The chinese toon leaf contains nitrate, which can be decreased by blanching it the boiling water.

香椿叶中含有亚硝盐，用沸水烫后，可降低其含量。

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Because oil noodles contain low levels of alkali add a little white vinegar to boiling water when blanching to reduce their alkali.

因油面含有少量的碱，汆烫时加入少许白醋，可降低碱味。

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In order to weeding out nitrite in Chinese toon, choose water blanching and accretion with ascorbic acid, lemon acid and tea multi-hydroxybenzene.

对香椿亚硝酸盐的除去方法进行了讨论，选择香椿漂烫和添加抗坏血酸、柠檬酸、茶多酚可以有效去除亚硝酸盐的含量。

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At this point, many cooks recommend blanching the goose in boiling water for a minute then letting it dry in the refrigerator for a day or two.

NPR: How to Cook Your Goose