Freshness-preserving agent and freshness-preserving method for agricultural or gardening products
A technology of horticultural products and preservatives, which is applied in food ingredients as antimicrobial preservation, food preservation, application, etc. It can solve the problems of unsustainable fresh-keeping effect of agricultural/horticultural products, achieve excellent ethylene concentration, reduce ethylene concentration, high safety effect
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Embodiment 1
[0035] Put cinnamic acid (3g), a mixture of cinnamic acid (1g) and sodium bicarbonate (2g), and ferulic acid (2g) in each bottle of 150ml jars containing 20g of fresh apple pieces (variety: Mutsu). And sodium bicarbonate (1g), and as a comparison product, a mixture of fumaric acid (1g) and sodium bicarbonate (2g), all compounds were used one by one with "KIMWIPE" (the laboratory paper produced by Jujo-Kimberly Co., Ltd. trademark) package. The mouths of these jars were then sealed with "PARAFILM" (trade mark; product of American National Can Company). These bottles were left at 23°C for 1 day, 3 days and 6 days, and the ethylene concentration in each bottle was measured with a tube gas detector (manufactured by Gastec Corporation). The ethylene concentration in the bottle in which only "KIMWIPE" was sealed was also tested as a control, and it can be clearly seen that the antistaling agent of the present invention is effective for reducing the ethylene concentration in the atm...
Embodiment 2
[0037] In the big mouth bottle of 150ml that every bottle is equipped with 20g fresh apple piece (kind: Mutsu), put into the mixture (3g) of cinnamic acid and sodium bicarbonate successively (its mixing ratio is listed in Table 2) as preservative of the present invention, All the compounds were individually wrapped with "KIMWIPE" (trademark of laboratory paper produced by Jujo-Kimberly Co., Ltd.). The mouths of these jars are then sealed with "PARAFILM". The bottles were then left at 23°C for 1 day, 3 days and 6 days, and the ethylene concentration in each bottle was measured with a tube gas detector (manufactured by Gastec). Wherein only have " KIMWIPE " the ethylene concentration in the bottle that seals places is also detected as control object, can clearly see that when the mixing ratio of cinnamic acid and sodium bicarbonate is 1: 0.2~1: 0.5 (weight), The reduction effect of ethylene concentration is the most significant.
Embodiment 3
[0039] In the 150ml big mouth bottle that every bottle is equipped with 20g fresh apple block (kind: Mutsu), put into successively multiple parts (0.5~3g) antistaling agent [cinnamic acid: sodium bicarbonate=1: 2 (weight] of the present invention, All the compounds are wrapped one by one with "KIMWIPE" (trademark of laboratory paper produced by Jujo-Kimberly Co., Ltd.). The mouth of these jars is sealed with "PARAFILM". Then put the bottles at 23°C for 1 day and 3 days, detect the ethylene concentration in each bottle with a tube type gas detector (manufactured by Gastec).The ethylene concentration in the bottle where only "KIMWIPE" is sealed is also detected as a contrast, and it can be seen clearly Go out when adding 1.5g or more antistaling agent of the present invention in every 20g fresh apple, the antistaling agent of the present invention just can show the effect that particularly significant ethylene concentration reduces, although when the quantity of antistaling agent...
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