Method for increasing contents of vitamins and carotene in mung bean sprout vegetables by means of UV-B (ultraviolet-B) radiation
A technology of carotene and mung bean sprouts is applied in the fields of botanical equipment and methods, horticultural methods, agricultural machinery and equipment, etc., and can solve problems such as being inferior to green vegetables.
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[0011] 1 Materials and methods
[0012] 1.1 Experimental design
[0013] Take mung bean seeds, wash them with tap water, soak them in the dark at 30°C for 4 hours, move the soaked mung beans into a DY801B bean sprout machine for germination, adjust the indoor temperature to 20°C and keep it constant, and count mung bean sprouts from the time of soaking After 60 hours, the mung bean sprouts were taken out from the DY801B bean sprout machine, divided into 5 groups, and irradiated with UV-B under dark conditions.
[0014] The UV-B lamp tube (40W) is hung vertically above the mung bean sprouts, and its radiation intensity is 20.5μW / cm measured with an ultraviolet radiation intensity meter 2 . The irradiation time (intensity) is 0h (0kJ / m 2 ), 0.5h (0.369kJ / m 2 ), 1h (0.738kJ / m 2 ), 1.5h (1.107kJ / m 2 ) and 2h (1.476kJ / m 2 ), where 0h(0kJ / m 2 ) group served as the control group.
[0015] 1.2 Determination of vitamin C content in mung bean sprouts
[0016] Determination of ...
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