oil (CM) as edible coatings can be used to maximize chilli shelf life due to their antifungal properties. Antifungal effects and quality control of 5 % PP, 0.1 % CM and the combination of PP and CM incorporated with 5 % gum arabic (GA) as base coating were investigated in vitro as well as in vivo. Coated chillies were stored in cold storage of 13 ± 2 °C (80–90 % relative humidity (RH)) for 28 days and 5 days at simulated marketing conditions (25 ± 2 °C, 60–70 % RH). Study revealed that PP and CM alone had fungicidal effect against Colletotrichum capsici, causal organisms of chilli anthracnose. However, combined treatment of PP and CM showed the most promising results against C. capsici with 100 % inhibition on mycelia growth and spore germination. In vivo studies revealed that combined treatment of PP and CM showed a significantly (p < 0.05) lower disease incidence (14 %) and severity score (1.5) after 33 days of storage, as well as a significant delay in the changes of weight loss, firmness, peel colour and soluble solids concentration compared with other treatments. It could be concluded that 5 % PP combined with 0.1 % CM incorporated with 5 % base coating of GA is an effective bio-fungicide for postharvest anthracnose control and retaining the quality of chilli.
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Abbreviations
- PP:
-
Brazilian green propolis extract
- CM:
-
Cinnamon oil
- GA:
-
Gum arabic
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We are grateful to the Ministry of Agriculture, Malaysia (MOA) for providing financial support under project grant No. 05-02-12-SF1003.
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Ali, A., Chow, W.L., Zahid, N. et al. Efficacy of Propolis and Cinnamon Oil Coating in Controlling Post-Harvest Anthracnose and Quality of Chilli (Capsicum annuum L.) during Cold Storage. Food Bioprocess Technol 7, 2742–2748 (2014). https://doi.org/10.1007/s11947-013-1237-y
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DOI: https://doi.org/10.1007/s11947-013-1237-y