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Starch storage granules ( appearing as globules ) from a quadruple-stained thin section of potato ( Solanum tuberosum ) tissue , also illustrating a portion of the mature tuber with periderm , cortex , and reduced vascular tissues , are presented in Figures 6 ( a ) and 6 ( b ) . Concentrates come in liquid or solid form , solids being either powders , crystals or granules . Do not crush or chew the granules . On the other hand , when a solid dispersion and granules were used , elution and predicted absorption were not affected by changes in pH of the flowing solution in a drug-dissolving vessel .