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10 Year Aged Black Rice Vinegar – 1L


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Regular price £210.00
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Brown rice, malted brown rice

For allergens, see ingredients in bold

Energy 17 kcal (75 kJ), Fat 0.6g of which saturates <0.01g, Carbohydrate <0.1g of which sugars <0.1g, Protein <1g, Salt <0.01g

Aged in black earthenware jars, the acidity in this vinegar softens as the flavour deepens under the sun, wind and rain of Kagoshima Kinko bay. Kagoshima is blessed with high quality rice, clean spring water and a warm climate - the essential ingredients in making the perfect "Treasure Kashida" black vinegar. 

Hand brewed, fermented and aged by master artisans using a process that has not changed for 200 years, this long aged vinegar increases in flavour and mellows in acidity as it matures. The characteristic deep amber colour and enticing aroma are further characteristics that elicit high praise from top chefs throughout Japan and now worldwide. 

Sommeliers also appreciate the subtle yet complex aroma and flavours, so much so this vinegar is appearing on wine lists, as the desire for intriguing and unique drinks without alcohol increases.

Sample neat and then dilute with spring water as desired (1:10 is recommend). Add to dishes where the vinegar has an opportunity to be savoured, simple salads of one or two ingredients, soft fruit, steamed vegetable or in an exquisite pickle.

 Available in 1 Litre

Kurozu vinegar production at Kakuida Fukuyama Kurozu 

The fermentation and ageing techniques used to produce Kurozu black vinegar date from the Edo period, 7,000 years ago. Refined over centuries, the techniques used by Kakuida Fukuyama Kurozu are unchanged for the last 200 years. 

Steamed brown rice and soya beans are mixed with koji and spring water in 54 litre ceramic pots called Tsubo. Fukuyama-cho spring water is renowned for its quality and its unique properties are an integral part of the process of making black vinegar.

Acetic fermentation follows the yeast fermentation so alcohol, in this case sake, is turned into acetic acid.  The pots are stirred regularly with bamboo canes to improve oxygenation and control the bacterial reaction. Throughout the fermentation and ageing process, the head Kurozu craftsman, or “Brewmaster” will inspect each Tsubo using smell, taste, colour and viscosity to determine if the natural bacterial reaction is proceeding correctly.

The ceramic pots that hold the vinegar remain outdoors, where the vinegar is exposed to heat during the day and the cool sea breeze from Kagoshima Kinko Bay at night. These fluctuations are balanced by the size and shape of the clay pot, the result is ideal conditions for the bacteria to mature the vinegar.

The Vinegar slowly refines over time, this softens the acidic notes giving a rounder, milder taste. The sugar and amino acid content rise, and the colour darkens, during the ageing process. 

All vinegars made by Kakuida Fukuyama Kurozu are aged for a minimum of 3 years, they are produced without any additives, colourings or preservatives.

Health Promoting Properties of Cereal Vinegars

Panagiotis Kandylis, Argyro Bekatorou, Dimitra Dimitrellou, Iris Plioni and Kanella Giannopoulou

Luís Manuel Lopes Rodrigues da Silva, Academic Editor

Extracts from this paper: 

Vinegar has been used for its health promoting properties since antiquity. Nowadays, these properties are investigated, scientifically documented, and highlighted. The health benefits of vinegar have been associated with the presence of a variety of bioactive components such as acetic acid and other organic acids, phenolic compounds, amino acids, carotenoids, phytosterols, vitamins, minerals, and alkaloids, etc. These components are known to induce responses in the human body, such as antioxidant, antidiabetic, antimicrobial, antitumor, antiobesity, antihypertensive, and anti-inflammatory effects. 

To conclude, this literature review highlights that the inclusion of cereal vinegars in the diet (as dressing or acidifier) can contribute to the health status and integrate current therapies against various pathologies. However, as pointed out in a systematic review and meta-analysis [103], which acknowledges the health benefits of vinegars and proposes vinegar consumption as part of a healthy diet, the amount of vinegar used to establish its bioactive properties varies across studies and is relatively small. Therefore, special attention should be paid to the generalization of the outcomes of clinical studies [103]. In addition, considering that the available data are relatively limited, further research combined with epidemiologic and case studies are essential for the scientific substantiation of the health benefits of cereal vinegars, that may also allow specific health claims from vinegar manufacturers and better consumer understanding.

Links for reference: