According to the Zhejiang Food Safety Standards Formulation Plan issued in July 20 19 and the Notice on Printing and Distributing the Zhejiang Food Safety Standards Formulation Plan (20 19-2023) issued by the US Food and Drug Administration of Zhejiang Province (Zhejiang Food Supervision Standard [2065438+09] No.21)

1. Name and classification: Qiandao Yinzhen tea is a kind of white tea, which belongs to pry green semi-fermented tea.

2. Physical indicators:

(1) Appearance: Qiandao Yinzhen tea should be golden in color, white in color, with obvious white velvet, even and tidy, and obviously silver.

(2) Soup color: Qiandao Yinzhen tea soup is golden and bright, with high transparency and clear and bright.

(3) Aroma: The aroma of Qiandao Yinzhen dry tea is fresh and elegant, and the brewed tea has pure aroma, rich floral and fruity fragrance.

3. Chemical indicators:

(1) moisture: the moisture content of Qiandao Yinzhen tea shall not exceed 7%.

(2) Soluble solids: the soluble solids of Qiandao Yinzhen tea are not less than 28%.

(3) Catechin: The catechin content of Qiandao Yinzhen tea is not less than 2.5%.

4. Microbial indicators:

(1) Total bacterial count: The total bacterial count of Qiandao Yinzhen tea shall not exceed 5×10 _ cfu/g.

(2) Coliform group: No coliform group was detected in Qiandao Yinzhen tea.

(3) Mycotoxin: the mycotoxin (M 1, M2) of Camellia qiandao should not exceed 0.5μg/kg.