ALP	alkaline phosphatase
BMD	bone mineral density
BMP-2	bone morphogenetic protein 2
BSPII	bone sialoprotein II
CAII	carbonic anhydrase II
CTX-1	carboxy-terminal telopeptide of type 1 collagen
fsCH	Pangasius hypophthalmus fish skin collagen hydrolysate
GP	glycine–proline
GPH	glycine–proline–hydroxyproline
NTX-1	amino-terminal telopeptide of type 1 collagen
OPG	osteoprotegerin
OVX	ovariectomy
PICP	procollagen type 1 carboxy-terminal propeptide
PH	proline–hydroxyproline
PINP	procollagen type 1 amino-terminal propeptide
RANKL	receptor activator of nuclear factor kappa-Β ligand
TRAP	tartrate-resistant acid phosphatase
V-ATPase	vacuolar-type H(+)- ATPase