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優(yōu)質(zhì)、次質(zhì)、劣質(zhì)醬油的區(qū)別

優(yōu)質(zhì)醬油、次質(zhì)醬油和劣質(zhì)醬油有什么區(qū)別呢?

1.優(yōu)質(zhì)醬油

優(yōu)質(zhì)醬油呈紅褐色或棕褐色,鮮艷有光澤,不發(fā)烏;具有醬香或酯香氣味,無目味;滋味鮮美、咸淡適口、味醇厚、柔和、稍甜,無苦、酸、澀等異味,無臭味;體態(tài)澄清,濃度適中,無沉淀,無渾濁,無霉花,無浮膜。取少量醬油置于碟子中,慢慢傾斜滴一滴醬油于玻璃杯中,有發(fā)黏的感覺,并會(huì)慢慢擴(kuò)散。

2.次質(zhì)醬油

次質(zhì)醬油呈暗黑色;醬香或醋香氣味淡,無鮮味,醇味淡薄,有苦澀味等;有沉淀,有渾濁。慢慢傾斜一滴醬油于玻璃杯中,很快擴(kuò)散或不易擴(kuò)散。

3.劣質(zhì)醬油

劣質(zhì)醬油色澤灰暗發(fā)烏、無光澤;無醬香味,有酸味、苦味,有霉味,渾濁,有沉淀,有雹花,有浮膜等。慢慢傾斜一滴醬油于玻璃杯中。全部滑落或過黏。

還可取醬油樣品少許,放入玻璃杯中,再加入等量的無水酒精,搖勻后立即觀察沉淀。如果樣品無任何明顯的沉淀析出,說明是三級(jí)品以下的樣品,即為不合格品。
來源:名希特產(chǎn)網(wǎng) 關(guān)注:
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