"One or two orange peels and one or two gold, a hundred years of orange peel win gold", Xinhui tangerine peel "aged for a long time", the longer stored, the higher the value, and even comparable to gold. So how can we tell if the new tangerine peel is a low or high year?
Look at the appearance
The inner surface of the low-grade Xinhui tangerine peel is snow white or light yellow, the sponge is loose and obvious, and the circular oil spots are densely distributed; the outer surface is a pig's whisker pattern, and the color is bright red or dark red.
In high vintage, the inner capsule of Xinhui tangerine peels off naturally, and the inner and outer surfaces of the pig whiskers are obvious, the outer color is reddish black, and the inner surface is brownish red or even tan. But no matter how old, the Xinhui tangerine peel is clean and distinct, and the texture is clear.
Smell the smell
Xinhui tangerine peel volatile oil has many types, emitting a fragrant fragrance, and the aroma is unique, not single, is a compound aroma. We can judge which year of Xinhui tangerine peel it is by smelling the fragrance of Xinhui tangerine peel. The specific aromas of each vintage are as follows:
1-5 years of Xinhui tangerine belt stimulates the fragrance, fruity and sour taste;
5-10 years of Xinhui orange peel slightly citrus;
10-20 years of Xinhui tangerine peel citrus aroma basically disappeared, mellow aroma gradually thickened;
More than 20 years of scratching the surface can smell the mellow aroma;
Touch the feel
The low-grade Xinhui tangerine peel still contains a lot of fructose and water, so its skin is softer; while the high-grade Xinhui tangerine peel, the longer it ages, the harder it feels and the easier it is to break.
Observe the colors
The tea color of different years of Xinhui tangerine peel soaking water is somewhat different, the tea color of Xinhui tangerine peel in low years is bluish yellow (even cyan) after soaking water; the tea color of Xinhui tangerine peel in high years is yellowish red after soaking water, the color is amber, clear and transparent, and the smell is mellow.
Taste the taste
Because Xinhui tangerine peel is rich in volatile oils, polysaccharides and flavonoids, three active substances. With the passage of time, the small molecule volatile oil component will decrease, the large molecule volatile oil component will increase relatively, and the other limonin will be slowly oxidized by the air and reduced.
Therefore, the taste of the low-grade Xinhui tangerine peel is bitter, sour and astringent, and the bitter taste of the high-grade Xinhui tangerine peel will be relatively reduced, and its taste will become sweet, fragrant, mellow and aged.