sun scald
1.The results showed it had little effect with using scald, microwave, chilled storage or citric acid, potassium sorbate and ethyl p hydroxybenzoate on manufacturing the fresh Areca catechu because the sensitive of fresh Areca catechu color,but It could choose that areca catechu had been dipping in the 0.3% specially effect green maintaining and keeping fresh agent for 24 hours, and vacuumize(-0.1?MPa)by protection of a seasoning(be low 30℃,avoid sun shine).
