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kefir grain

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Definition of kefir grain

: a small mass resembling a tiny cauliflower, occurring in kefir, containing casein and other milk solids together with the yeasts and lactobacilli that cause the characteristic kefir fermentation, and serving as a starter to induce this fermentation when introduced into fresh milk

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“Kefir grain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kefir%20grain. Accessed 26 Feb. 2021.

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