Physical Stability and HPLC Analysis of Indian Kudzu (Pueraria tuberosa Linn.) Fortified Milk

Table 1

Stability profile of milk samples.

Milk samples	Day 1 sample		Day 5 sample		Day 10 sample		Day 15 sample
	Precipitate	pH	Precipitate	pH	Precipitate	pH	Precipitate	pH
Milk + 0.5% EE (w/v)	Absent	6.50	Absent	6.53	Absent	6.55	Absent	6.58
Milk + 1.0% EE (w/v)	Absent	6.46	Absent	6.59	Absent	6.60	Absent	6.69
Milk + 0.4% HWE (w/v)	Absent	6.42	Absent	6.50	Absent	6.59	Absent	6.63
Milk + 0.7% HWE (w/v)	Absent	6.43	Absent	6.45	Absent	6.48	Absent	6.51
Milk + 1.0% HWE (w/v)	Absent	6.42	Absent	6.50	Absent	6.55	Absent	6.59
Milk + 0.01% puerarin (w/v)	Absent	6.52	Absent	6.60	Absent	6.64	Absent	6.68
Milk (control)	Absent	6.61	Absent	6.65	Absent	6.68	Absent	6.71

EE: ethanolic extract of P. tuberosa.
HWE: hot water extract of P. tuberosa.