Abstract
Five maize hybrids were used in this research: two yellow and one white dent, sweet hybrid, and yellow popcorn. Five brine recipes with acetic acid were examined, of which two with the addition of potassium sorbate. The brines with preservatives were stable for 16 months without colour changes of the liquid and corn cobs. The pH of brines ranged from 3.39 to 3.89. Canned hybrids ZP 366 and ZP 611k in brine without sugar, and with the addition of potassium sorbate and potassium metabisulfite marked as Number 5, showed the best sensory characteristics. The protein content determined in ZP 366 (9.56 %) and ZP 611k (10.23 %) did not vary significantly compared to whole-grain maize flour, while crude fibre content (7.67 and 6.88 %), and ash content (21.96 and 20.72 %) were significantly higher than in flour (crude fibre: 2.40; 2.64 %, ash:1.35; 1.48 %, respectively). This research will be continued in order to implement preliminary findings and new data on this subject.
Highlights
Maize (Zea mays L.) is the third most grown cereal crop in the world, after wheat and rice
The total 2021 world maize production estimated by the United States Department of Agriculture (USDA) will be 1,133.89 million metric tons, with Serbia producing around 8,000,000 metric tons and taking 16th place (World Agricultural Production.com, 2021)
Corn cobs were harvested in the phase when the silk was about 3 cm outside the protective leaf of the cob and in the phase when the silk was visible in the length of about 7-8 cm
Summary
Maize (Zea mays L.) is the third most grown cereal crop in the world, after wheat and rice. Maize is the predominant cereal crop in Serbia, accounting for approximately 56 % of the total cultivated area sown with cereals (Novković et al, 2020). Immature dehusked maize ears harvested before fertilization, within two to four days after white silk emergence is classified as baby corn. Unlike mature maize whose ears are too hard, baby corn represents the immature ears of normally grown maize and can be consumed as a vegetable (Singh et al, 2010; Pandey et al, 2000). Baby corn has been used as a vegetable in China and other parts of Asia for generations and has recently gained popularity worldwide. This eco-friendly food has great potential as a value-adding product. Ears of baby corn of light-yellow colour, regular row arrangement, 10 to 12 cm length and a diameter of 1.0 to 1.5 cm are most preferred (Muthukumar et al, 2005)
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